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MTD Lawn Mower Parts 1991
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MTD Lawn Mower Replacement  For Model 121-838E000 (1991)

MTD Lawn Mower Replacement Parts For Model 121-838E000 (1991)

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MTD 121-838E000 (1991) Lawn Mower Page A Diagram
 Fig #
A1
Foam Grip - 9
 $7.39

Part Number:720-0294A

In Stock

In Stock

Note: (2 Required)
 $7.39
In Stock
 $7.39
A2
Control Handle Ass'y. L.H. Obsolete - Not Available
 $20.05

Part Number:731-0609

Discontinued

Discontinued
 $20.05
Discontinued
A2A
Control Handle Ass'y. L.H. Obsolete - Not Available
 $20.05

Part Number:731-0609

Discontinued

Discontinued
 $20.05
Discontinued
A3
Chute Assy Black Obsolete - Not Available
 $60.41

Part Number:731-1023

Discontinued

Discontinued

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $60.41
Discontinued
A4
Screw-truss Mach
 $5.47

Part Number:710-0796

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $5.47
Usually ships in 7 - 12 business days
 $5.47
A7
Control Panel Half Obsolete - Not Available
 $11.83

Part Number:731-0817A

Discontinued

Discontinued
 $11.83
Discontinued
A8
Control Disc Pin Obsolete - Not Available
 $4.99

Part Number:931-0524

Discontinued

Discontinued
 $4.99
Discontinued
A9
Clutch Panel Half Obsolete - Not Available
 $2.99

Part Number:731-0818

Discontinued

Discontinued
 $2.99
Discontinued
A10
Lever-throttle Con
 $10.18

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
 $10.18
Usually ships in 7 - 12 business days
 $10.18
A11
Hub Cap Black (4-1/4-inch Dia.
 $3.99

Part Number:731-0354

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A11A
Hub Cap Gray (4-1/4-inch Dia.)
 $4.99

Part Number:731-0355A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A12
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
A14
Handle-upper Short
 $47.75

Part Number:749-0439E-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Incl. Ref. No. 9)
 $47.75
Usually ships in 7 - 12 business days
 $47.75
A15
Bracket-panel Sup
 $11.19

Part Number:16129A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $11.19
Usually ships in 7 - 12 business days
 $11.19
A16
Panel Assy-catcher Obsolete - Not Available
 $46.24

Part Number:16862

Discontinued

Discontinued
 $46.24
Discontinued
A17
Door-top Discharge Obsolete - Not Available
 $14.65

Part Number:17095A-0637

Discontinued

Discontinued
 $14.65
Discontinued
A18
Washer-fl Obsolete - Not Available
 $6.90

Part Number:936-0211

Discontinued

Discontinued

Note: (Not Shown)(46" Deck Models Only)
 $6.90
Discontinued
A19
Spring-torsion
 $10.48

Part Number:732-0483A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $10.48
Usually ships in 7 - 12 business days
 $10.48
A20
Pivot Pin .187" Dia. x 7.25" Lg. Obsolete - Not Available
 $2.99

Part Number:747-0514

Discontinued

Discontinued
 $2.99
Discontinued
A21
Bolt-carriage 1/4-
 $4.27

Part Number:710-0134

In Stock

In Stock

Note: If Equipped
 $4.27
In Stock
 $4.27
A23
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
A25
Screw-1/4-20 X .62
 $4.18

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
 $4.18
In Stock
 $4.18
A26
Nut-hex 1/4-20
 $4.55

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
 $4.55
Usually ships in 7 - 12 business days
 $4.55
A27
Washer-spring Bell
 $4.18

Part Number:736-0270

In Stock

In Stock

Note: If Equipped
 $4.18
In Stock
 $4.18
A28
Washer-lock
 $4.49

Part Number:936-0329

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (for Model E633e)
 $4.49
Usually ships in 7 - 12 business days
 $4.49
A29
Frame-catcher-fr
 $53.74

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)
 $53.74
Usually ships in 7 - 12 business days
 $53.74
A30
Washer-fl-.385 X 1
 $4.53

