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MTD Lawn Mower Parts 1991
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MTD Lawn Mower Parts 1991
  MTD 121-838R000 (1991) Lawn Mower Parts
MTD Lawn Mower Replacement For Model 121-838R000 (1991)

MTD Lawn Mower Replacement Parts For Model 121-838R000 (1991)

We Sell Only Genuine MTD Parts

Questions & Answers for MTD 121-838R000 (1991)

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Page A
MTD 121-838R000 (1991) Lawn Mower Page A Diagram
 Fig #
A1
Screw-hex
 $6.02

Part Number:710-1062

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
 $6.02
Usually ships in 7 - 12 business days
 $6.02
A2
Washer-lock
 $4.99

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e)
 $4.99
In Stock
 $4.99
A3
Upper Hsg Hf
 $90.76

Part Number:717-0418A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $90.76
Usually ships in 7 - 12 business days
 $90.76
A4
#48 Sprocket 7 Tooth X 1/2 Pitch Obsolete - Not Available
 $4.99

Part Number:713-0400

Discontinued

Discontinued
 $4.99
Discontinued
A5
Washer-fl
 $4.99

Part Number:936-0336

In Stock

In Stock

Note: Use Applicable Flat Washers in This Application Allowing .006/.014 In. End-Play.
 $4.99
In Stock
 $4.99
A6
Bearing-hex Flange
 $10.03

Part Number:941-0413

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $10.03
Usually ships in 7 - 12 business days
 $10.03
A7
Bearing-cup Hex
 $9.50

Part Number:16500A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $9.50
Usually ships in 7 - 12 business days
 $9.50
A8
Thrust Wash. .382" I.d. X
 $6.49

Part Number:736-0314

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.49
Usually ships in 7 - 12 business days
 $6.49
A9
Bearing-thrust
 $11.02

Part Number:741-0479

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $11.02
Usually ships in 7 - 12 business days
 $11.02
A11
Shaft-pinion 11 T
 $33.26

Part Number:917-1216

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $33.26
Usually ships in 7 - 12 business days
 $33.26
A12
Bearing-flange
 $4.99

Part Number:748-0208A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A13
Seal-oil-.375 Id
 $9.72

Part Number:721-0212

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $9.72
Usually ships in 7 - 12 business days
 $9.72
A15
Pulley
 $30.64

Part Number:756-0330A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $30.64
Usually ships in 7 - 12 business days
 $30.64
A16
Bell-wash. 1/4 I.d.
 $3.99

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $3.99
In Stock
 $3.99
A17
Nut-jam 1/4-28 Lh
 $14.49

Part Number:712-04326

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $14.49
Usually ships in 7 - 12 business days
 $14.49
A18
Spacer-shld
 $6.02

Part Number:738-0440

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $6.02
Usually ships in 7 - 12 business days
 $6.02
A19
Washer, Flat, .385 X 1.0 X .03
 $4.99

Part Number:736-0344

In Stock

In Stock

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $4.99
In Stock
 $4.99
A20
Screw-shld
 $12.28

Part Number:938-0826

In Stock

In Stock

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $12.28
In Stock
 $12.28
A21
Pulley
 $12.22

Part Number:956-0558

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $12.22
Usually ships in 7 - 12 business days
 $12.22
A22
Use 941-0556
 $17.50

Part Number:741-0556

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete
 $17.50
Usually ships in 7 - 12 business days
 $17.50
A23
Bell-wash. 1/4 I.d.
 $3.99

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $3.99
In Stock
 $3.99
A24
Bracket Assy-idler
 $11.02

Part Number:17052A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $11.02
Usually ships in 7 - 12 business days
 $11.02
A25
Hex Patch L-nut 1/4-28 Thd
 $6.03

Part Number:712-0138

In Stock

In Stock

Note: (Not Part of Transmission Complete) - Not Part of Transmission Complete
 $6.03
In Stock
 $6.03
A26
Extension Spring 1.12
 $3.99

