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MTD Lawn Mower Parts 1991
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MTD Lawn Mower Replacement  For Model 121-524R000 (1991)

MTD Lawn Mower Replacement Parts For Model 121-524R000 (1991)

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Page A
MTD 121-524R000 (1991) Lawn Mower Page A Diagram
 Fig #
A1
Hex Bolt 1/4-20 X 1.25 Lg.
 $3.99

Part Number:710-0106

In Stock

In Stock
 $3.99
In Stock
 $3.99
A2
L-wash. 1/4-inch I.d.
 $3.99

Part Number:726-0329

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
A3
Upper Hsg Hf Obsolete - Not Available
 $90.76

Part Number:717-0418A

Discontinued

Discontinued
 $90.76
Discontinued
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
 $4.49

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
A6
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
A7
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
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
 $11.50

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
A11
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
A12
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
A13
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
A15
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
A16
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
A17
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
A18
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
A19
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
A20
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
A21
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
A22
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
A23
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
A24
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
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

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
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
 $10.57

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
A29
Shaft Assembly W Obsolete - Not Available
 $141.85

Part Number:717-0616A

Discontinued

Discontinued
 $141.85
Discontinued
A30
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
A31
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
A32
Shaft Assembly W Obsolete - Not Available
 $141.85

Part Number:717-0616A

Discontinued

Discontinued
 $141.85
Discontinued
A33
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
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 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
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 Obsolete - Not Available
 $5.46

Part Number:17064-0637

Discontinued

Discontinued
 $5.46
Discontinued
A38
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
A39
Screw-hex Wash Sf
 $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
A40
Hex Wash. Scr. 1/4-14 X .625
 $4.44

Part Number:710-0896

In Stock

In Stock
 $4.44
In Stock
 $4.44
A41
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
A42
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
A43
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
A44
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
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 Obsolete - Not Available
 $239.49

Part Number:917-0417B

Discontinued

Discontinued

Note: (See Breakdown)
 $239.49
Discontinued
Page B
MTD 121-524R000 (1991) Lawn Mower Page B Diagram
 Fig #
B1
Control Handle
 $23.41

Part Number:747-0748

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.41
Usually ships in 7 - 12 business days
 $23.41
B1A
Control Handle
 $23.41

Part Number:747-0748

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.41
Usually ships in 7 - 12 business days
 $23.41
B2
Foam Grip - 9
 $7.39

Part Number:720-0294A

In Stock

In Stock

Note: (2 Required)
 $7.39
In Stock
 $7.39
B3
Upper Handle
 $18.85

Part Number:749-0757

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.85
Usually ships in 7 - 12 business days
 $18.85
B4
Hex Bolt 1/4-20 X 1.875-inch L
 $3.99

Part Number:710-1216

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
B5
Cable Mounting Bracket Obsolete - Not Available
 $3.57

Part Number:17174

Discontinued

Discontinued
 $3.57
Discontinued
B6
Cable-control
 $26.11

Part Number:946-0553

In Stock

In Stock

Note: (030, 040)
 $26.11
In Stock
 $26.11
B7
Washer-spring
 $4.01

Part Number:936-0175

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $4.01
Usually ships in 7 - 12 business days
 $4.01
B8
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
B9
Lever-control
 $15.65

Part Number:731-0620A

In Stock

In Stock

Note: (Not Shown)
 $15.65
In Stock
 $15.65
B10
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
B11
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
B12
S.p. Adj. Cable-44 Lg.
 $18.85

Part Number:746-0712A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.85
Usually ships in 7 - 12 business days
 $18.85
B13
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
B14
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
B15
Bolt-carriage-curv Obsolete - Not Available
 $3.99

Part Number:910-0671

Discontinued

Discontinued
 $3.99
Discontinued
B16
Use 912-3010
 $4.48

Part Number:712-3010

In Stock

In Stock
 $4.48
In Stock
 $4.48
B17
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
B18
Rope-guide Eyebolt
 $4.07