Part Number:736-0258

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Once This Piece Is Put on Tractor, It Doesn’t Need to Be Removed When Snow Thrower Is Removed From Tractor)
 $4.53
Usually ships in 7 - 12 business days
 $4.53
A31
Kit-control Hsg.
 $54.53

Part Number:753-0833

Backorder: No ETA

Backorder: No ETA

Note: (Not Shown)
 $54.53
Backorder: No ETA
 $54.53
A32
Spark Plug Boot Obsolete - Not Available
 $2.99

Part Number:735-0639

Discontinued

Discontinued

Note: (Optional)
 $2.99
Discontinued
A33
Key, 3/16" x 1" Obsolete - Not Available
 $2.99

Part Number:712-0109

Discontinued

Discontinued
 $2.99
Discontinued
A34
Cable-throttle
 $19.72

Part Number:946-0674A

In Stock

In Stock

Note: for Model 848c Only.
 $19.72
In Stock
 $19.72
A35
Use 749-0907b
 $54.42

Part Number:749-0907B-0637

In Stock

In Stock

Note: (Code: N)
 $54.42
In Stock
 $54.42
A38
Bag Grass Obsolete - Not Available
 $173.26

Part Number:964-0082

Discontinued

Discontinued

Note: For Model 808
 $173.26
Discontinued
A38A
21" Top Discharge Grass Bag- Gray Obsolete - Not Available
 $66.84

Part Number:764-0256

Discontinued

Discontinued
 $66.84
Discontinued
A39
Retaining Strip Obsolete - Not Available
 $4.99

Part Number:14835

Discontinued

Discontinued
 $4.99
Discontinued
A40
Truss Mach. Scr. 5/16-18 X .75
 $4.63

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
 $4.63
Usually ships in 7 - 12 business days
 $4.63
A41
Fl-wash. .344 I.d. X .62 O.d.
 $4.48

Part Number:736-0204

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $4.48
Usually ships in 7 - 12 business days
 $4.48
A42
Chain- Axle Ass'y. Obsolete - Not Available
 $2.99

Part Number:17055B

Discontinued

Discontinued
 $2.99
Discontinued
A43
Hex Index Washer Screw, 1/4-14 x .375
 $4.66

Part Number:710-0352

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete
 $4.66
Usually ships in 7 - 12 business days
 $4.66
A44
Bearing-ball Obsolete - Not Available
 $19.26

Part Number:941-0180

Discontinued

Discontinued

Note: (106f)
 $19.26
Discontinued
A45
Hex Wash. Scr. 1/4-14 X .625
 $4.44

Part Number:710-0896

In Stock

In Stock
 $4.44
In Stock
 $4.44
A46
Arm-catcher Suppor Obsolete - Not Available
 $11.34

Part Number:749-0778

Discontinued

Discontinued

Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
 $11.34
Discontinued
A47
Nut Hex Lock 3/8-2 Obsolete - Not Available
 $3.99

Part Number:912-0296

Discontinued

Discontinued

Note: Models 820 Thru 829
 $3.99
Discontinued
A48
#48 Chain .50" Pitch X 30 Links Obsolete - Not Available
 $8.01

Part Number:913-0353

Discontinued

Discontinued
 $8.01
Discontinued
A49
Nut- Hex Ins
 $4.55

Part Number:712-0346

In Stock

In Stock
 $4.55
In Stock
 $4.55
A50
Plug Obsolete - Not Available
 $3.99

Part Number:731-0564

Discontinued

Discontinued

Note: (Models 420r Thru 429r Only)
 $3.99
Discontinued
A51
Flap-rr Obsolete - Not Available
 $33.04

Part Number:731-0672A

Discontinued

Discontinued
 $33.04
Discontinued
A52
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
A54
Screw-hex Ab-tap
 $6.44

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.
 $6.44
Usually ships in 7 - 12 business days
 $6.44
A55
Kit-blade Adapter- Obsolete - Not Available
 $47.20