Part Number:732-0357A

In Stock

In Stock

Note: New Part Not Part of Transmission Complete - Not Part of Transmission Complete
 $3.99
In Stock
 $3.99
A27
Lower Hsg. Half
 $34.90

Part Number:717-0419B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $34.90
Usually ships in 7 - 12 business days
 $34.90
A28
Bearing-flange
 $10.14

Part Number:941-0415

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $10.14
Usually ships in 7 - 12 business days
 $10.14
A29
Shaft Assembly W
 $141.85

Part Number:717-0616A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $141.85
Usually ships in 7 - 12 business days
 $141.85
A30
Bearing-flange
 $10.39

Part Number:741-0414

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $10.39
Usually ships in 7 - 12 business days
 $10.39
A31
Seal-oil
 $10.97

Part Number:721-0213

In Stock

In Stock

Note: Part of Transmission Complete, Ref. No. 36.
 $10.97
In Stock
 $10.97
A32
Shaft Assembly W
 $141.85

Part Number:717-0616A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $141.85
Usually ships in 7 - 12 business days
 $141.85
A33
Washer-lock #10
 $6.42

Part Number:936-0722

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $6.42
Usually ships in 7 - 12 business days
 $6.42
A34
Screw-hex Wash Hd
 $3.99

Part Number:710-0651

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A35
Washer-hex
 $3.99

Part Number:936-0410

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A36
Transmission Belt Guard Obsolete - Not Available
 $2.99

Part Number:17718

Discontinued

Discontinued

Note: (Not Part of Transmission Complete) - Not Part of Transmission Complete
 $2.99
Discontinued
A37
Cover-belt
 $5.46

Part Number:17064-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.46
Usually ships in 7 - 12 business days
 $5.46
A39
Screw-hex Wash Sf
 $4.99

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O. - Not Part of Transmission Complete
 $4.99
In Stock
 $4.99
A40
Hex Wash. Scr. 1/4-14 X .625
 $4.99

Part Number:710-0896

In Stock

In Stock
 $4.99
In Stock
 $4.99
A41
Nut-hex 1/4-20
 $4.99

Part Number:912-0287

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 - Not Part of Transmission Complete
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A42
Bell-wash. 1/4 I.d.
 $3.99

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $3.99
In Stock
 $3.99
A43
Washer-lock
 $4.99

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e) - Not Part of Transmission Complete
 $4.99
In Stock
 $4.99
A44
Cable-clutch
 $39.29

Part Number:946-0710A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $39.29
Usually ships in 7 - 12 business days
 $39.29
A45
S.P. Belt Guard Obsolete - Not Available
 $3.60

Part Number:747-0549

Discontinued

Discontinued

Note: (Not Part of Transmission Complete) - Not Part of Transmission Complete
 $3.60
Discontinued
A
Transmission-comp
 $239.49

Part Number:917-0417B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (See Breakdown)
 $239.49
Usually ships in 7 - 12 business days
 $239.49
Page B
MTD 121-838R000 (1991) Lawn Mower Page B class=
 Fig #
B1
Foam Grip - 9
 $7.01

Part Number:720-0294A

In Stock

In Stock

Note: (2 Required)
 $7.01
In Stock
 $7.01
B2
Control Handle Ass'y. L.H. Obsolete - Not Available
 $20.05

Part Number:731-0609

Discontinued

Discontinued
 $20.05
Discontinued
B3
Chute Assy Black
 $60.41

Part Number:731-1023

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $60.41
Usually ships in 7 - 12 business days
 $60.41
B4
Screw-truss Mach
 $5.24

Part Number:710-0796

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $5.24
Usually ships in 7 - 12 business days
 $5.24
B5
Rope Guide Bolt
 $4.99

Part Number:710-0842B

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
B7
Control Panel Half Obsolete - Not Available
 $11.83

Part Number:731-0817A

Discontinued

Discontinued
 $11.83
Discontinued
B8
Control Disc Pin Obsolete - Not Available
 $4.99

