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MTD Snowblower Parts 1985
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MTD Snowblower Parts 1985
  MTD 31550S (1985) Snowblower Parts
MTD Snowblower Replacement For Model 31550S (1985)

MTD Snowblower Replacement Parts For Model 31550S (1985)

We Sell Only Genuine MTD Parts

Questions & Answers for MTD 31550S (1985)

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Page B
Page A
MTD 31550S (1985) Snowblower Page A Diagram
 Fig #
A2
Use 914-0133
 $4.99

Part Number:714-0133

In Stock

In Stock

Note: 646f & 666g
 $4.99
In Stock
 $4.99
A4
Extension Spring
 $9.06

Part Number:932-0429A

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $9.06
In Stock
 $9.06
A5
Drive Clutch Idler Bracket Obsolete - Not Available
 $5.47

Part Number:05896A-0637

Discontinued

Discontinued
 $5.47
Discontinued
A6
Cap Screw, 3/8-24 X 1.25
 $4.99

Part Number:710-0191

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A7
Belt-v 3/8 X 29
 $49.62

Part Number:954-0256

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $49.62
Usually ships in 7 - 12 business days
 $49.62
A8
Hex Bolt 3/8-24 X 1.5
 $7.10

Part Number:710-0459A

In Stock

In Stock

Note: Special
 $7.10
In Stock
 $7.10
A9
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
A10
Spacer
 $11.05

Part Number:711-0396

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Units With Twin Cylinder Engines Only
 $11.05
Usually ships in 7 - 12 business days
 $11.05
A11
Bearing
 $24.15

Part Number:941-0155

In Stock

In Stock

Note: (Used in 703-1622 Pulley Assy)
 $24.15
In Stock
 $24.15
A12
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
A13
Flat Washer, .51 X 1.0 X .060
 $4.99

Part Number:736-0272

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A15
Screw-hex, Slf-tap
 $6.30

Part Number:710-0502A

In Stock

In Stock

Note: Used on Briggs and Stratton Engines Only
 $6.30
In Stock
 $6.30
A16
Shaft
 $3.99

Part Number:738-0497

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A17
Screw-hex Wash Sf
 $4.99

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.99
In Stock
 $4.99
A18
Axle Bracket Obsolete - Not Available
 $3.17

Part Number:05897

Discontinued

Discontinued
 $3.17
Discontinued
A19
Nut-hex Center
 $4.99

Part Number:912-0107

In Stock

In Stock

Note: 500 & 600 Series
 $4.99
In Stock
 $4.99
A20
Drive Pulley Support Brkt. Ass'y. Obsolete - Not Available
 $24.29

Part Number:05878

Discontinued

Discontinued
 $24.29
Discontinued
A21
Washer-bell
 $4.99

Part Number:936-0219

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Purchase Locally
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A22
Extension Spring
 $9.06

Part Number:932-0429A

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $9.06
In Stock
 $9.06
A23
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
A24
Hex Cap Screw 3/8-16 X 1.25
 $4.99

Part Number:710-0723

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A25
6.00" O.D. Drive Pulley Ass'y. Obsolete - Not Available
 $55.19

Part Number:05921

Discontinued

Discontinued

Note: Nla - (Incl. Ref. #11) - Incl. Ref. #11
 $55.19
Discontinued
A26
Nut-hex Center L-5
 $6.63

Part Number:712-0923

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Three Point Hitch Kit
 $6.63
Usually ships in 7 - 12 business days
 $6.63
A27
Washer-fl
 $6.71

Part Number:936-0116

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (180 & 181)
 $6.71
Usually ships in 7 - 12 business days
 $6.71
A28
Pulley
 $78.90

Part Number:756-0344

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440, 550 & 552)
 $78.90
Usually ships in 7 - 12 business days
 $78.90
A29
Shld. Bolt .625 Dia. X .170
 $9.22

