![MTD Lawn Mower Replacement For Model 121-898B401 (1991)](images/mtd_logo.png)
MTD Lawn Mower Replacement Parts For Model 121-898B401 (1991)
![MTD 121-898B401 (1991) Lawn Mower Page A Diagram](images/mtd/121-898B401_(1991)_WW_1.gif)
![MTD 121-898B401 (1991) Lawn Mower 731-0609 OEM replacement Control Handle Ass'y. L.H.](images2/photo_not_available.png)
Part Number:731-0609
Discontinued
Part Number:710-0796
Usually ships in 7 - 12 business days
Note: (Optional Parts)
Part Number:731-1023
Usually ships in 7 - 12 business days
Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
Part Number:913-0397
Usually ships in 7 - 12 business days
Note: (Incl. Ref. 173)
Part Number:731-0817A
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 931-0524 OEM replacement Control Disc Pin](images2/photo_not_available.png)
Part Number:931-0524
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 731-0818 OEM replacement Clutch Panel Half](images2/photo_not_available.png)
Part Number:731-0818
Discontinued
Part Number:931-0972
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
Part Number:731-0982C
Usually ships in 7 - 12 business days
Note: Optional
Part Number:710-0946
Usually ships in 7 - 12 business days
Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
Part Number:749-0439E-0637
Usually ships in 7 - 12 business days
Note: (Incl. Ref. No. 9)
![MTD 121-898B401 (1991) Lawn Mower 16129A-0637 OEM replacement Bracket-panel Sup](images2/photo_not_available.png)
Part Number:16129A-0637
Usually ships in 7 - 12 business days
Note: (Optional Parts)
![MTD 121-898B401 (1991) Lawn Mower 16862 OEM replacement Panel Assy-catcher](images2/photo_not_available.png)
Part Number:16862
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 17095A-0637 OEM replacement Door-top Discharge](images2/photo_not_available.png)
Part Number:17095A-0637
Usually ships in 7 - 12 business days
Part Number:732-0483A
Usually ships in 7 - 12 business days
Note: (Optional Parts)
![MTD 121-898B401 (1991) Lawn Mower 747-0514 OEM replacement Pivot Pin .187" Dia. x 7.25" Lg.](images2/photo_not_available.png)
Part Number:747-0514
Discontinued
Part Number:710-0134
In Stock
Note: If Equipped
Part Number:710-0924
Usually ships in 7 - 12 business days
Note: Purchase Locally
Part Number:910-0289
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
Part Number:710-0751
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
Part Number:912-0287
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
Part Number:936-0329
Usually ships in 7 - 12 business days
Note: (for Model E633e)
![MTD 121-898B401 (1991) Lawn Mower 747-0705-0637 OEM replacement Frame-catcher-fr](images2/photo_not_available.png)
Part Number:747-0705-0637
Usually ships in 7 - 12 business days
Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
Part Number:753-0717
Discontinued
Note: Only Available as 753-0717 Kit
Part Number:735-0639
Discontinued
Note: (Optional)
![MTD 121-898B401 (1991) Lawn Mower 712-0109 OEM replacement Key, 3/16" x 1"](images2/photo_not_available.png)
Part Number:712-0109
Discontinued
Part Number:946-0674A
In Stock
Note: for Model 848c Only.
Part Number:16864
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 14835 OEM replacement Retaining Strip](images2/photo_not_available.png)
Part Number:14835
Discontinued
Part Number:736-0204
Usually ships in 7 - 12 business days
Note: (Optional)
![MTD 121-898B401 (1991) Lawn Mower 17055B OEM replacement Chain- Axle Ass'y.](images2/photo_not_available.png)
Part Number:17055B
Discontinued
Part Number:710-0352
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete
![MTD 121-898B401 (1991) Lawn Mower 749-0778 OEM replacement Arm-catcher Suppor](images2/photo_not_available.png)
Part Number:749-0778
Usually ships in 7 - 12 business days
Note: (Rear Discharge Models 836r, 836r 837r & 838r Only)
![MTD 121-898B401 (1991) Lawn Mower 912-0296 OEM replacement Nut Hex Lock 3/8-2](images2/photo_not_available.png)
Part Number:912-0296
Usually ships in 7 - 12 business days
Note: Models 820 Thru 829
Part Number:913-0353
Discontinued
Part Number:731-0564
Usually ships in 7 - 12 business days
Note: (Models 420r Thru 429r Only)
![MTD 121-898B401 (1991) Lawn Mower 731-0672A OEM replacement Flap-rr](images2/photo_not_available.png)
Part Number:731-0672A
Usually ships in 7 - 12 business days
Part Number:710-1025
Usually ships in 7 - 12 business days
Note: for Models 460r Thru 468r Only.