Part Number:931-0524

Discontinued

Discontinued
 $4.99
Discontinued
B9
Clutch Panel Half Obsolete - Not Available
 $2.99

Part Number:731-0818

Discontinued

Discontinued
 $2.99
Discontinued
B10
Lever-throttle Con
 $9.76

Part Number:931-0972

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Attaching Throttle Wire to Lever Modles 466r, 469r, 476r and 479r: Use Upper Hole in Lever as Shown. All Other Models: Use Lowe
 $9.76
Usually ships in 7 - 12 business days
 $9.76
B11
Hub Cap-beige
 $10.65

Part Number:731-0982C

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Optional
 $10.65
Usually ships in 7 - 12 business days
 $10.65
B12
Truss Screw 1/4-20 X .65
 $3.99

Part Number:710-0946

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B14
Handle-upper Short
 $45.74

Part Number:749-0439E-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Incl. Ref. No. 9)
 $45.74
Usually ships in 7 - 12 business days
 $45.74
B15
Bracket-panel Sup
 $10.71

Part Number:16129A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $10.71
Usually ships in 7 - 12 business days
 $10.71
B16
Panel Assy-catcher
 $46.24

Part Number:16862

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $46.24
Usually ships in 7 - 12 business days
 $46.24
B19
Spring-torsion
 $10.03

Part Number:732-0483A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $10.03
Usually ships in 7 - 12 business days
 $10.03
B20
Pivot Pin .187" Dia. x 7.25" Lg. Obsolete - Not Available
 $2.99

Part Number:747-0514

Discontinued

Discontinued
 $2.99
Discontinued
B21
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
B22
Truss Mach. Scr. 1/4-20 X .75
 $4.99

Part Number:710-0924

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
B23
Screw-hex 1/4-20 X
 $3.99

Part Number:910-0289

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts Locally. if These Items Cannot Be Obtained Locally, Order by Part Number and Size as Sho
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B25
Hex Bolt 1/4-20 X .62
 $3.99

Part Number:710-0751

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
B26
Nut-hex 1/4-20
 $4.99

Part Number:912-0287

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
B27
Bell-wash. 1/4 I.d.
 $3.99

Part Number:736-0270

In Stock

In Stock

Note: If Equipped
 $3.99
In Stock
 $3.99
B28
Washer-lock
 $4.99

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e)
 $4.99
In Stock
 $4.99
B29
Frame-catcher-fr
 $51.49

Part Number:747-0705-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $51.49
Usually ships in 7 - 12 business days
 $51.49
B31
Kit-control Hsg.
 $52.24

Part Number:753-0833

In Stock

In Stock

Note: (Not Shown)
 $52.24
In Stock
 $52.24
B32
Spark Plug Boot Obsolete - Not Available
 $2.99

Part Number:735-0639

Discontinued

Discontinued

Note: (Optional)
 $2.99
Discontinued
B33
Key, 3/16" x 1" Obsolete - Not Available
 $2.99

Part Number:712-0109

Discontinued

Discontinued
 $2.99
Discontinued
B34
Cable-throttle
 $18.71

Part Number:946-0674A

In Stock

In Stock

Note: for Model 848c Only.
 $18.71
In Stock
 $18.71
B35
Use 749-0907b
 $51.64

Part Number:749-0907B-0637

In Stock

In Stock

Note: (Code: N)
 $51.64
In Stock
 $51.64
B38
Bag Grass
 $173.26

Part Number:964-0082

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Model 808
 $173.26
Usually ships in 7 - 12 business days
 $173.26
B39
Retaining Strip Obsolete - Not Available
 $3.99

Part Number:14835

Discontinued

Discontinued
 $3.99
Discontinued
B40
Truss Mach. Scr. 5/16-18 X .75
 $4.99

Part Number:710-0323

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
B41
Fl-wash. .344 I.d. X .62 O.d.
 $4.99

Part Number:736-0204

In Stock

In Stock

Note: (Optional)
 $4.99
In Stock
 $4.99
B42
Chain- Axle Ass'y. Obsolete - Not Available
 $2.99