Part Number:753-0485

Discontinued

Discontinued

Note: Used With Splined Crankshaft
 $47.20
Discontinued
A56
Blade-21in
 $31.71

Part Number:942-0621

In Stock

In Stock

Note: (Optional)
 $31.71
In Stock
 $31.71
A58
Washer-bell Obsolete - Not Available
 $3.99

Part Number:936-0453

Discontinued

Discontinued

Note: Used With Splined Crankshaft
 $3.99
Discontinued
A59
Arm Connect-hgt-ad Obsolete - Not Available
 $17.55

Part Number:782-0521

Discontinued

Discontinued

Note: New Part
 $17.55
Discontinued
A60
Screw-hex 7/16-20
 $10.17

Part Number:710-0757

Backorder: No ETA

Backorder: No ETA

Note: (Units With Manual Pto.)
 $10.17
Backorder: No ETA
 $10.17
A61
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
A62
Pulley Half - 2 Reqd. Obsolete - Not Available
 $124.55

Part Number:956-0502

Discontinued

Discontinued

Note: (Used W/Splined Adapter)
 $124.55
Discontinued
A63
Washer-lock 5/16
Minimum Quantity of 2 Required
 $4.95

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
 $4.95
In Stock
 $4.95
A64
Bracket Assy-rh Hn Obsolete - Not Available
 $26.37

Part Number:16136C-0637

Discontinued

Discontinued

Note: New Part
 $26.37
Discontinued
A65
Bracket Assy-hndl-lh Obsolete - Not Available
 $24.39

Part Number:16137C-0637

Discontinued

Discontinued

Note: New Part
 $24.39
Discontinued
A66
Bolt-carriage 5/16
 $4.27

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
 $4.27
In Stock
 $4.27
A67
Hex Wash. Hd. B-tap Scr.5/16-1
 $4.82

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.
 $4.82
Usually ships in 7 - 12 business days
 $4.82
A68
Screw-hex
 $4.32

Part Number:710-0654A

In Stock

In Stock

Note: Code 665
 $4.32
In Stock
 $4.32
A69
Use 912-3010
 $4.48

Part Number:712-3010

In Stock

In Stock
 $4.48
In Stock
 $4.48
A70
Grip
 $14.85

Part Number:720-0223

In Stock

In Stock
 $14.85
In Stock
 $14.85
A71
Lever-hgt Adj Obsolete - Not Available
 $7.56

Part Number:732-0606

Discontinued

Discontinued
 $7.56
Discontinued
A72
Spring-extension Obsolete - Not Available
 $8.17

Part Number:932-0362

Discontinued

Discontinued
 $8.17
Discontinued
A73
Washer-bell .337 X
Minimum Quantity of 2 Required
 $4.32

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.32
In Stock
 $4.32
A75
Spacer-shld .500 X Obsolete - Not Available
 $4.99

Part Number:750-0624

Discontinued

Discontinued
 $4.99
Discontinued
A77
Push Nut
 $4.53

Part Number:726-0233

In Stock

In Stock
 $4.53
In Stock
 $4.53
A78
Instruction Label Obsolete - Not Available
 $2.99

Part Number:777-5902

Discontinued

Discontinued
 $2.99
Discontinued
A79
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
A80
Shld. Scr. .342" Dia. X .268 Obsolete - Not Available
 $4.99

Part Number:738-0137

Discontinued

Discontinued
 $4.99
Discontinued
A81
Pawl - Lh
 $11.83

Part Number:948-0188B

In Stock

In Stock
 $11.83
In Stock
 $11.83
A82
8 X 1.75 T Tread
 $36.36

Part Number:734-1412

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: No Longer Available
 $36.36
Usually ships in 7 - 12 business days
 $36.36
A83
Clamp Obsolete - Not Available
 $3.99

Part Number:726-0175

Discontinued

Discontinued
 $3.99
Discontinued
A84
Hub Cap Obsolete - Not Available
 $7.06

Part Number:10647

Discontinued

Discontinued

Note: (Rear)
 $7.06
Discontinued
A85
Washer-bell 1.008x Obsolete - Not Available
 $3.99