Part Number:710-1205

In Stock

In Stock

Note: (Model 959 Only)
 $4.07
In Stock
 $4.07
B19
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
B20
Handle-lower
 $34.18

Part Number:749-0928A-0637

In Stock

In Stock

Note: New Part
 $34.18
In Stock
 $34.18
B21
Wheel Cover Obsolete - Not Available
 $10.14

Part Number:14967

Discontinued

Discontinued
 $10.14
Discontinued
B23
Hex Bolt 1/4-20 X .75 Lg. (gr
 $3.99

Part Number:710-0812

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
B24
Washer-spring Bell
 $4.18

Part Number:736-0270

In Stock

In Stock

Note: If Equipped
 $4.18
In Stock
 $4.18
B25
Rachet-wheel Obsolete - Not Available
 $20.35

Part Number:748-0312

Discontinued

Discontinued
 $20.35
Discontinued
B26
Pawl
 $16.02

Part Number:748-0315

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.02
Usually ships in 7 - 12 business days
 $16.02
B27
Nut-hex 5/16-18 Obsolete - Not Available
 $4.99

Part Number:912-0329

Discontinued

Discontinued

Note: Nut - Hex Lock 5/16-24 Unjc
 $4.99
Discontinued
B28
Bearing-flange Obsolete - Not Available
 $10.58

Part Number:941-0485

Discontinued

Discontinued
 $10.58
Discontinued
B29
Rim Ass'y. Only 16" X 2.1 Obsolete - Not Available
 $88.80

Part Number:734-1399

Discontinued

Discontinued
 $88.80
Discontinued
B30
Rim Strip Obsolete - Not Available
 $3.99

Part Number:734-1400

Discontinued

Discontinued
 $3.99
Discontinued
B31
Tube- Obsolete - Not Available
 $22.05

Part Number:734-1397

Discontinued

Discontinued
 $22.05
Discontinued
B32
Tire-16 X 2.125 Obsolete - Not Available
 $46.42

Part Number:734-1396

Discontinued

Discontinued
 $46.42
Discontinued
B33
Washer-intern
 $4.84

Part Number:936-0104

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.84
Usually ships in 7 - 12 business days
 $4.84
B34
Hex Bolt 5/16-18 X .1in. Lg. (
 $4.21

Part Number:710-0376

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
 $4.21
In Stock
 $4.21
B35
Spark Plug Boot Obsolete - Not Available
 $2.99

Part Number:735-0639

Discontinued

Discontinued

Note: (Optional)
 $2.99
Discontinued
B36
Kit-blade Adapter- Obsolete - Not Available
 $47.20

Part Number:753-0485

Discontinued

Discontinued

Note: Used With Splined Crankshaft
 $47.20
Discontinued
B37
Blade-22in Obsolete - Not Available
 $21.93

Part Number:942-0622

Discontinued

Discontinued

Note: Blade Secured by 3 Bolts.
 $21.93
Discontinued
B38
Washer-bell Obsolete - Not Available
 $3.99

Part Number:936-0453

Discontinued

Discontinued

Note: Used With Splined Crankshaft
 $3.99
Discontinued
B39
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
B40
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
B41
Use 936-0169
 $3.99

Part Number:736-0169

Backorder: No ETA

Backorder: No ETA
 $3.99
Backorder: No ETA
 $3.99
B42
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
B43
Pulley Half - 2 Reqd. Obsolete - Not Available
 $124.55

Part Number:956-0502

Discontinued

Discontinued

Note: (Used W/Splined Adapter)
 $124.55
Discontinued
B44
Washer-bell 1.008x Obsolete - Not Available
 $3.99

Part Number:936-0450

Discontinued

Discontinued

Note: Used W/Splined Adapter
 $3.99
Discontinued
B45
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
B46
Bearing-ball Obsolete - Not Available
 $19.26