Part Number:17055B

Discontinued

Discontinued
 $2.99
Discontinued
B44
Bearing-ball
 $19.26

Part Number:941-0180

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (106f)
 $19.26
Usually ships in 7 - 12 business days
 $19.26
B45
Hex Wash. Scr. 1/4-14 X .625
 $4.99

Part Number:710-0896

In Stock

In Stock
 $4.99
In Stock
 $4.99
B46
Arm-catcher Suppor
 $11.34

Part Number:749-0778

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $11.34
Usually ships in 7 - 12 business days
 $11.34
B47
Nut Hex Lock 3/8-2
 $3.99

Part Number:912-0296

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Models 820 Thru 829
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B48
#48 Chain .50" Pitch X 30 Links Obsolete - Not Available
 $8.01

Part Number:913-0353

Discontinued

Discontinued
 $8.01
Discontinued
B49
Nut- Hex Ins
 $4.99

Part Number:712-0346

In Stock

In Stock
 $4.99
In Stock
 $4.99
B50
Plug
 $3.99

Part Number:731-0564

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Models 420r Thru 429r Only)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B51
Flap-rr
 $33.04

Part Number:731-0672A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $33.04
Usually ships in 7 - 12 business days
 $33.04
B52
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
B54
Screw-hex Ab-tap
 $6.16

Part Number:710-1025

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Models 460r Thru 468r Only.
 $6.16
Usually ships in 7 - 12 business days
 $6.16
B55
Kit-blade Adapter-
 $47.20

Part Number:753-0485

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used With Splined Crankshaft
 $47.20
Usually ships in 7 - 12 business days
 $47.20
B56
Blade-21in
 $32.66

Part Number:942-0621

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $32.66
Usually ships in 7 - 12 business days
 $32.66
B59
Arm Connect-hgt-ad
 $17.55

Part Number:782-0521

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $17.55
Usually ships in 7 - 12 business days
 $17.55
B60
Screw-hex 7/16-20
 $9.74

Part Number:710-0757

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $9.74
Usually ships in 7 - 12 business days
 $9.74
B61
Spacer .513 I.d. X .703
 $6.05

Part Number:748-0190

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.05
Usually ships in 7 - 12 business days
 $6.05
B62
Pulley Half - 2 Reqd.
 $53.47

Part Number:956-0502

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Used W/Splined Adapter)
 $53.47
Usually ships in 7 - 12 business days
 $53.47
B63
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
B64
Bracket Assy-rh Hn
 $26.37

Part Number:16136C-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $26.37
Usually ships in 7 - 12 business days
 $26.37
B65
Bracket Assy-hndl-lh
 $24.39

Part Number:16137C-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $24.39
Usually ships in 7 - 12 business days
 $24.39
B66
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
B67
Hex Wash. Hd. B-tap Scr.5/16-1
 $4.99

Part Number:710-0603

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Models 147h and 149c Only.
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B68
Screw-hex
 $4.99

Part Number:710-0654A

In Stock

In Stock

Note: Code 665
 $4.99
In Stock
 $4.99
B69
Use 912-3010
 $4.99

Part Number:712-3010

In Stock

In Stock
 $4.99
In Stock
 $4.99
B70
Grip
 $14.09

Part Number:720-0223

In Stock

In Stock
 $14.09
In Stock
 $14.09
B71
Lever-hgt Adj
 $7.56

Part Number:732-0606

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.56
Usually ships in 7 - 12 business days
 $7.56
B72
Spring-extension
 $8.17

Part Number:932-0362

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.17
Usually ships in 7 - 12 business days
 $8.17
B73
Washer
 $4.99

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.99
In Stock
 $4.99
B74
Spacer
 $5.39

Part Number:950-0736

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: 950-0736
 $5.39
Usually ships in 7 - 12 business days
 $5.39
B75
Spacer-shld .500 X
 $3.99

