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  MTD 31A-3CAD729 (2007) Snowthrower Parts
MTD Snowthrower Replacement For Model 31A-3CAD729 (2007)

MTD Snowthrower Replacement Parts For Model 31A-3CAD729 (2007)

We Sell Only Genuine MTD Parts

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Popular Parts for MTD 31A-3CAD729 (2007)

Questions & Answers for MTD 31A-3CAD729 (2007)

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Auger_And_Discharge_Chute
Handle_Frame_And_Drive_System
Quick_Reference_3Cad
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Auger_And_Discharge_Chute
MTD 31A-3CAD729 (2007) Snowthrower Auger_And_Discharge_Chute Diagram
 Fig #
1
Chute
 $79.55

Part Number:984-04037

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $79.55
Usually ships in 7 - 12 business days
 $79.55
2
Bolt-carriage 5/
 $4.99

Part Number:710-04071

In Stock

In Stock
 $4.99
In Stock
 $4.99
3
Carriage Bolt
 $3.99

Part Number:710-0451

In Stock

In Stock

Note: (W/Steel Slide Shoes)
 $3.99
In Stock
 $3.99
4
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
5
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
A-
Knob - Yellow Obsolete - Not Available
 $8.52

Part Number:720-04032

Discontinued

Discontinued
 $8.52
Discontinued
6
Chute Handle
 $25.99

Part Number:731-04388A

In Stock

In Stock
 $25.99
In Stock
 $25.99
7
Upper Chute
 $18.64

Part Number:731-04426C

In Stock

In Stock

Note: 616e
 $18.64
In Stock
 $18.64
8
Washer-fl-.4
 $4.99

Part Number:736-0267

In Stock

In Stock
 $4.99
In Stock
 $4.99
9
Lower Chute
 $30.22

Part Number:931-04127

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $30.22
Usually ships in 7 - 12 business days
 $30.22
10
Ring-chute Lwr
 $18.14

Part Number:931-04353

In Stock

In Stock

Note: (Not Shown)
 $18.14
In Stock
 $18.14
11
Adapter-chute
 $20.35

Part Number:931-2636A

In Stock

In Stock

Note: (Not Shown)
 $20.35
In Stock
 $20.35
12
Spring-chute Adj
 $4.99

Part Number:932-04111

In Stock

In Stock

Note: (Not Shown)
 $4.99
In Stock
 $4.99
13
Nut-flglk
 $3.99

Part Number:712-04064

In Stock

In Stock

Note: Models Without Clutch Lock
 $3.99
In Stock
 $3.99
14
Chute Clean-out Tool
 $18.67

Part Number:931-2643

In Stock

In Stock

Note: (Not Shown)
 $18.67
In Stock
 $18.67
15
Mount, Chute Clean-out Tool
 $10.74

Part Number:731-11421

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.74
Usually ships in 7 - 12 business days
 $10.74
16
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
17
Carriage Bolt 1/4-20 Lg.
 $3.99

Part Number:710-0134

In Stock

In Stock

Note: If Equipped
 $3.99
In Stock
 $3.99
18
Screw-hex 3/8-16 X
 $4.99

Part Number:710-0520

In Stock

In Stock

Note: Attaching the Chute Crank Support Tube.
 $4.99
In Stock
 $4.99
19
Screw
 $3.99

Part Number:710-04484

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
20
Nut-flglk 5/16-18
 $3.99

Part Number:712-04063

In Stock

In Stock

Note: Use With 618-04378a Transmission, Double "D" Input Shaft
 $3.99
In Stock
 $3.99
21
Nut-flange Lk.nylo
 $3.99

Part Number:712-04065

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
22
Spacer-shoulder .3
 $6.71

Part Number:750-04852

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.71
Usually ships in 7 - 12 business days
 $6.71
23
Pin-spiral Spring
 $11.61

Part Number:715-04020

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Models With Single Speed
 $11.61
Usually ships in 7 - 12 business days
 $11.61
24
Use 926-04012
 $6.77

Part Number:726-04012

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Not Shown)
 $6.77
Usually ships in 7 - 12 business days
 $6.77
25
Impeller:9.4860 Dia
 $79.64