Part Number:738-0281

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.22
Usually ships in 7 - 12 business days
 $9.22
A30
Brake Bracket Ass'y. Obsolete - Not Available
 $15.93

Part Number:784-5061

Discontinued

Discontinued

Note: Nla - (440, 550 & 552)
 $15.93
Discontinued
A31
Nut-hex Jam 3/18-1
 $4.99

Part Number:912-3008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models (614)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A32
Auger Clutch Idler Brkt. Obsolete - Not Available
 $4.99

Part Number:05895

Discontinued

Discontinued
 $4.99
Discontinued
A33
Link Asm-brake
 $3.99

Part Number:05870A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A34
Spacer-shld
 $9.75

Part Number:938-0347

In Stock

In Stock

Note: Incl. in 684-0419 Double Idler Bracket Assy
 $9.75
In Stock
 $9.75
A35
Idler Pulley 2 1/4 X 3/8 Fla
 $18.87

Part Number:34-005

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.87
Usually ships in 7 - 12 business days
 $18.87
A36
Belt-v 3/8 X 38 Sl
 $37.20

Part Number:954-0257

In Stock

In Stock

Note: (440, 550 & 552)
 $37.20
In Stock
 $37.20
A37
Screw-hex
 $3.99

Part Number:710-0756

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A38
Use 912-0116
 $4.99

Part Number:712-0116

In Stock

In Stock
 $4.99
In Stock
 $4.99
A39
Hex Bolt 3/8-24 X 1.5
 $7.10

Part Number:710-0459A

In Stock

In Stock

Note: Special
 $7.10
In Stock
 $7.10
A40
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
A41
Washer-flat
 $9.73

Part Number:736-0247

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440, 550 & 552)
 $9.73
Usually ships in 7 - 12 business days
 $9.73
A42
Pulley Obsolete - Not Available
 $85.92

Part Number:756-0421

Discontinued

Discontinued

Note: (440, 550 & 552)
 $85.92
Discontinued
A43
Screw-shld .498 Di
 $8.82

Part Number:738-0215A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440, 550 & 552)
 $8.82
Usually ships in 7 - 12 business days
 $8.82
A44
Screw-hex Special
 $4.99

Part Number:710-0888

In Stock

In Stock

Note: (Special)
 $4.99
In Stock
 $4.99
A45
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
A46
Shoulder Spacer
 $4.99

Part Number:748-0234

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.99
In Stock
 $4.99
A47
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
A48
Hex Hd. Screw 5/16-24 X 5/8
 $4.99

Part Number:710-0237

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Tightening Torque: 150-300 In. Lbs.
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A49
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
A50
Screw-hex Wash Sf
 $4.99

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.99
In Stock
 $4.99
A51
Washer-fl-.28 Id X
 $4.99

Part Number:736-0173

In Stock

In Stock

Note: Used With Manual Pto
 $4.99
In Stock
 $4.99
A52
Cover-belt
 $33.29

Part Number:731-0642

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $33.29
Usually ships in 7 - 12 business days
 $33.29
A54
Casing Clamp
 $9.75

Part Number:751B221535

In Stock

In Stock

Note: (B&s Ohv V-Twin)
 $9.75
In Stock
 $9.75
A55
Screw-hex Sems #10
 $6.50

Part Number:710-0899A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.50
Usually ships in 7 - 12 business days
 $6.50
A56
Screw-hex Wash Sf
 $4.99

Part Number:710-0623

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (the Chain Case Must Be Assembled to the Frame With a 3/4" Hex Bolt, Lock Washer, and Belleville Washer as Shown.)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A
Ignition Key Obsolete - Not Available
 $4.99

Part Number:33-089

Discontinued

Discontinued

Note: (Tech. Eng.)
 $4.99
Discontinued
Page B
MTD 31550S (1985) Snowblower Page B class=
 Fig #
B2
Bolt-carriage 5/16
 $3.99