![MTD 121-898B401 (1991) Lawn Mower 736-0412 OEM replacement Bell-Wash. .46](images2/photo_not_available.png)
Part Number:736-0412
Discontinued
Part Number:748-0190
Usually ships in 7 - 12 business days
Part Number:936-0119
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
![MTD 121-898B401 (1991) Lawn Mower 16136C-0637 OEM replacement Bracket Assy-rh Hn](images2/photo_not_available.png)
Part Number:16136C-0637
Usually ships in 7 - 12 business days
Note: New Part
Part Number:16137C-0637
Usually ships in 7 - 12 business days
Note: New Part
Part Number:710-0260A
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
Part Number:710-0603
Usually ships in 7 - 12 business days
Note: For Models 147h and 149c Only.
Part Number:732-0606
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 932-0481 OEM replacement Extension Spring 3.8](images2/photo_not_available.png)
Part Number:932-0481
Discontinued
Part Number:736-0242
In Stock
Note: Not Used in This Application
![MTD 121-898B401 (1991) Lawn Mower 750-0624 OEM replacement Spacer-shld .500 X](images2/photo_not_available.png)
Part Number:750-0624
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 777-5811 OEM replacement Label *repl 777-3456 777-5772*](images2/photo_not_available.png)
Part Number:777-5811
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 738-0137 OEM replacement Shld. Scr. .342](images2/photo_not_available.png)
Part Number:738-0137
Discontinued
Part Number:734-1826
Usually ships in 7 - 12 business days
Note: for Model 848c Only.
![MTD 121-898B401 (1991) Lawn Mower 722-0139 OEM replacement Str.-foam Pvc 1.1/](images2/photo_not_available.png)
Part Number:722-0139
Usually ships in 7 - 12 business days
Note: (Top Discharge Models 175r, 176r & 177r Only)
![MTD 121-898B401 (1991) Lawn Mower 741-0486B OEM replacement Sleeve Brg. 1/2](images2/photo_not_available.png)
Part Number:741-0486B
Discontinued
Part Number:731-0880
Usually ships in 7 - 12 business days
Note: (Top Discharge Models 175r, 176r & 177r Only)
Part Number:946-0710A
In Stock
Note: Not Part of Transmission Complete
Part Number:731-0801
Discontinued
Note: (Models 460r Thru 469r Only)
![MTD 121-898B401 (1991) Lawn Mower 911-0313 OEM replacement Sleeve](images2/photo_not_available.png)
Part Number:911-0313
Usually ships in 7 - 12 business days
Note: (Used on Tractors W/Serial No. 192,001 & Above)
Part Number:712-0241
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
![MTD 121-898B401 (1991) Lawn Mower 17051B-0638 OEM replacement Deck-assembly-21in](images2/photo_not_available.png)
Part Number:17051B-0638
Usually ships in 7 - 12 business days
Part Number:753-0717
Discontinued
Note: Only Available as 753-0717 Kit
Part Number:753-0717
Discontinued
Note: Only Available as 753-0717 Kit
Part Number:731-13116-1
In Stock
Note: (Optional Parts)
Part Number:710-0841
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 710-0936 OEM replacement Screw-tap](images2/photo_not_available.png)
Part Number:710-0936
Usually ships in 7 - 12 business days
Note: For Model 134t696h190 Only
![MTD 121-898B401 (1991) Lawn Mower 720-0271 OEM replacement Engine Cover](images2/photo_not_available.png)
Part Number:720-0271
Discontinued
Note: Nla (Optional)
![MTD 121-898B401 (1991) Lawn Mower 910-0671 OEM replacement Bolt-carriage-curv](images2/photo_not_available.png)
Part Number:910-0671
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 711-0805 OEM replacement Pin-shld 3/8-24x1.](images2/photo_not_available.png)
Part Number:711-0805
Usually ships in 7 - 12 business days
Part Number:712-0711
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
![MTD 121-898B401 (1991) Lawn Mower 746-0406 OEM replacement Cable-clutch 49 In](images2/photo_not_available.png)
Part Number:746-0406
Usually ships in 7 - 12 business days
Part Number:948-0318
Usually ships in 7 - 12 business days
Note: Models 820 Thru 829
Part Number:714-0115
Usually ships in 7 - 12 business days
Part Number:910-0429
Usually ships in 7 - 12 business days
Note: (Optional Parts)
![MTD 121-898B401 (1991) Lawn Mower 731-0884 OEM replacement Deflector-side Chu](images2/photo_not_available.png)
Part Number:731-0884
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 741-0522 OEM replacement Use 941-0522](images2/photo_not_available.png)
Part Number:741-0522
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 753-0431 OEM replacement Control Housing Comp.](images2/photo_not_available.png)
Part Number:753-0431
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 17053A OEM replacement Chain Cover](images2/photo_not_available.png)
Part Number:17053A
Discontinued
Part Number:710-0599
In Stock
Note: Not Used on Units With Electric P.T.O.