Part Number:731-04218B

In Stock

In Stock
 $79.64
In Stock
 $79.64
26
Spring-extension
 $7.56

Part Number:932-0611

In Stock

In Stock
 $7.56
In Stock
 $7.56
27
Wave Washer
 $6.55

Part Number:736-0174

In Stock

In Stock
 $6.55
In Stock
 $6.55
28
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
29
Bearing:flange
 $9.91

Part Number:941-0245

In Stock

In Stock
 $9.91
In Stock
 $9.91
30
Bearing W/out Coll
 $76.06

Part Number:941-0309

In Stock

In Stock
 $76.06
In Stock
 $76.06
31
Spacer
 $5.87

Part Number:950-04191

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.87
Usually ships in 7 - 12 business days
 $5.87
32
Ball Bearing
 $22.21

Part Number:941-0919B

In Stock

In Stock
 $22.21
In Stock
 $22.21
33
Bracket-auger Idle
 $18.50

Part Number:784-0434C-0637

In Stock

In Stock
 $18.50
In Stock
 $18.50
34
Bearing Housing, 1.85 Id
 $6.25

Part Number:790-00075B

In Stock

In Stock
 $6.25
In Stock
 $6.25
35
Gearbox Asm-22 Au
 $259.19

Part Number:918-04292C

In Stock

In Stock

Note: (See Separate Breakdown)
 $259.19
In Stock
 $259.19
36
Auger Asm-lh
 $68.21

Part Number:684-04113A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $68.21
Usually ships in 7 - 12 business days
 $68.21
37
Auger Asm-rh
 $68.21

Part Number:684-04114A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $68.21
Usually ships in 7 - 12 business days
 $68.21
38
Housing Asm-auger
 $216.32

Part Number:684-04166A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $216.32
Usually ships in 7 - 12 business days
 $216.32
39
Pin-bow Tie Cotter
 $3.99

Part Number:714-04040

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
40
Spacer 1.25od X
 $4.99

Part Number:731-04870

In Stock

In Stock

Note: Need Two Between Spirals
 $4.99
In Stock
 $4.99
41
Use 936-0351
 $4.99

Part Number:736-0351

In Stock

In Stock

Note: (Not Shown)
 $4.99
In Stock
 $4.99
42
Pin-shear .25
 $3.99

Part Number:738-04124A

In Stock

In Stock
 $3.99
In Stock
 $3.99
43
Flange Bushing
 $4.99

Part Number:741-0493C

In Stock

In Stock
 $4.99
In Stock
 $4.99
44
Housing:bearing:1
 $22.24

Part Number:790-00087A-0637

In Stock

In Stock
 $22.24
In Stock
 $22.24
45
Plate-shave 22
 $26.40

Part Number:790-00117

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $26.40
Usually ships in 7 - 12 business days
 $26.40
46
Shoe-slide
 $23.05

Part Number:784-5580-0637

In Stock

In Stock

Note: *Choose Color When Ordering*
 $23.05
In Stock
 $23.05
47
Screw-5/16-18 Tt
 $7.08

Part Number:710-04606A

In Stock

In Stock
 $7.08
In Stock
 $7.08
Handle_Frame_And_Drive_System
MTD 31A-3CAD729 (2007) Snowthrower Handle_Frame_And_Drive_System class=
 Fig #
1
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
2
Screw-oval C-sunk
 $4.99

Part Number:710-0605

In Stock

In Stock

Note: For Models 148 and 149
 $4.99
In Stock
 $4.99
3
Screw
 $3.99

Part Number:710-04484

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
4
Nut-flglk
 $3.99

Part Number:712-04064

In Stock

In Stock

Note: Models Without Clutch Lock
 $3.99
In Stock
 $3.99
5
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
6
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
7
Clutch Cable
 $56.76

Part Number:946-04256

In Stock

In Stock
 $56.76
In Stock
 $56.76
8
Cable:clutch Auger
 $39.28

Part Number:946-04236

In Stock

In Stock
 $39.28
In Stock
 $39.28
8
Fitting-dual Cable
 $10.74

Part Number:731-04216A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.74
Usually ships in 7 - 12 business days
 $10.74
9
Bail
 $12.90