Part Number:941-0180

Discontinued

Discontinued

Note: (106f)
 $19.26
Discontinued
B47
Washer-bell .400 I
 $4.57

Part Number:736-0105

In Stock

In Stock

Note: For Models 586, 587b & 588
 $4.57
In Stock
 $4.57
B48
Use 938-0507b
 $4.99

Part Number:738-0507B

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
B49
Lever & Knob Assy.
 $10.92

Part Number:94832

In Stock

In Stock

Note: (Incl #36)
 $10.92
In Stock
 $10.92
B50
Pivot Bar
 $15.65

Part Number:15262B

In Stock

In Stock
 $15.65
In Stock
 $15.65
B51
Plate-hight Adjustme
 $12.19

Part Number:787-01290A

In Stock

In Stock
 $12.19
In Stock
 $12.19
B52
Kit-wheel 8 X 2 Bb
 $46.02

Part Number:753-08093

Backorder: No ETA

Backorder: No ETA

Note: (Kit Contains Hubcap)
 $46.02
Backorder: No ETA
 $46.02
B52A
Wheel-comp Gray Pl
 $34.23

Part Number:734-1826

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Model 848c Only.
 $34.23
Usually ships in 7 - 12 business days
 $34.23
B53
Adjuster Kit-heigh
 $66.29

Part Number:753-06761

In Stock

In Stock
 $66.29
In Stock
 $66.29
B53A
Adjuster Kit-heigh
 $66.29

Part Number:753-06761

In Stock

In Stock
 $66.29
In Stock
 $66.29
B54
Washer-bell Obsolete - Not Available
 $6.93

Part Number:936-0356

Discontinued

Discontinued

Note: for Faster Service, Please Obtain Standard Fasteners Locally. if These Are Not Available, Please Order at White Outdoor by the P
 $6.93
Discontinued
B55
Nut
 $4.44

Part Number:712-0798

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
 $4.44
In Stock
 $4.44
B56
N/638 22" Deck Ass'y. Obsolete - Not Available
 $59.89

Part Number:682-0001

Discontinued

Discontinued
 $59.89
Discontinued
B57
Deflector Asm-chut
 $73.53

Part Number:931-1034B

In Stock

In Stock

Note: (if Equipped)
 $73.53
In Stock
 $73.53
B58
Pin-hinge
 $4.44

Part Number:747-0710A

In Stock

In Stock

Note: (Used With Plastic Chute Deflector)
 $4.44
In Stock
 $4.44
B59
Spring-torsion
 $4.99

Part Number:932-0593

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Used With Plastic Chute Deflector)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
B60
Plate-adapter Obsolete - Not Available
 $11.48

Part Number:17032A

Discontinued

Discontinued

Note: (Used With Plastic Chute Deflector)
 $11.48
Discontinued
B61
Screw-hex Wash Sf
 $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
B62
Use 936-0232
 $4.63

Part Number:736-0232

In Stock

In Stock

Note: (Used W/Steel Wheel)
 $4.63
In Stock
 $4.63
B63
Hub Cap-grey
 $10.65

Part Number:731-0981C

In Stock

In Stock

Note: (if Equipped)
 $10.65
In Stock
 $10.65
B63A
Hub Cap Obsolete - Not Available
 $4.99

Part Number:920-0249

Discontinued

Discontinued

Note: Hub Cap
 $4.99
Discontinued
B64
Screw-hex
 $4.32

Part Number:710-0654A

In Stock

In Stock

Note: Code 665
 $4.32
In Stock
 $4.32
B65
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
B66
Bracket Assy-rh Hn Obsolete - Not Available
 $26.37

Part Number:16136C-0637

Discontinued

Discontinued

Note: New Part
 $26.37
Discontinued
B67
Spacer-shld .500 X Obsolete - Not Available
 $4.99

Part Number:750-0624

Discontinued

Discontinued
 $4.99
Discontinued
B68
Washer-bell .337 X
 $4.32

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application
 $4.32
In Stock
 $4.32
B69
Use 914-0104
 $4.49