![MTD 121-898B401 (1991) Lawn Mower 938-0719A OEM replacement Rear Axle Ass'y.](images2/photo_not_available.png)
Part Number:938-0719A
Discontinued
Part Number:741-0324A
Usually ships in 7 - 12 business days
Note: Models 820 Thru 829
Part Number:936-0160
In Stock
Note: (Not Part of Deck Assembly Complete)
Part Number:710-0751
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
![MTD 121-898B401 (1991) Lawn Mower 917-0417B OEM replacement Transmission-comp](images2/photo_not_available.png)
Part Number:917-0417B
Usually ships in 7 - 12 business days
Note: (See Breakdown)
![MTD 121-898B401 (1991) Lawn Mower 16500A-0637 OEM replacement Bearing-cup Hex](images2/photo_not_available.png)
Part Number:16500A-0637
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:710-0323
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
![MTD 121-898B401 (1991) Lawn Mower 731-0759 OEM replacement Plastic Tubing](images2/photo_not_available.png)
Part Number:731-0759
Discontinued
Part Number:749-0764A-0637
Usually ships in 7 - 12 business days
Note: New Part
Part Number:731-0924
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 17070-0637 OEM replacement Bracket-adj Cable](images2/photo_not_available.png)
Part Number:17070-0637
Usually ships in 7 - 12 business days
Part Number:712-0291
Usually ships in 7 - 12 business days
Note: (Optional)
Part Number:914-0507
In Stock
Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
![MTD 121-898B401 (1991) Lawn Mower 747-0684 OEM replacement Rod-shift-lh](images2/photo_not_available.png)
Part Number:747-0684
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 941-0500A OEM replacement Pulley Assy-moveab](images2/photo_not_available.png)
Part Number:941-0500A
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 756-0578 OEM replacement Fixed Pulley Adapter](images2/photo_not_available.png)
Part Number:756-0578
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 931-1137 OEM replacement Bushing-flanged](images2/photo_not_available.png)
Part Number:931-1137
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 736-0278 OEM replacement Washer-fl](images2/photo_not_available.png)
Part Number:736-0278
Usually ships in 7 - 12 business days
Note: (Not Shown)
![MTD 121-898B401 (1991) Lawn Mower 726-0175 OEM replacement Clamp](images2/photo_not_available.png)
Part Number:726-0175
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 726-0245 OEM replacement Push Cap](images2/photo_not_available.png)
Part Number:726-0245
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 17069 OEM replacement 6-Speed Cable Mtg. Brkt.](images2/photo_not_available.png)
Part Number:17069
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 928-0145 OEM replacement Rivet](images2/photo_not_available.png)
Part Number:928-0145
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 14309B OEM replacement Clutch Housing](images2/photo_not_available.png)
Part Number:14309B
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 732-0397 OEM replacement Extension Spring .35" O.D. x 1.75" Lg.](images2/photo_not_available.png)
Part Number:732-0397
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 719-0283 OEM replacement Cone-brake Cup](images2/photo_not_available.png)
Part Number:719-0283
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 741-0326 OEM replacement Steel Ball .500" Dia.](images2/photo_not_available.png)
Part Number:741-0326
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 731-0520 OEM replacement Ball Block](images2/photo_not_available.png)
Part Number:731-0520
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 14304A OEM replacement Clutching Cone](images2/photo_not_available.png)
Part Number:14304A
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 732-0396 OEM replacement Compression Spring .35" O.D. x 2.00" Lg.](images2/photo_not_available.png)
Part Number:732-0396
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 14300A OEM replacement Clutch Blade Housing Ass'y.](images2/photo_not_available.png)
Part Number:14300A
Discontinued
Part Number:941-0600
In Stock
Note: Part of Motor, Switch & Cord Ass\\\\\\\'y. Comp. (Ref. 49)