Part Number:747-1161A-0637

In Stock

In Stock

Note: *Choose Color When Ordering*
 $12.90
In Stock
 $12.90
10
Bail-drive
 $22.06

Part Number:747-1214

In Stock

In Stock
 $22.06
In Stock
 $22.06
11
Handle
 $58.71

Part Number:749-04147B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $58.71
Usually ships in 7 - 12 business days
 $58.71
12
Upper Handle
 $47.23

Part Number:749-1092A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $47.23
Usually ships in 7 - 12 business days
 $47.23
13
Tab-handle
 $7.08

Part Number:990-00053

In Stock

In Stock
 $7.08
In Stock
 $7.08
14
Trans Asm-snow
 $269.64

Part Number:918-04296B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (See Separate Breakdown)
 $269.64
Usually ships in 7 - 12 business days
 $269.64
15
Self-tapping Screw, 1/4-20 X 1
 $6.97

Part Number:710-0809

In Stock

In Stock

Note: (Not Shown)
 $6.97
In Stock
 $6.97
16
Tt Screw 1/4-14 X .625
 $4.99

Part Number:710-1652

In Stock

In Stock

Note: If Equipped
 $4.99
In Stock
 $4.99
17
Clevis Pin, 1/4 X 1.3725
 $8.21

Part Number:711-1364

In Stock

In Stock
 $8.21
In Stock
 $8.21
18
Cotter Pin 1/8" Dia.
 $3.99

Part Number:714-0115

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
19
Pin-bow Tie Cotter
 $3.99

Part Number:714-04040

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
20
Pin-spring Roll 5/
 $6.49

Part Number:915-0249

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Model 685 Only.
 $6.49
Usually ships in 7 - 12 business days
 $6.49
21
Pinion:14t
 $22.94

Part Number:717-04066A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $22.94
Usually ships in 7 - 12 business days
 $22.94
22
Gear:70 Tooth
 $58.93

Part Number:917-04073A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $58.93
Usually ships in 7 - 12 business days
 $58.93
23
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
24
Washer-fl-.531 Id
 $4.99

Part Number:936-0192

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Models 587b, 596 and 598.
 $4.99
Usually ships in 7 - 12 business days
 $4.99
25
Screw:shoulder
 $6.55

Part Number:738-04184A

In Stock

In Stock
 $6.55
In Stock
 $6.55
26
Shoulder Screw
 $6.55

Part Number:738-0924A

In Stock

In Stock
 $6.55
In Stock
 $6.55
27
Bearing:flange
 $9.91

Part Number:941-0245

In Stock

In Stock
 $9.91
In Stock
 $9.91
28
Bearing-hex Flange
 $5.75

Part Number:741-04108

In Stock

In Stock
 $5.75
In Stock
 $5.75
29
Cable Guide
 $9.31

Part Number:756-0625

In Stock

In Stock
 $9.31
In Stock
 $9.31
30
Housing-frame Whl
 $75.89

Part Number:784-0419C

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $75.89
Usually ships in 7 - 12 business days
 $75.89
31
Auger Cable Bracket
 $14.21

Part Number:790-00223B-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.21
Usually ships in 7 - 12 business days
 $14.21
32
Bracket:adj Cable
 $8.03

Part Number:790-00224

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.03
Usually ships in 7 - 12 business days
 $8.03
33
Wheel Asm-10x4 Stl
 $56.22

Part Number:934-04282B

In Stock

In Stock

Note: See Safety Recall
 $56.22
In Stock
 $56.22
33
Tube-tire 4.
 $14.25

Part Number:734-04322

In Stock

In Stock

Note: (Not Shown)
 $14.25
In Stock
 $14.25
34
Hex Screw, 5/16-24 X .750
 $3.99

Part Number:710-0627

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
 $3.99
In Stock
 $3.99
35
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.99
In Stock
 $4.99
36
Axle-.75 Od X 17.7
 $43.05

Part Number:738-04321

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $43.05
Usually ships in 7 - 12 business days
 $43.05
37
Screw-hex Ab-tap
 $3.99

