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  MTD 21A-120R000 Tiller Parts
MTD Tiller Replacement For Model 21A-120R000

MTD Tiller Replacement Parts For Model 21A-120R000

We Sell Only Genuine MTD Parts

Find MTD 21A-120R000 Parts By Symptom

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Popular Parts for MTD 21A-120R000

Questions & Answers for MTD 21A-120R000

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Engine
Handle Bar Tine
Handle Bar Tine
Engine
MTD 21A-120R000 Tiller Engine Diagram
 Fig #
1
Air Cleaner/muffler Cover Asse
 $39.33

Part Number:753-04511

In Stock

In Stock

Note: (Includes 2 & 34)
 $39.33
In Stock
 $39.33
2
Air Cleaner Filter
 $10.10

Part Number:791-180350B

In Stock

In Stock
 $10.10
In Stock
 $10.10
3
Carburetor Mounting Screw Obsolete - Not Available
 $6.60

Part Number:791-180351

Discontinued

Discontinued
 $6.60
Discontinued
4
Washer-shake Proof
 $4.99

Part Number:936-0271

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Parts)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
5
Choke Lever Assembly
 $10.46

Part Number:753-04418

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Includes 5)
 $10.46
Usually ships in 7 - 12 business days
 $10.46
7
Choke Lever and Plate Obsolete - Not Available
 $9.78

Part Number:753-04419

Discontinued

Discontinued

Note: (Includes 6)
 $9.78
Discontinued
8
Carburetor Assembly Obsolete - Not Available
 $57.00

Part Number:791-182875

Discontinued

Discontinued

Note: (Includes 9)
 $57.00
Discontinued
9
Carburetor Gasket
 $4.99

Part Number:791-610675

In Stock

In Stock
 $4.99
In Stock
 $4.99
10
Carb Mount Screw Obsolete - Not Available
 $3.48

Part Number:791-181860

Discontinued

Discontinued
 $3.48
Discontinued
11
Primer And Hose Assembly
 $21.79

Part Number:791-683974B

In Stock

In Stock
 $21.79
In Stock
 $21.79
12
Carb Mount Assembly Obsolete - Not Available
 $32.84

Part Number:753-1196

Discontinued

Discontinued

Note: (Includes 10, 13 & 14)
 $32.84
Discontinued
13
Reed Assembly Obsolete - Not Available
 $8.54

Part Number:791-684451

Discontinued

Discontinued
 $8.54
Discontinued
14
Power Shaft Assembly Obsolete - Not Available
 $54.65

Part Number:791-182790

Discontinued

Discontinued
 $54.65
Discontinued
15
Crankcase Cover Gasket
 $17.19

Part Number:753-1208

In Stock

In Stock
 $17.19
In Stock
 $17.19
16
Crank Case Service Assembly Obsolete - Not Available
 $78.77

Part Number:791-182791

Discontinued

Discontinued

Note: (Includes 10, 14 & 24)
 $78.77
Discontinued
17
Mount Pad Obsolete - Not Available
 $6.76

Part Number:791-612134

Discontinued

Discontinued
 $6.76
Discontinued
18
Fuel Tank Assembly (Includes 16) Obsolete - Not Available
 $40.18

Part Number:753-04306

Discontinued

Discontinued
 $40.18
Discontinued
19
Fuel Cap Assembly Obsolete - Not Available
 $2.99

Part Number:791-181559

Discontinued

Discontinued
 $2.99
Discontinued
20
Line, Fuel Return
 $6.77

Part Number:791-181086

In Stock

In Stock
 $6.77
In Stock
 $6.77
21
Fuel Line And Filter
 $15.94

Part Number:791-682039

In Stock

In Stock
 $15.94
In Stock
 $15.94
22
Front Mounting Pad Obsolete - Not Available
 $6.92

Part Number:791-145308

Discontinued

Discontinued
 $6.92
Discontinued
23
Shroud Assembly Obsolete - Not Available
 $34.79

Part Number:791-683065

Discontinued

Discontinued

Note: (Includes 21)
 $34.79
Discontinued
24
Shroud Screw
 $4.99

Part Number:791-181861

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
25
Shroud Extension And Stand
 $25.18

Part Number:753-04611

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Incl. Ref No. 23)
 $25.18
Usually ships in 7 - 12 business days
 $25.18
26
Flywheel Assembly
 $73.90

Part Number:753-05240

In Stock

In Stock
 $73.90
In Stock
 $73.90
27
Spacer Obsolete - Not Available
 $8.24

Part Number:791-181065

Discontinued

Discontinued
 $8.24
Discontinued
28
Recoil Pulley Assembly
 $29.07

Part Number:753-04232

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $29.07
Usually ships in 7 - 12 business days
 $29.07
29
Recoil Spring
 $26.78

Part Number:791-613102

In Stock

In Stock
 $26.78
In Stock
 $26.78
30
Pulley Retainer Assembly Obsolete - Not Available
 $5.05