Part Number:936-0450

Discontinued

Discontinued

Note: Used W/Splined Adapter
 $3.99
Discontinued
A86
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
A87
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
A89
Screw-pan Hd Tapp Obsolete - Not Available
 $3.99

Part Number:710-0748

Discontinued

Discontinued

Note: (Used W/Ref. #22)
 $3.99
Discontinued
A90
Lower Battery Tray
 $10.36

Part Number:16542B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.36
Usually ships in 7 - 12 business days
 $10.36
A91
Upper Battery Tray
 $50.08

Part Number:731-0891A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $50.08
Usually ships in 7 - 12 business days
 $50.08
A92
Battery Pack
 $187.55

Part Number:925-1276

In Stock

In Stock

Note: If Equipped
 $187.55
In Stock
 $187.55
A93
Key-ign (set Of Tw
 $10.03

Part Number:925-0201

In Stock

In Stock

Note: Electric Start Models Only
 $10.03
In Stock
 $10.03
A94
Switch-key Obsolete - Not Available
 $17.73

Part Number:925-0873

Discontinued

Discontinued

Note: If Equipped
 $17.73
Discontinued
A95
Cable-clutch
 $41.00

Part Number:946-0710A

In Stock

In Stock

Note: Not Part of Transmission Complete
 $41.00
In Stock
 $41.00
A96
Belt-v 3/8 X 31.0
 $31.64

Part Number:954-0343

In Stock

In Stock

Note: 616e
 $31.64
In Stock
 $31.64
A96A
Screw-tap .215 X 1
 $4.49

Part Number:710-0969

In Stock

In Stock

Note: If Equipped
 $4.49
In Stock
 $4.49
A98
Bag Handle Obsolete - Not Available
 $16.84

Part Number:731-0801

Discontinued

Discontinued

Note: (Models 460r Thru 469r Only)
 $16.84
Discontinued
A99
Charger-battery
 $83.16

Part Number:925-0727

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: If Equipped
 $83.16
Usually ships in 7 - 12 business days
 $83.16
A100
Wire Harness Obsolete - Not Available
 $58.35

Part Number:925-1442

Discontinued

Discontinued

Note: If Equipped
 $58.35
Discontinued
A101
Plug Obsolete - Not Available
 $9.95

Part Number:925-1206

Discontinued

Discontinued

Note: If Equipped
 $9.95
Discontinued
A102
Replaced And Merged With: Mtd9
 $51.66

Part Number:96859

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $51.66
Usually ships in 7 - 12 business days
 $51.66
A103
Screw-shld .500 Di
 $10.84

Part Number:738-0234

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Special
 $10.84
Usually ships in 7 - 12 business days
 $10.84
A104
Bell Washer
 $4.13

Part Number:736-0253

In Stock

In Stock
 $4.13
In Stock
 $4.13
A105
Front Axle Ass'y Obsolete - Not Available
 $54.97

Part Number:982-7509-0637

Discontinued

Discontinued

Note: New Part
 $54.97
Discontinued
A106
Sleeve Obsolete - Not Available
 $3.99

Part Number:911-0313

Discontinued

Discontinued

Note: (Used on Tractors W/Serial No. 192,001 & Above)
 $3.99
Discontinued
A111
Washer-intern L 3/ Obsolete - Not Available
 $3.99

Part Number:736-0221

Discontinued

Discontinued

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $3.99
Discontinued
A112
Screw-shld Obsolete - Not Available
 $8.92

Part Number:938-0705

Discontinued

Discontinued
 $8.92
Discontinued
A113
Wheel Assy W/tire
 $76.55

Part Number:734-1268

In Stock

In Stock

Note: (Shown)
 $76.55
In Stock
 $76.55
A114
Kit-control Hsg.
 $54.53

Part Number:753-0833

Backorder: No ETA

Backorder: No ETA

Note: (Not Shown)
 $54.53
Backorder: No ETA
 $54.53
A115
Kit-control Hsg.
 $54.53