Part Number:710-0276

In Stock

In Stock

Note: (W/Polymer Slide Shoes)
 $3.99
In Stock
 $3.99
B3
Bolt-carriage 5/16
 $3.99

Part Number:710-0260A

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $3.99
In Stock
 $3.99
B4
Chute Ass'y. Obsolete - Not Available
 $44.89

Part Number:05996

Discontinued

Discontinued
 $44.89
Discontinued
B5
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
B6
Washer-fl-.390 Id
 $5.84

Part Number:736-0234

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.84
Usually ships in 7 - 12 business days
 $5.84
B7
Hex Bushing .385" I. D Obsolete - Not Available
 $2.99

Part Number:741-0403

Discontinued

Discontinued
 $2.99
Discontinued
B8
Flat Washer
 $6.84

Part Number:736-0140

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.84
Usually ships in 7 - 12 business days
 $6.84
B9
Chute Crank Ass'y. Obsolete - Not Available
 $31.71

Part Number:05981

Discontinued

Discontinued
 $31.71
Discontinued
B10
Housing
 $9.80

Part Number:05931A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.80
Usually ships in 7 - 12 business days
 $9.80
B11
Brg-ball W/collar
 $30.20

Part Number:941-0310

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $30.20
Usually ships in 7 - 12 business days
 $30.20
B13
Pulley
 $78.90

Part Number:756-0344

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440, 550 & 552)
 $78.90
Usually ships in 7 - 12 business days
 $78.90
B14
Key-3/16 X 5/8
 $7.38

Part Number:914-0388

In Stock

In Stock
 $7.38
In Stock
 $7.38
B15
Bolt-axle
 $4.99

Part Number:938-0154A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B16
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
B17
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
B19
Housing-blower Mt
 $285.54

Part Number:784-5024-0638

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $285.54
Usually ships in 7 - 12 business days
 $285.54
B20
Bolt-carriage 3/8-
 $4.99

Part Number:710-0389

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order Number and
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B21
Slide Shoe
 $27.40

Part Number:784-5038B-0637

In Stock

In Stock

Note: 784-5038b-0637
 $27.40
In Stock
 $27.40
B22
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
B23
Nut-hex Jam 3/18-1
 $4.99

Part Number:912-3008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models (614)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B24
Plate-shave Powde Obsolete - Not Available
 $28.83

Part Number:05847-0637

Discontinued

Discontinued

Note: (550 & 552)
 $28.83
Discontinued
B25
Use 915-0114
 $9.49

Part Number:715-0114

In Stock

In Stock

Note: Purchase Locally
 $9.49
In Stock
 $9.49
B26
Fan Assy-blower
 $131.08

Part Number:05865A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $131.08
Usually ships in 7 - 12 business days
 $131.08
B27
Use 914-0126
 $4.99

Part Number:714-0126

In Stock

In Stock
 $4.99
In Stock
 $4.99
B28
Flange Bushing
 $4.99

Part Number:741-0493C

In Stock

In Stock
 $4.99
In Stock
 $4.99
B29
Nut-hex Ins
 $3.99

Part Number:712-0429

In Stock

In Stock

Note: (Code: N)
 $3.99
In Stock
 $3.99
B30
Axle-spiral 550-55
 $125.57

Part Number:738-0488A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (550 & 552)
 $125.57
Usually ships in 7 - 12 business days
 $125.57
B31
Flat Washer
 $4.99

Part Number:736-0188

In Stock

In Stock

Note: Add a Second Washer, Ref #11, if Needed, to Reduce Axle Play.
 $4.99
In Stock
 $4.99
B32
Bearing-flange
 $14.26