Part Number:910-0224

In Stock

In Stock

Note: Used With Manual Pto
 $3.99
In Stock
 $3.99
38
Screw-hex
 $4.99

Part Number:710-0654A

In Stock

In Stock

Note: Code 665
 $4.99
In Stock
 $4.99
39
Screw-hex 3/8-nf X
 $6.55

Part Number:710-0696

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
 $6.55
Usually ships in 7 - 12 business days
 $6.55
41
Cover: Belt
 $29.36

Part Number:931-04162A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $29.36
Usually ships in 7 - 12 business days
 $29.36
42
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
43
Flat Washer
 $6.24

Part Number:736-0505

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Steering Wheel)
 $6.24
Usually ships in 7 - 12 business days
 $6.24
44
Pulley-adapter .75
 $25.49

Part Number:748-04067A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $25.49
Usually ships in 7 - 12 business days
 $25.49
45
Spacer .
 $6.24

Part Number:950-1355

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.24
Usually ships in 7 - 12 business days
 $6.24
46
Spacer .
 $10.11

Part Number:950-1356

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.11
Usually ships in 7 - 12 business days
 $10.11
47
Belt-v Type
 $19.94

Part Number:954-04013

In Stock

In Stock
 $19.94
In Stock
 $19.94
48
Belt 3/8 X 26.680
 $31.13

Part Number:954-04014

In Stock

In Stock
 $31.13
In Stock
 $31.13
49
Pulley-auger
 $24.48

Part Number:956-04024

In Stock

In Stock
 $24.48
In Stock
 $24.48
50
Pulley-half-1/2 V
 $10.41

Part Number:756-0569

In Stock

In Stock

Note: (753f)
 $10.41
In Stock
 $10.41
51
Screw-hex Drilling
 $4.99

Part Number:710-0456

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Throttle Stop)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
52
Shield-heat
 $37.27

Part Number:990-00064

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $37.27
Usually ships in 7 - 12 business days
 $37.27
53
Washer-fl
 $4.99

Part Number:936-0160

In Stock

In Stock

Note: (Not Part of Deck Assembly Complete)
 $4.99
In Stock
 $4.99
54
Saddle Washer
 $4.99

Part Number:736-0451

In Stock

In Stock
 $4.99
In Stock
 $4.99
55
Spacer-.260id X .4
 $4.99

Part Number:750-04913

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
56
Spacer-1.25od X .7
 $15.11

Part Number:731-05672A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.11
Usually ships in 7 - 12 business days
 $15.11
Quick_Reference_3Cad
MTD 31A-3CAD729 (2007) Snowthrower Quick_Reference_3Cad class=
 Fig #
759-3338
Spark Plug
 $8.02

Part Number:759-3338

In Stock

In Stock

Note: (Resistor Type)
 $8.02
In Stock
 $8.02
TC-35062
Key-starter
 $6.35

Part Number:TC-35062

In Stock

In Stock
 $6.35
In Stock
 $6.35
731-2643
Chute Clean-out Tool
 $18.67

Part Number:931-2643

In Stock

In Stock

Note: (Not Shown)
 $18.67
In Stock
 $18.67
790-00117
Plate-shave 22
 $26.40

Part Number:790-00117

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $26.40
Usually ships in 7 - 12 business days
 $26.40
784-5580
Shoe-slide
 $23.05

Part Number:784-5580-0637

In Stock

In Stock

Note: *Choose Color When Ordering*
 $23.05
In Stock
 $23.05
738-04124A
Pin-shear .25
 $3.99

Part Number:738-04124A

In Stock

In Stock
 $3.99
In Stock
 $3.99
714-04040
Pin-bow Tie Cotter
 $3.99

Part Number:714-04040

In Stock

In Stock

Note: (Not Shown)
 $3.99
In Stock
 $3.99
954-04014
Belt 3/8 X 26.680
 $31.13

Part Number:954-04014

In Stock

In Stock
 $31.13
In Stock
 $31.13
954-04013
Belt-v Type
 $19.94

Part Number:954-04013

In Stock

In Stock
 $19.94
In Stock
 $19.94
 Fig #
Snowblower Parts

Repair Guides for MTD Snowthrower 31A-3CAD729 (2007)

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.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

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

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.

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.

Questions & Answers for MTD 31A-3CAD729 (2007)

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