Part Number:753-0833

Backorder: No ETA

Backorder: No ETA

Note: (Not Shown)
 $54.53
Backorder: No ETA
 $54.53
A116
Lever-control
 $15.65

Part Number:731-0620A

In Stock

In Stock

Note: (Not Shown)
 $15.65
In Stock
 $15.65
A117
Height Adjustment Kn
 $13.84

Part Number:731-13116-1

In Stock

In Stock

Note: (Optional Parts)
 $13.84
In Stock
 $13.84
A118
Screw-fl C-sunk Ab
 $4.55

Part Number:710-0841

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.55
Usually ships in 7 - 12 business days
 $4.55
A119
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
A121
Bolt-carriage-curv Obsolete - Not Available
 $3.99

Part Number:910-0671

Discontinued

Discontinued
 $3.99
Discontinued
A122
Pin-shld 3/8-24x1. Obsolete - Not Available
 $3.99

Part Number:711-0805

Discontinued

Discontinued
 $3.99
Discontinued
A123
Use 936-0169
 $3.99

Part Number:736-0169

Backorder: No ETA

Backorder: No ETA
 $3.99
Backorder: No ETA
 $3.99
A129
Cable-control Obsolete - Not Available
 $16.63

Part Number:946-0480A

Discontinued

Discontinued
 $16.63
Discontinued
A130
Ratchet
 $10.26

Part Number:948-0318

In Stock

In Stock

Note: Models 820 Thru 829
 $10.26
In Stock
 $10.26
A131
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
A132
Jam Nut 3/8-24
 $4.49

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
 $4.49
In Stock
 $4.49
A133
Deflector-side Chu Obsolete - Not Available
 $24.51

Part Number:731-0884

Discontinued

Discontinued
 $24.51
Discontinued
A134
Use 941-0522
 $8.87

Part Number:741-0522

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.87
Usually ships in 7 - 12 business days
 $8.87
A135
Control Housing Comp. Obsolete - Not Available
 $21.99

Part Number:753-0430A

Discontinued

Discontinued
 $21.99
Discontinued
A136
Spring
 $4.99

Part Number:10622B

In Stock

In Stock
 $4.99
In Stock
 $4.99
A138
Chain Cover Obsolete - Not Available
 $2.99

Part Number:17053A

Discontinued

Discontinued
 $2.99
Discontinued
A140
Screw-hex Wash Sf
Minimum Quantity of 2 Required
 $4.44

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.44
In Stock
 $4.44
A144
Fl-wash. .385 I.d. X .87
 $4.99

Part Number:736-0300

In Stock

In Stock
 $4.99
In Stock
 $4.99
A147
Rear Axle Ass'y. Obsolete - Not Available
 $62.61

Part Number:938-0719A

Discontinued

Discontinued
 $62.61
Discontinued
A148
Bearing-hex Flange
 $8.14

Part Number:741-0324A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Models 820 Thru 829
 $8.14
Usually ships in 7 - 12 business days
 $8.14
A149
Washer-fl
 $4.49

Part Number:936-0160

In Stock

In Stock

Note: (Not Part of Deck Assembly Complete)
 $4.49
In Stock
 $4.49
A151
Bearing-nyliner
 $5.06

Part Number:741-0491

In Stock

In Stock
 $5.06
In Stock
 $5.06
A152
Screw-1/4-20 X .62
 $4.18

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
 $4.18
In Stock
 $4.18
A153
Transmission-comp Obsolete - Not Available
 $239.49

Part Number:917-0417B

Discontinued

Discontinued

Note: (See Breakdown)
 $239.49
Discontinued
A154
Bearing-cup Hex Obsolete - Not Available
 $9.50

Part Number:16500A-0637

Discontinued

Discontinued

Note: Part of Transmission Complete, Ref. No. 36.
 $9.50
Discontinued
A155
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
A156
Screw-hex 3/8-24 X
 $4.86

Part Number:710-1055

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Blade 3 Bolt Mount
 $4.86
Usually ships in 7 - 12 business days
 $4.86
A157
Use 936-0169
 $3.99