Part Number:941-0300

In Stock

In Stock

Note: 941-0300
 $14.26
In Stock
 $14.26
B33
Housing:bearing
 $23.04

Part Number:05845C-0637

In Stock

In Stock

Note: 05845c-0637
 $23.04
In Stock
 $23.04
B34
Screw-hex Wash Sf
 $3.99

Part Number:710-0600

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B35
Shear Bolt
 $3.99

Part Number:710-0890A

In Stock

In Stock

Note: the Augers Are Secured to the Spiral Shaft With Two Hex Bolts and Hex Lock Nuts. if You Hit a Foreign Object or Ice Jam, the Sno
 $3.99
In Stock
 $3.99
B36
24" & 26" Spiral Ass'y. L.H. Obsolete - Not Available
 $2.99

Part Number:05923

Discontinued

Discontinued

Note: Nla - (550 Thru 586)
 $2.99
Discontinued
B36A
24" & 26" Spiral Ass'y. R.H. Obsolete - Not Available
 $75.78

Part Number:05924

Discontinued

Discontinued

Note: Nla - (550 Thru 586)
 $75.78
Discontinued
B37
Ring-o
 $8.44

Part Number:921-0176

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.44
Usually ships in 7 - 12 business days
 $8.44
B38
Housing-lower
 $37.15

Part Number:917-0456

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $37.15
Usually ships in 7 - 12 business days
 $37.15
B39
Use 941-0293
 $10.29

Part Number:741-0293

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.29
Usually ships in 7 - 12 business days
 $10.29
B40
Gear-bevel Obsolete - Not Available
 $53.17

Part Number:717-0457B

Discontinued

Discontinued
 $53.17
Discontinued
B41
Use 912-0237
 $4.99

Part Number:712-0237

In Stock

In Stock
 $4.99
In Stock
 $4.99
B42
Use 936-0264
 $6.61

Part Number:736-0264

In Stock

In Stock

Note: (Model 017r Only)
 $6.61
In Stock
 $6.61
B43
Gear-pinion
 $21.21

Part Number:948-0237

In Stock

In Stock
 $21.21
In Stock
 $21.21
B44
Use 936-0287
 $4.99

Part Number:736-0287

In Stock

In Stock

Note: (586)
 $4.99
In Stock
 $4.99
B45
Bearing-flange .75
 $11.28

Part Number:748-0171

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $11.28
Usually ships in 7 - 12 business days
 $11.28
B46
Bearing-sleeve .75
 $5.90

Part Number:748-0106

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.90
Usually ships in 7 - 12 business days
 $5.90
B47
Axle-blower
 $70.32

Part Number:738-0546

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $70.32
Usually ships in 7 - 12 business days
 $70.32
B48
Bevel Gear Housing- Upper Half Obsolete - Not Available
 $37.15

Part Number:717-0455

Discontinued

Discontinued
 $37.15
Discontinued
B49
Self-tapping Screw, 1/4-20 X 1
 $6.84

Part Number:710-0788

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.84
Usually ships in 7 - 12 business days
 $6.84
B50
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock
 $4.99
In Stock
 $4.99
B51
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.99
In Stock
 $4.99
B52
Bolt-carriage 5/16
 $3.99

Part Number:710-0260A

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $3.99
In Stock
 $3.99
B53
Bolt-carriage 5/16
 $3.99

Part Number:710-0260A

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $3.99
In Stock
 $3.99
B54
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
B55
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock
 $4.99
In Stock
 $4.99
B57
Knob-star 5/16-18
 $6.64

Part Number:720-04072A

In Stock

In Stock

Note: Use With Carriage Bolt, 5/16-18 X .875
 $6.64
In Stock
 $6.64
B58
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.99
In Stock
 $4.99
B59
Nut-hex Center
 $3.99

Part Number:912-0158

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $3.99
In Stock
 $3.99
B60
Flat Washer .50 Id X 1.25 Od
 $4.99

Part Number:736-0179

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B61
Nut-hex Center
 $4.99

Part Number:912-0107

In Stock

In Stock

Note: 500 & 600 Series
 $4.99
In Stock
 $4.99
B62
Chute Flange Keeper Ass'y. Obsolete - Not Available
 $4.99