Part Number:791-181441

Discontinued

Discontinued
 $5.05
Discontinued
31
Rope Guide
 $10.63

Part Number:791-611061

In Stock

In Stock
 $10.63
In Stock
 $10.63
32
Fuel Tank Guard Assembly Obsolete - Not Available
 $13.37

Part Number:791-180317

Discontinued

Discontinued
 $13.37
Discontinued
33
Pull Handle
 $3.99

Part Number:631-04164B

In Stock

In Stock
 $3.99
In Stock
 $3.99
34
Rope
 $9.90

Part Number:791-613103

In Stock

In Stock
 $9.90
In Stock
 $9.90
35
Housing Screw
 $6.71

Part Number:791-181912

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
36
Starter Housing Assembly (Includes 22 & 26) Obsolete - Not Available
 $45.83

Part Number:791-182776

Discontinued

Discontinued
 $45.83
Discontinued
37
Wash, Clutch O.d.
 $4.99

Part Number:9162-1

In Stock

In Stock
 $4.99
In Stock
 $4.99
38
Clutch Asm Small
 $24.60

Part Number:753-05860

In Stock

In Stock

Note: New version.
 $24.60
In Stock
 $24.60
39
Clutch Drum
 $49.85

Part Number:791-153592

In Stock

In Stock

Note: Does Not Come With Clutch Assembly
 $49.85
In Stock
 $49.85
40
Clutch Cover Assembly
 $34.19

Part Number:791-180098

In Stock

In Stock

Note: (Includes 37)
 $34.19
In Stock
 $34.19
41
Screw, #8-16x.750 Ph
 $4.99

Part Number:791-181345

In Stock

In Stock
 $4.99
In Stock
 $4.99
42
Upper Clamp Assembly Obsolete - Not Available
 $15.30

Part Number:791-153597

Discontinued

Discontinued

Note: (Includes 19)
 $15.30
Discontinued
43
Module Assembly Obsolete - Not Available
 $77.23

Part Number:753-04125

Discontinued

Discontinued
 $77.23
Discontinued
44
Wire Lead Obsolete - Not Available
 $10.02

Part Number:791-181580

Discontinued

Discontinued
 $10.02
Discontinued
45
Spark Plug
 $14.46

Part Number:791-610311B

In Stock

In Stock

Note: Contents of 38cc Shortblock Asy, Pn 301284
 $14.46
In Stock
 $14.46
46
Gasket-mflr Carb
 $9.32

Part Number:753-04619

In Stock

In Stock
 $9.32
In Stock
 $9.32
47
Muffler Assembly
 $85.91

Part Number:791-182174

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Includes 43-45)
 $85.91
Usually ships in 7 - 12 business days
 $85.91
48
Muffler Mounting Bolt Obsolete - Not Available
 $4.99

Part Number:791-182464

Discontinued

Discontinued
 $4.99
Discontinued
49
Cylinder Assembly
 $81.38

Part Number:753-04814

In Stock

In Stock

Note: (Includes 47 & 49)
 $81.38
In Stock
 $81.38
50
Piston and Rod Assembly Obsolete - Not Available
 $47.86

Part Number:753-04367

Discontinued

Discontinued
 $47.86
Discontinued
51
Cylinder Gasket
 $3.99

Part Number:791-610674

In Stock

In Stock
 $3.99
In Stock
 $3.99
52
Screw, 1/4-20 X .75
 $4.99

Part Number:791-182723

In Stock

In Stock
 $4.99
In Stock
 $4.99
Handle Bar Tine
MTD 21A-120R000 Tiller Handle Bar Tine Diagram
 Fig #
1
Throttle Trigger and Cable Assembly Obsolete - Not Available
 $28.34

Part Number:791-181573

Discontinued

Discontinued
 $28.34
Discontinued
2
Handle Bar w/Clamp Assemblies Obsolete - Not Available
 $58.33

Part Number:791-180942

Discontinued

Discontinued

Note: (Includes 3-5)
 $58.33
Discontinued
3
Grip
 $11.67

Part Number:791-612831

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $11.67
Usually ships in 7 - 12 business days
 $11.67
4
Tube Closure
 $3.99

Part Number:1925

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
5
Clamp Assembly
 $16.55

Part Number:791-181503

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.55
Usually ships in 7 - 12 business days
 $16.55
6
Engine Bracket Mounting Hardware Obsolete - Not Available
 $8.20

Part Number:791-147501

Discontinued

Discontinued
 $8.20
Discontinued
7
Engine Mount Bracket, R.H. Obsolete - Not Available
 $19.37

Part Number:791-181574

Discontinued

Discontinued
 $19.37
Discontinued
8
Engine Mount Bracket, L.H. Obsolete - Not Available
 $19.37

Part Number:791-181504

Discontinued

Discontinued
 $19.37
Discontinued
9
Switch Assembly Obsolete - Not Available
 $14.56

Part Number:791-682035

Discontinued

Discontinued
 $14.56
Discontinued
11
Screw
 $4.99

Part Number:791-181811

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
12
Upper Handle Clamp
 $8.46