Part Number:714-0104

In Stock

In Stock

Note: for Models 1463834h & 146w834p Only
 $4.49
In Stock
 $4.49
B70
Engine Mounting Fram Ass'y. Obsolete - Not Available
 $12.52

Part Number:16563A

Discontinued

Discontinued
 $12.52
Discontinued
B71
Rear Flap
 $18.34

Part Number:731-1172

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.34
Usually ships in 7 - 12 business days
 $18.34
B72
Control-throttle
 $44.99

Part Number:946-0821A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (for B&s Quantum Engines)
 $44.99
Usually ships in 7 - 12 business days
 $44.99
B73
Use 938-0102
 $10.62

Part Number:738-0102

In Stock

In Stock

Note: (282 Only)
 $10.62
In Stock
 $10.62
B74
Grip
 $14.85

Part Number:720-0223

In Stock

In Stock
 $14.85
In Stock
 $14.85
B75
Lever-hgt Adj Obsolete - Not Available
 $11.31

Part Number:732-0655

Discontinued

Discontinued
 $11.31
Discontinued
B76
Handle Brkt. Ass'y. -L.H. Obsolete - Not Available
 $47.55

Part Number:682-3004-0637

Discontinued

Discontinued
 $47.55
Discontinued
B77
Belt-v 3/8 X 32.2
 $30.77

Part Number:954-0369

In Stock

In Stock
 $30.77
In Stock
 $30.77
B78
Transmission-comp Obsolete - Not Available
 $239.49

Part Number:917-0417B

Discontinued

Discontinued

Note: (See Breakdown)
 $239.49
Discontinued
B79
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
B80
Hex Wash. Scr. 1/4-14 X .625
 $4.44

Part Number:710-0896

In Stock

In Stock
 $4.44
In Stock
 $4.44
B81
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
B82
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
B83
Wheel Assembly. Comp.
 $140.48

Part Number:734-1398

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $140.48
Usually ships in 7 - 12 business days
 $140.48
B84
Sprocket And Axle Assembly.
 $71.51

Part Number:713-0425

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $71.51
Usually ships in 7 - 12 business days
 $71.51
B85
Washer-fl
 $7.19

Part Number:936-0256

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.19
Usually ships in 7 - 12 business days
 $7.19
B86
Chaincase And Arm Assembly.
 $56.08

Part Number:682-7501

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $56.08
Usually ships in 7 - 12 business days
 $56.08
B87
#48 Chain 1/2 Pitc Obsolete - Not Available
 $16.34

Part Number:713-0135

Discontinued

Discontinued
 $16.34
Discontinued
B88
N/638 Rear Drive Support Ass'y. Obsolete - Not Available
 $2.99

Part Number:682-7500

Discontinued

Discontinued
 $2.99
Discontinued
B89
Screw-hex Wash Sf
 $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
B91
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
B92
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
B93
Spacer-.630 X 1.25
 $3.99

Part Number:748-0313

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
B94
Fl-wash. .385 I.d. X .87
 $4.99

Part Number:736-0300

In Stock

In Stock
 $4.99
In Stock
 $4.99
B95
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
B96
Hex Bolt 3/8-16 X .62-inch Lg.
 $3.99

Part Number:710-0201

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
B97
Nut-hex Lock
 $4.95

Part Number:912-0431

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washer Locally. if These Items Cannot Be Obtained Locally, Order by Part Numb
 $4.95
In Stock
 $4.95
B99
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
B100
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
B101
Washer-fl .632 I Obsolete - Not Available
 $3.99

Part Number:736-0302

Discontinued

Discontinued
 $3.99
Discontinued
B102
Spacer
 $5.57

Part Number:750-0547

In Stock

In Stock
 $5.57
In Stock
 $5.57
B103
Washer-lock 5/16
 $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
B104
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
 Fig #
Lawn Mower Parts

Repair Guides for MTD Lawn Mower 121-524R000 (1991)

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.

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.

Questions & Answers for 121-524R000 (1991)


No questions have been asked yet
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