Part Number:05783

Discontinued

Discontinued
 $4.99
Discontinued
B63
Washer-fl
 $6.71

Part Number:936-0116

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (180 & 181)
 $6.71
Usually ships in 7 - 12 business days
 $6.71
B64
Nut-hex Center L-5
 $6.63

Part Number:712-0923

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Three Point Hitch Kit
 $6.63
Usually ships in 7 - 12 business days
 $6.63
B65
Fl-wash. .344 I.d. X 1.125
 $3.99

Part Number:736-0231

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B
Gear Case Obsolete - Not Available
 $152.03

Part Number:717-0454

Discontinued

Discontinued
 $152.03
Discontinued
Page C
MTD 31550S (1985) Snowblower Page C class=
 Fig #
C2
Spacer
 $22.96

Part Number:750-0499

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Model 038-Used on Rear Engine Riders Only.
 $22.96
Usually ships in 7 - 12 business days
 $22.96
C4
Key-hi-pro #4-3/32 Obsolete - Not Available
 $3.52

Part Number:914-0129

Discontinued

Discontinued

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $3.52
Discontinued
C5
Wheel Assy-frictio
 $36.13

Part Number:05080AP

In Stock

In Stock
 $36.13
In Stock
 $36.13
C6
Shaft-hex
 $54.93

Part Number:738-0496

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $54.93
Usually ships in 7 - 12 business days
 $54.93
C7
Friction Wheel Mounting 0 0 Plate Ass'y. Obsolete - Not Available
 $25.37

Part Number:05883

Discontinued

Discontinued
 $25.37
Discontinued
C8
Snap Ring 1.0 Dia
 $4.99

Part Number:716-0102

In Stock

In Stock
 $4.99
In Stock
 $4.99
C9
Use 936-0163
 $4.99

Part Number:736-0163

In Stock

In Stock
 $4.99
In Stock
 $4.99
C10
Sliding Bracket Ass'y. Obsolete - Not Available
 $74.02

Part Number:05880

Discontinued

Discontinued
 $74.02
Discontinued
C12
#41 Chain 1/2" Pitch X 35 Links Obsolete - Not Available
 $19.59

Part Number:913-0285

Discontinued

Discontinued
 $19.59
Discontinued
C13
#41 Master Link 1/
 $7.52

Part Number:913-0723

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (440 & 450)
 $7.52
Usually ships in 7 - 12 business days
 $7.52
C14
Sprocket Assy- Obsolete - Not Available
 $92.12

Part Number:713-0281

Discontinued

Discontinued
 $92.12
Discontinued
C15
Bearing-flange
 $7.16

Part Number:941-0225

In Stock

In Stock

Note: (802, 807, 812, 817, 822 & 827)
 $7.16
In Stock
 $7.16
C16
Washer-fl
 $6.96

Part Number:736-0290

In Stock

In Stock

Note: (Not Shown)
 $6.96
In Stock
 $6.96
C17
Screw-hex 5/16-18
 $4.99

Part Number:710-0538

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
Usually ships in 7 - 12 business days
 $4.99
C18
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
C20
Bearing-flange W/f
 $12.68

Part Number:941-0490

In Stock

In Stock
 $12.68
In Stock
 $12.68
C21
Fl-wash. .344 I.d. X 1.125
 $3.99

Part Number:736-0231

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
C25
Nut-hex Jam 3/18-1
 $4.99

Part Number:912-3008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models (614)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
C26
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
C27
Bracket-linkage
 $6.51

Part Number:05898A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.51
Usually ships in 7 - 12 business days
 $6.51
C29
Shld. Bolt .625 Dia. X .170
 $9.22

Part Number:738-0281

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.22
Usually ships in 7 - 12 business days
 $9.22
C30
Adjustment Ferrule Obsolete - Not Available
 $7.53

Part Number:711-0628A

Discontinued

Discontinued
 $7.53
Discontinued
C31
Shifting Rod 5/16" X 32.50" Lg. Obsolete - Not Available
 $13.90