![MTD 121-898B401 (1991) Lawn Mower 812-00016 OEM replacement Blade Brake Clutch Ass'y. Comp.](images2/photo_not_available.png)
Part Number:812-00016
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 731-0607 OEM replacement Lock Pin .3/4" Dia. x 1.75" Lg.](images2/photo_not_available.png)
Part Number:731-0607
Discontinued
![MTD 121-898B401 (1991) Lawn Mower 732-0401 OEM replacement Lockout Spring](images2/photo_not_available.png)
Part Number:732-0401
Discontinued
![MTD 121-898B401 (1991) Lawn Mower Page B Diagram](images/mtd/121-898B401_(1991)_WW_2.gif)
Part Number:710-1062
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
Part Number:936-0329
Usually ships in 7 - 12 business days
Note: (for Model E633e)
![MTD 121-898B401 (1991) Lawn Mower 717-0418A OEM replacement Upper Hsg Hf](images2/photo_not_available.png)
Part Number:717-0418A
Usually ships in 7 - 12 business days
Part Number:713-0400
Discontinued
Part Number:936-0336
In Stock
Note: Use Applicable Flat Washers in This Application Allowing .006/.014 In. End-Play.
Part Number:941-0413
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
![MTD 121-898B401 (1991) Lawn Mower 16500A-0637 OEM replacement Bearing-cup Hex](images2/photo_not_available.png)
Part Number:16500A-0637
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
![MTD 121-898B401 (1991) Lawn Mower 736-0314 OEM replacement Thrust Wash. .382" I.d. X](images2/photo_not_available.png)
Part Number:736-0314
Usually ships in 7 - 12 business days
Part Number:741-0479
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:917-1216
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:748-0208A
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:721-0212
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:756-0330A
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:736-0270
In Stock
Note: If Equipped - Not part of transmission complete
Part Number:712-04326
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:738-0440
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:736-0344
In Stock
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:938-0826
In Stock
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:956-0558
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:741-0556
Usually ships in 7 - 12 business days
Note: Not part of transmission complete
Part Number:736-0270
In Stock
Note: If Equipped - Not part of transmission complete
![MTD 121-898B401 (1991) Lawn Mower 17052A OEM replacement Bracket Assy-idler](images2/photo_not_available.png)
Part Number:17052A
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
Part Number:712-0138
In Stock
Note: (Not Part of Transmission Complete) - Not part of transmission complete
Part Number:732-0357A
In Stock
Note: New Part Not Part of Transmission Complete - Not part of transmission complete
![MTD 121-898B401 (1991) Lawn Mower 717-0419B OEM replacement Lower Hsg. Half](images2/photo_not_available.png)
Part Number:717-0419B
Usually ships in 7 - 12 business days
Note: New Part
Part Number:941-0415
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
![MTD 121-898B401 (1991) Lawn Mower 717-0616A OEM replacement Shaft Assembly W](images2/photo_not_available.png)
Part Number:717-0616A
Usually ships in 7 - 12 business days
Part Number:741-0414
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:721-0213
In Stock
Note: Part of Transmission Complete, Ref. No. 36.
![MTD 121-898B401 (1991) Lawn Mower 717-0616A OEM replacement Shaft Assembly W](images2/photo_not_available.png)
Part Number:717-0616A
Usually ships in 7 - 12 business days
![MTD 121-898B401 (1991) Lawn Mower 936-0722 OEM replacement Washer-lock #10](images2/photo_not_available.png)
Part Number:936-0722
Discontinued
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:710-0651
Usually ships in 7 - 12 business days
Note: Part of Transmission Complete, Ref. No. 36.
Part Number:936-0410
Usually ships in 7 - 12 business days
Note: Not Part of Transmission Complete - Not part of transmission complete
![MTD 121-898B401 (1991) Lawn Mower 917-0417B OEM replacement Transmission-comp](images2/photo_not_available.png)
Part Number:917-0417B
Usually ships in 7 - 12 business days
Note: (See Breakdown)