Part Number:736-0169

Backorder: No ETA

Backorder: No ETA
 $3.99
Backorder: No ETA
 $3.99
A158
Nut-hex 3/8-24
 $4.44

Part Number:712-0241

Backorder: No ETA

Backorder: No ETA

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.44
Backorder: No ETA
 $4.44
A160
Flat Washer, .510x .750 X .033
 $7.00

Part Number:936-0108

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.00
Usually ships in 7 - 12 business days
 $7.00
A161
Frame-catcher-rr
 $41.41

Part Number:749-0764A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $41.41
Usually ships in 7 - 12 business days
 $41.41
A162
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
A163
Wire Harness Obsolete - Not Available
 $41.32

Part Number:725-1538

Discontinued

Discontinued
 $41.32
Discontinued
A164
Screw-tap .215 X 1
 $4.49

Part Number:710-0969

In Stock

In Stock

Note: If Equipped
 $4.49
In Stock
 $4.49
A165
Holder-fuse Obsolete - Not Available
 $44.23

Part Number:925-1428

Discontinued

Discontinued

Note: If Equipped
 $44.23
Discontinued
A
Fuse-7.5 Amp Obsolete - Not Available
 $4.99

Part Number:925-0298

Discontinued

Discontinued

Note: If Equipped
 $4.99
Discontinued
Page B
MTD 121-838E000 (1991) Lawn Mower Page B Diagram
 Fig #
B1
Screw-hex
 $6.28

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
 $6.28
Usually ships in 7 - 12 business days
 $6.28
B2
Washer-lock
 $4.49

Part Number:936-0329

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (for Model E633e)
 $4.49
Usually ships in 7 - 12 business days
 $4.49
B3
Upper Hsg Hf Obsolete - Not Available
 $90.76

Part Number:717-0418A

Discontinued

Discontinued
 $90.76
Discontinued
B4
#48 Sprocket 7 Tooth X 1/2 Pitch Obsolete - Not Available
 $4.99

Part Number:713-0400

Discontinued

Discontinued
 $4.99
Discontinued
B5
Washer-fl
 $4.49

Part Number:936-0336

In Stock

In Stock

Note: Use Applicable Flat Washers in This Application Allowing .006/.014 In. End-Play.
 $4.49
In Stock
 $4.49
B6
Bearing-hex Flange
 $10.48

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.
 $10.48
Usually ships in 7 - 12 business days
 $10.48
B7
Bearing-cup Hex Obsolete - Not Available
 $9.50

Part Number:16500A-0637

Discontinued

Discontinued

Note: Part of Transmission Complete, Ref. No. 36.
 $9.50
Discontinued
B8
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
B9
Bearing-thrust
 $11.50

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.
 $11.50
Usually ships in 7 - 12 business days
 $11.50
B11
Shaft-pinion 11 T Obsolete - Not Available
 $33.26

Part Number:917-1216

Discontinued

Discontinued

Note: Part of Transmission Complete, Ref. No. 36.
 $33.26
Discontinued
B12
Bearing-flange
 $4.53

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.
 $4.53
Usually ships in 7 - 12 business days
 $4.53
B13
Seal-oil-.375 Id Obsolete - Not Available
 $9.72

Part Number:721-0212

Discontinued

Discontinued

Note: Part of Transmission Complete, Ref. No. 36.
 $9.72
Discontinued
B15
Pulley Obsolete - Not Available
 $30.64

Part Number:756-0330A

Discontinued

Discontinued

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $30.64
Discontinued
B16
Washer-spring Bell
 $4.18

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $4.18
In Stock
 $4.18
B17
Nut-jam 1/4-28 Lh
 $15.12

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
 $15.12
Usually ships in 7 - 12 business days
 $15.12
B18
Spacer-shld
 $6.28

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
 $6.28
Usually ships in 7 - 12 business days
 $6.28
B19
Washer, Flat, .385 X 1.0 X .03
 $4.76