Part Number:747-0356A

Discontinued

Discontinued
 $13.90
Discontinued
C32
Use 936-0264
 $6.61

Part Number:736-0264

In Stock

In Stock

Note: (Model 017r Only)
 $6.61
In Stock
 $6.61
C33
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
C34
Snap Ring Obsolete - Not Available
 $4.99

Part Number:716-0397

Discontinued

Discontinued
 $4.99
Discontinued
C35
Sprocket 7 Teeth X .50" Pitch Obsolete - Not Available
 $16.29

Part Number:713-0280

Discontinued

Discontinued
 $16.29
Discontinued
C36
Shaft
 $3.99

Part Number:738-0497

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
C37
32 Teeth Wheel Axle Ass'y. Obsolete - Not Available
 $48.27

Part Number:713-0323

Discontinued

Discontinued
 $48.27
Discontinued
C38
Screw-hex Wash Sf
 $3.99

Part Number:710-0600

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $3.99
Usually ships in 7 - 12 business days
 $3.99
C39
#420 Chain
 $51.18

Part Number:913-0287

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (550 & 586)
 $51.18
Usually ships in 7 - 12 business days
 $51.18
C40
#420 Master Link 1 Obsolete - Not Available
 $3.06

Part Number:913-0154

Discontinued

Discontinued

Note: (550 & 586)
 $3.06
Discontinued
C41
Sprocket-center #4
 $8.14

Part Number:748-0204

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.14
Usually ships in 7 - 12 business days
 $8.14
C42
Washer-lock 5/16
 $4.99

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
C43
Bearing-king Pin
 $7.48

Part Number:931-0374

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Plastic)
 $7.48
Usually ships in 7 - 12 business days
 $7.48
C44
Bearing-flange .63 Obsolete - Not Available
 $7.51

Part Number:748-0184

Discontinued

Discontinued
 $7.51
Discontinued
C45
Flat Washer
 $4.99

Part Number:736-0188

In Stock

In Stock

Note: Add a Second Washer, Ref #11, if Needed, to Reduce Axle Play.
 $4.99
In Stock
 $4.99
C46
Wheel Assy W/tire-
 $78.29

Part Number:734-1253-0911

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Nla - (550)
 $78.29
Usually ships in 7 - 12 business days
 $78.29
C46A
Wheel Rim Only Obsolete - Not Available
 $32.01

Part Number:734-1118

Discontinued

Discontinued
 $32.01
Discontinued
C47
Valve-tubeless Air
 $4.99

Part Number:934-0255

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h
 $4.99
In Stock
 $4.99
C48
Pin-klik
 $6.20

Part Number:714-0143A

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h
 $6.20
In Stock
 $6.20
C49
Use 916-0101
 $3.99

Part Number:716-0101

In Stock

In Stock
 $3.99
In Stock
 $3.99
C50
Nut-hex Ins L-1/2-
 $4.99

Part Number:712-0200A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
Usually ships in 7 - 12 business days
 $4.99
C51
Flat Washer .50 Id X 1.25 Od
 $4.99

Part Number:736-0179

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
C52
Bell Washer
 $3.99

Part Number:736-0253

In Stock

In Stock
 $3.99
In Stock
 $3.99
C53
Bearing-sleeve
 $7.58

Part Number:941-0401

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h
 $7.58
In Stock
 $7.58
Page D
MTD 31550S (1985) Snowblower Page D class=
 Fig #
D1
Clutch Grip Ass'y. R.H. Obsolete - Not Available
 $18.45

Part Number:05988

Discontinued

Discontinued
 $18.45
Discontinued
D2
Grip-hand Blk
 $14.30

Part Number:720-04083

In Stock

In Stock
 $14.30
In Stock
 $14.30
D3
Cable-lockout
 $39.26

Part Number:946-0367

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $39.26
Usually ships in 7 - 12 business days
 $39.26
D4
Bearing-flange Obsolete - Not Available
 $4.99