Part Number:791-181812

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.46
Usually ships in 7 - 12 business days
 $8.46
14
Lower Handle Clamp
 $8.58

Part Number:791-181814

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.58
Usually ships in 7 - 12 business days
 $8.58
16
Anti-rotation Screw
 $9.86

Part Number:791-145569

In Stock

In Stock
 $9.86
In Stock
 $9.86
17
Grip
 $20.70

Part Number:791-181575

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $20.70
Usually ships in 7 - 12 business days
 $20.70
18
Drive Shaft Housing Assembly Obsolete - Not Available
 $43.37

Part Number:791-180943

Discontinued

Discontinued
 $43.37
Discontinued
19
Flexible Drive Shaft Obsolete - Not Available
 $25.69

Part Number:791-181577

Discontinued

Discontinued
 $25.69
Discontinued
20
Retainer Sleeve Obsolete - Not Available
 $26.62

Part Number:791-181578

Discontinued

Discontinued

Note: (Includes 21)
 $26.62
Discontinued
21
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
22
Wheel Bracket Mounting Hardware Obsolete - Not Available
 $10.61

Part Number:791-147467

Discontinued

Discontinued
 $10.61
Discontinued
24
Guard Mounting Hardware
 $21.45

Part Number:753-04266

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.45
Usually ships in 7 - 12 business days
 $21.45
25
Wheel Bracket Assembly Obsolete - Not Available
 $20.27

Part Number:753-05020

Discontinued

Discontinued

Note: (Includes 22)
 $20.27
Discontinued
26
Wheel Assembly Obsolete - Not Available
 $21.36

Part Number:791-180944

Discontinued

Discontinued
 $21.36
Discontinued
Miscellaneous Parts
 Fig #
A-800
Engine Gasket Kit Obsolete - Not Available
 $11.23

Part Number:791-180011

Discontinued

Discontinued
 $11.23
Discontinued
A-800
O.e.m. Carburetor Repair Kit (
 $73.22

Part Number:791-180602

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $73.22
Usually ships in 7 - 12 business days
 $73.22
A-800
Carburetor Repair Kit (zama)
 $58.31

Part Number:791-180090

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $58.31
Usually ships in 7 - 12 business days
 $58.31
A-800
Gasket-diaphragm Repair Kit (w
 $40.66

Part Number:791-181069

In Stock

In Stock
 $40.66
In Stock
 $40.66
A-800
Gasket-diaphragm Repair Kit
 $33.52

Part Number:791-180091

In Stock

In Stock
 $33.52
In Stock
 $33.52
A-800
Piston Ring Obsolete - Not Available
 $14.25

Part Number:791-180530

Discontinued

Discontinued
 $14.25
Discontinued
A-800
Short Block Assembly Obsolete - Not Available
 $105.47

Part Number:753-1210

Discontinued

Discontinued
 $105.47
Discontinued
A-800
Carburetor Limiter Cap Set (Walbro) Obsolete - Not Available
 $13.00

Part Number:791-181873

Discontinued

Discontinued
 $13.00
Discontinued
A-800
Carburetor Limiter Cap Set (za
 $4.99

Part Number:791-181562

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
A-800
Crankcase Seal
 $17.20

Part Number:791-610309

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $17.20
Usually ships in 7 - 12 business days
 $17.20
A-800
Clutch Springs (qty. 2)
 $10.59

Part Number:791-181599

In Stock

In Stock
 $10.59
In Stock
 $10.59
B-10
Handle Bracket Assembly
 $44.35

Part Number:791-683295

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Incl. Ref No. 13-15 & 20)
 $44.35
Usually ships in 7 - 12 business days
 $44.35
B-23
Guard Obsolete - Not Available
 $42.88

Part Number:791-182781

Discontinued

Discontinued
 $42.88
Discontinued
B-27
Tine Fastener Assembly Obsolete - Not Available
 $8.54

Part Number:791-147473

Discontinued

Discontinued
 $8.54
Discontinued
B-28
Left Outer and Right Inner Tine Obsolete - Not Available
 $27.18

Part Number:791-182729

Discontinued

Discontinued

Note: (Left Outer or Right Inner)
 $27.18
Discontinued
B-29
Tine Assembly (Left Inner or Right Outer) Obsolete - Not Available
 $23.24

Part Number:791-182730

Discontinued

Discontinued

Note: (Left Inner or Right Outer)
 $23.24
Discontinued
B-30
Gear Box Assembly Obsolete - Not Available
 $2.99

Part Number:791-182750

Discontinued

Discontinued
 $2.99
Discontinued
Cultivator Parts

Repair Guides for MTD Tiller 21A-120R000

How to Replace the Carburetor on a Tiller

Have a old carburetor that needs replacing? The video below will illustrate how easy it is to replace the carburetor in your tiller in just minutes.

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

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

Quick Fix: How to Clean a Spark Arrestor Screen on a Small 2-Cycle Engine

This repair video will instruct you how to repair a dirty or damaged spark arrestor on your small engine.

Questions & Answers for MTD 21A-120R000

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