Part Number:750-0624

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
B76
Guide-rope
 $15.48

Part Number:719-0279

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $15.48
Usually ships in 7 - 12 business days
 $15.48
B77
Push Nut
 $4.99

Part Number:726-0233

In Stock

In Stock
 $4.99
In Stock
 $4.99
B79
Control Label-throttle
 $3.99

Part Number:777-5812

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
B80
Shld. Scr. .342" Dia. X .268 Obsolete - Not Available
 $4.99

Part Number:738-0137

Discontinued

Discontinued
 $4.99
Discontinued
B81
Pawl - Lh
 $11.22

Part Number:948-0188B

In Stock

In Stock
 $11.22
In Stock
 $11.22
B82
Wheel-comp Gray Pl
 $32.47

Part Number:734-1826

In Stock

In Stock

Note: for Model 848c Only.
 $32.47
In Stock
 $32.47
B83
Clamp
 $3.99

Part Number:726-0175

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
B84
Sleeve Brg. 1/2" I.D. Obsolete - Not Available
 $2.99

Part Number:741-0486B

Discontinued

Discontinued
 $2.99
Discontinued
B85
Washer-bell 1.008x
 $3.99

Part Number:936-0450

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used W/Splined Adapter
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B86
Crankshaft Spacer
 $4.99

Part Number:748-0332

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Models 234r, 236r & 238r Only)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B87
Clip-panel Bag
 $3.99

Part Number:731-0880

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Top Discharge Models 175r, 176r & 177r Only)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B88
Nut-flat Wel
 $4.99

Part Number:712-0414

In Stock

In Stock

Note: (Used W/Ref. #88)
 $4.99
In Stock
 $4.99
B95
Cable-clutch
 $39.29

Part Number:946-0710A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete
 $39.29
Usually ships in 7 - 12 business days
 $39.29
B96
Belt-v 3/8 X 31.0
 $32.27

Part Number:954-0343

In Stock

In Stock

Note: 616e
 $32.27
In Stock
 $32.27
B98
Bag Handle Obsolete - Not Available
 $16.84

Part Number:731-0801

Discontinued

Discontinued

Note: (Models 460r Thru 469r Only)
 $16.84
Discontinued
B102
Deck Assembly-21in
 $67.82

Part Number:16859A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $67.82
Usually ships in 7 - 12 business days
 $67.82
B103
Screw-shld .500 Di
 $10.39

Part Number:738-0234

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Special
 $10.39
Usually ships in 7 - 12 business days
 $10.39
B104
Bell Washer
 $3.99

Part Number:736-0253

In Stock

In Stock
 $3.99
In Stock
 $3.99
B105
Front Axle Ass'y
 $54.97

Part Number:982-7509-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $54.97
Usually ships in 7 - 12 business days
 $54.97
B106
Sleeve
 $3.99

Part Number:911-0313

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Used on Tractors W/Serial No. 192,001 & Above)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B111
Washer-intern L 3/
 $3.99

Part Number:736-0221

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
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B112
Screw-shld
 $8.92

Part Number:938-0705

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.92
Usually ships in 7 - 12 business days
 $8.92
B113
Wheel Assy W/tire
 $66.16

Part Number:734-1517B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Changed From Original Printing.
 $66.16
Usually ships in 7 - 12 business days
 $66.16
B114
Kit-control Hsg.
 $52.24

Part Number:753-0833

In Stock

In Stock

Note: (Not Shown)
 $52.24
In Stock
 $52.24
B115
Kit-control Hsg.
 $52.24

Part Number:753-0833

In Stock

In Stock

Note: (Not Shown)
 $52.24
In Stock
 $52.24
B116
Lever-control
 $14.86

Part Number:731-0620A

In Stock

In Stock

Note: (Not Shown)
 $14.86
In Stock
 $14.86
B117
Height Adjustment Knob
 $13.13

Part Number:731-13116-1

In Stock

In Stock

Note: (Optional Parts)
 $13.13
In Stock
 $13.13
B118
Screw-fl C-sunk Ab
 $4.99

Part Number:710-0841

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
B119
Plate-pawl
 $6.25

Part Number:16855

In Stock

In Stock
 $6.25
In Stock
 $6.25
B121
Bolt-carriage-curv
 $3.99

Part Number:910-0671

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
B122
Pin-shld 3/8-24x1.
 $3.99