Part Number:941-0402

Discontinued

Discontinued

Note: Code N
 $4.99
Discontinued
D5
Control-throttle
 $22.26

Part Number:831-0796A

In Stock

In Stock

Note: For Model 587b
 $22.26
In Stock
 $22.26
D6
Plastic Plug Obsolete - Not Available
 $2.99

Part Number:731-0496

Discontinued

Discontinued
 $2.99
Discontinued
D7
Bolt-5/16-18 X 2.0
 $4.99

Part Number:710-3103

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.99
In Stock
 $4.99
D8
Use 914-0111
 $4.99

Part Number:714-0111

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally Order by Part Numb
 $4.99
Usually ships in 7 - 12 business days
 $4.99
D9
Clutch Grip Ass'y. L.H. Obsolete - Not Available
 $2.99

Part Number:05987

Discontinued

Discontinued
 $2.99
Discontinued
D10
Screw-shld .374 Di
 $10.03

Part Number:938-0560

In Stock

In Stock

Note: Code N
 $10.03
In Stock
 $10.03
D11
Upper Handle-L.H. (Painted) Obsolete - Not Available
 $29.47

Part Number:749-0595

Discontinued

Discontinued
 $29.47
Discontinued
D12
Knob-star 5/16-18
 $6.64

Part Number:720-04072A

In Stock

In Stock

Note: Use With Carriage Bolt, 5/16-18 X .875
 $6.64
In Stock
 $6.64
D13
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.99
In Stock
 $4.99
D14
Use 926-0100
 $4.99

Part Number:726-0100

In Stock

In Stock

Note: Code: N
 $4.99
In Stock
 $4.99
D15
Knob W/38 Hole-blk
 $15.18

Part Number:920-0171

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.18
Usually ships in 7 - 12 business days
 $15.18
D16
Flat Washer
 $6.84

Part Number:736-0140

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.84
Usually ships in 7 - 12 business days
 $6.84
D17
Bolt-eye
 $6.37

Part Number:747-0416A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.37
Usually ships in 7 - 12 business days
 $6.37
D18
Chute Crank Ass'y. Obsolete - Not Available
 $31.71

Part Number:05981

Discontinued

Discontinued
 $31.71
Discontinued
D19
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock
 $4.99
In Stock
 $4.99
D20
Cable-control
 $23.88

Part Number:946-0502

In Stock

In Stock

Note: (Wire Assembled in Lower Hole)
 $23.88
In Stock
 $23.88
D21
Bushing-.380 Id
 $4.99

Part Number:941-0475

In Stock

In Stock

Note: Model 623 and 633 Only.
 $4.99
In Stock
 $4.99
D23
Lower Handle-L.H. (Chrome) Obsolete - Not Available
 $12.63

Part Number:749-0343

Discontinued

Discontinued
 $12.63
Discontinued
D24
Spring
 $25.78

Part Number:732-0184

In Stock

In Stock
 $25.78
In Stock
 $25.78
D25
Hex Lock Nut 1/4-20
 $3.99

Part Number:712-0324

In Stock

In Stock

Note: Part of Motor, Switch & Cord Ass\\\\\\\'y. Comp. (Ref. 49)
 $3.99
In Stock
 $3.99
D26
Bracket-linkage
 $6.51

Part Number:05898A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.51
Usually ships in 7 - 12 business days
 $6.51
D27
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
D28
Screw-3/8-16 X 2.0
 $4.99

Part Number:710-3144

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
D29
Screw-hex Wash Sf
 $4.99

Part Number:710-0623

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (the Chain Case Must Be Assembled to the Frame With a 3/4" Hex Bolt, Lock Washer, and Belleville Washer as Shown.)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
D30
Cover-frame P Obsolete - Not Available
 $15.52

Part Number:05899-0637

Discontinued

Discontinued
 $15.52
Discontinued
D31
Screw-hex Wash Sf
 $4.99

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.99
In Stock
 $4.99
D32
Spring-extension
 $9.91