Part Number:736-0344

In Stock

In Stock

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $4.76
In Stock
 $4.76
B20
Screw-shld
 $12.81

Part Number:938-0826

In Stock

In Stock

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $12.81
In Stock
 $12.81
B21
Pulley
 $12.75

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
 $12.75
Usually ships in 7 - 12 business days
 $12.75
B22
Use 941-0556
 $18.26

Part Number:741-0556

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Not Part of Transmission Complete
 $18.26
Usually ships in 7 - 12 business days
 $18.26
B23
Washer-spring Bell
 $4.18

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $4.18
In Stock
 $4.18
B24
Bracket Assy-idler Obsolete - Not Available
 $30.51

Part Number:17052A

Discontinued

Discontinued

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $30.51
Discontinued
B25
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
B26
Extension Spring 1.12
 $3.99

Part Number:732-0357A

Backorder: No ETA

Backorder: No ETA

Note: New Part Not Part of Transmission Complete - Not Part of Transmission Complete
 $3.99
Backorder: No ETA
 $3.99
B27
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
B28
Bearing-flange
 $10.57

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.
 $10.57
Usually ships in 7 - 12 business days
 $10.57
B29
Shaft Assembly W Obsolete - Not Available
 $141.85

Part Number:717-0616A

Discontinued

Discontinued
 $141.85
Discontinued
B30
Bearing-flange
 $10.84

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.
 $10.84
Usually ships in 7 - 12 business days
 $10.84
B31
Seal-oil
 $11.44

Part Number:721-0213

In Stock

In Stock

Note: Part of Transmission Complete, Ref. No. 36.
 $11.44
In Stock
 $11.44
B32
Shaft Assembly W Obsolete - Not Available
 $141.85

Part Number:717-0616A

Discontinued

Discontinued
 $141.85
Discontinued
B33
Washer-lock #10 Obsolete - Not Available
 $6.69

Part Number:936-0722

Discontinued

Discontinued

Note: Part of Transmission Complete, Ref. No. 36.
 $6.69
Discontinued
B34
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
B35
Washer-hex Obsolete - Not Available
 $3.99

Part Number:936-0410

Discontinued

Discontinued

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $3.99
Discontinued
B36
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
B37
Cover-belt Obsolete - Not Available
 $5.46

Part Number:17064-0637

Discontinued

Discontinued
 $5.46
Discontinued
B38
Hex Index Washer Screw, 1/4-14 x .375
 $4.66

Part Number:710-0352

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
 $4.66
Usually ships in 7 - 12 business days
 $4.66
B39
Screw-hex Wash Sf
Minimum Quantity of 2 Required
 $4.44

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O. - Not Part of Transmission Complete
 $4.44
In Stock
 $4.44
B40
Hex Wash. Scr. 1/4-14 X .625
 $4.44

Part Number:710-0896

In Stock

In Stock
 $4.44
In Stock
 $4.44
B41
Nut-hex 1/4-20
 $4.55

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
 $4.55
Usually ships in 7 - 12 business days
 $4.55
B42
Washer-spring Bell
 $4.18

Part Number:736-0270

In Stock

In Stock

Note: If Equipped - Not Part of Transmission Complete
 $4.18
In Stock
 $4.18
B43
Washer-lock
 $4.49

Part Number:936-0329

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (for Model E633e) - Not Part of Transmission Complete
 $4.49
Usually ships in 7 - 12 business days
 $4.49
B44
Cable-clutch
 $41.00

Part Number:946-0710A

In Stock

In Stock

Note: Not Part of Transmission Complete - Not Part of Transmission Complete
 $41.00
In Stock
 $41.00
B45
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
B
Transmission-comp Obsolete - Not Available
 $239.49

Part Number:917-0417B

Discontinued

Discontinued

Note: (See Breakdown)
 $239.49
Discontinued
 Fig #
Lawn Mower Parts

Repair Guides for MTD Lawn Mower 121-838E000 (1991)

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How to Winterize Power Tools and Machines

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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.

Questions & Answers for 121-838E000 (1991)


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