Part Number:711-0805

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
B123
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
B129
Cable-control
 $27.45

Part Number:946-0477A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (B&s)
 $27.45
Usually ships in 7 - 12 business days
 $27.45
B130
Ratchet
 $9.97

Part Number:948-0318

In Stock

In Stock

Note: Models 820 Thru 829
 $9.97
In Stock
 $9.97
B131
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
B132
Jam Nut 3/8-24
 $4.99

Part Number:712-0711

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
B133
Deflector-side Chu
 $24.51

Part Number:731-0884

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $24.51
Usually ships in 7 - 12 business days
 $24.51
B134
Use 941-0522
 $8.49

Part Number:741-0522

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.49
Usually ships in 7 - 12 business days
 $8.49
B135
Control Housing Comp. Obsolete - Not Available
 $21.99

Part Number:753-0430A

Discontinued

Discontinued
 $21.99
Discontinued
B136
Spring
 $4.99

Part Number:10622B

In Stock

In Stock
 $4.99
In Stock
 $4.99
B138
Chain Cover Obsolete - Not Available
 $2.99

Part Number:17053A

Discontinued

Discontinued
 $2.99
Discontinued
B140
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
B144
Fl-wash. .385 I.d. X .87
 $4.99

Part Number:736-0300

In Stock

In Stock
 $4.99
In Stock
 $4.99
B147
Rear Axle Ass'y. Obsolete - Not Available
 $62.61

Part Number:938-0719A

Discontinued

Discontinued
 $62.61
Discontinued
B148
Bearing-hex Flange
 $7.80

Part Number:741-0324A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Models 820 Thru 829
 $7.80
Usually ships in 7 - 12 business days
 $7.80
B149
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
B151
Bearing-nyliner
 $4.99

Part Number:741-0491

In Stock

In Stock
 $4.99
In Stock
 $4.99
B152
Hex Bolt 1/4-20 X .62
 $3.99

Part Number:710-0751

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
B153
Transmission-comp
 $239.49

Part Number:917-0417B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (See Breakdown)
 $239.49
Usually ships in 7 - 12 business days
 $239.49
B154
Bearing-cup Hex
 $9.50

Part Number:16500A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Transmission Complete, Ref. No. 36.
 $9.50
Usually ships in 7 - 12 business days
 $9.50
B155
Screw-hex B-tap #
 $3.99

Part Number:910-0429

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
B156
Screw-hex 3/8-24 X
 $4.99

Part Number:710-1055

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Blade 3 Bolt Mount
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B157
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
B158
Hex Nut 3/8-24 Gr.5
 $4.99

Part Number:712-0241

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
B160
Flat Washer, .510x .750 X .033
 $6.71

Part Number:936-0108

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
B161
Frame-catcher-rr
 $39.67

Part Number:749-0764A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $39.67
Usually ships in 7 - 12 business days
 $39.67
B162
Nut-jam Lock 3/8-1
 $3.99

Part Number:712-0266A

In Stock

In Stock

Note: for Models 587b, 596 and 598.
 $3.99
In Stock
 $3.99
 Fig #
Lawn Mower Parts

Repair Guides for MTD Lawn Mower 121-838R000 (1991)

How to Winterize Power Tools and Machines

This video explains how to properly winterize power tools and machines for winter storage, increasing the life and performance of seasonal tools.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

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

Lawn and Garden Machines and Power Tools

This article lists the major categories of lawn and garden tools and machines, explaining the basic applications, types, and features of each.

How to Replace a Lawn Mower Blade

Lawn mower blades must be replaced after so many hours of cutting, and the steps in this article explain how to perform this simple parts replacement.

Questions & Answers for 121-838R000 (1991)

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