Part Number:932-0320

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.91
Usually ships in 7 - 12 business days
 $9.91
D33
Nut-hex Jam 3/18-1
 $4.99

Part Number:912-3008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models (614)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
D34
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
D35
Auger Clutch Bracket Ass'Y. Obsolete - Not Available
 $16.34

Part Number:784-5050

Discontinued

Discontinued
 $16.34
Discontinued
D36
Shld. Bolt .625 Dia. X .170
 $9.22

Part Number:738-0281

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.22
Usually ships in 7 - 12 business days
 $9.22
D37
Spring-idler Extn
 $14.57

Part Number:932-0121

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.57
Usually ships in 7 - 12 business days
 $14.57
D38
Drive Pulley Support Brkt. Ass'y. Obsolete - Not Available
 $24.29

Part Number:05878

Discontinued

Discontinued
 $24.29
Discontinued
D39
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
D40
Drive Clutch Bracket Obsolete - Not Available
 $4.99

Part Number:05501

Discontinued

Discontinued
 $4.99
Discontinued
D41
Drive Clutch Rod Obsolete - Not Available
 $8.39

Part Number:10080

Discontinued

Discontinued
 $8.39
Discontinued
D42
Lower Handle-R.H. (Chrome) Obsolete - Not Available
 $38.36

Part Number:749-0344

Discontinued

Discontinued
 $38.36
Discontinued
D43
Nut-shld Obsolete - Not Available
 $9.05

Part Number:938-0561

Discontinued

Discontinued
 $9.05
Discontinued
D45
Shift Handle Ass'y. Obsolete - Not Available
 $23.24

Part Number:05805A

Discontinued

Discontinued
 $23.24
Discontinued
D46
Use 912-0116
 $4.99

Part Number:712-0116

In Stock

In Stock
 $4.99
In Stock
 $4.99
D47
Compression Spring
 $4.99

Part Number:732-0193

In Stock

In Stock
 $4.99
In Stock
 $4.99
D48
Washer, .401 X .870 X .063
 $4.99

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.99
In Stock
 $4.99
D49
Pin-cotter-3/32 Di
 $4.99

Part Number:914-0507

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.99
In Stock
 $4.99
D50
Handle Panel Ass'y. Obsolete - Not Available
 $58.06

Part Number:784-5006

Discontinued

Discontinued
 $58.06
Discontinued
D51
Upper Handle-R.H. (Painted) Obsolete - Not Available
 $27.22

Part Number:749-0596-0637

Discontinued

Discontinued
 $27.22
Discontinued
D52
Washer-bell
 $4.99

Part Number:936-0219

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Purchase Locally
 $4.99
Usually ships in 7 - 12 business days
 $4.99
D54
Bolt-carriage 5/16
 $4.99

Part Number:710-0572

In Stock

In Stock

Note: Models W/Folding Handles
 $4.99
In Stock
 $4.99
D55
Cable - Auger Chut
 $43.93

Part Number:946-0435

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $43.93
Usually ships in 7 - 12 business days
 $43.93
D56
Ferrule-adj
 $13.71

Part Number:711-0736

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Code N
 $13.71
Usually ships in 7 - 12 business days
 $13.71
D57
Use 936-0264
 $6.61

Part Number:736-0264

In Stock

In Stock

Note: (Model 017r Only)
 $6.61
In Stock
 $6.61
 Fig #
Snowblower Parts

Repair Guides for MTD Snowblower 31550S (1985)

How to Test a Small Engine for Spark

If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

This video will help you troubleshoot your fuel-line replacement repairs.

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

Quick Fix: How to Clean a Spark Arrestor Screen on a Small 2-Cycle Engine

This repair video will instruct you how to repair a dirty or damaged spark arrestor on your small engine.

Questions & Answers for 31550S (1985)

No questions have been asked yet
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