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  MTD 131-643-000 (1991) Lawn Mower Parts
MTD Lawn Mower Replacement For Model 131-643-000 (1991)

MTD Lawn Mower Replacement Parts For Model 131-643-000 (1991)

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Parts
MTD 131-643-000 (1991) Lawn Mower Parts Diagram
 Fig #
1
Hood Obsolete - Not Available
 $71.96

Part Number:15808D

Discontinued

Discontinued

Note: (Model 753 Only)
 $71.96
Discontinued
2
Screw-shldr 375x.1
 $8.78

Part Number:938-0952A

In Stock

In Stock

Note: (Models 803, 813 & 823 Only)
 $8.78
In Stock
 $8.78
3
Washer-spring
 $8.55

Part Number:736-0413

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.55
Usually ships in 7 - 12 business days
 $8.55
6
Nut-sems 10-24
 $4.13

Part Number:712-0272

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $4.13
Usually ships in 7 - 12 business days
 $4.13
8
Cable-brake
 $15.08

Part Number:727-0290A

In Stock

In Stock

Note: New Part
 $15.08
In Stock
 $15.08
9
Screw-truss Mach #
 $4.49

Part Number:710-0473

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $4.49
Usually ships in 7 - 12 business days
 $4.49
15
Lamp-12v-miniature
 $7.75

Part Number:925-0963

In Stock

In Stock

Note: (Optional)
 $7.75
In Stock
 $7.75
16
Socket-headlamp Obsolete - Not Available
 $10.97

Part Number:925-1058A

Discontinued

Discontinued

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $10.97
Discontinued
17
Housing-headlamp Obsolete - Not Available
 $29.36

Part Number:931-0705

Discontinued

Discontinued

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $29.36
Discontinued
18
Lens-headlamp-sq Obsolete - Not Available
 $9.90

Part Number:931-0706

Discontinued

Discontinued

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $9.90
Discontinued
19
Nut-lock 1/4 X 28
 $4.99

Part Number:712-0380

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Model 753 Only)
 $4.99
Usually ships in 7 - 12 business days
 $4.99
20
Hex Bolt 5/16-18 X .75
Minimum Quantity of 2 Required
 $4.33

Part Number:710-3008

In Stock

In Stock

Note: Models With Electric Pto Only
 $4.33
In Stock
 $4.33
21
Grille Obsolete - Not Available
 $111.28

Part Number:15804A

Discontinued

Discontinued

Note: Model 638
 $111.28
Discontinued
22
Dash Support Bracket Obsolete - Not Available
 $18.87

Part Number:17300E-0637

Discontinued

Discontinued
 $18.87
Discontinued
22
Washer-lock 5/16
Minimum Quantity of 2 Required
 $4.95

Part Number:936-0119

In Stock

In Stock
 $4.95
In Stock
 $4.95
22
Use 912-3010
 $5.95

Part Number:712-3010

In Stock

In Stock
 $5.95
In Stock
 $5.95
30
Grille Mount Brk't.-L.H. Obsolete - Not Available
 $4.99

Part Number:15821

Discontinued

Discontinued
 $4.99
Discontinued
31
Grille Mount Brk't.-R.H. Obsolete - Not Available
 $4.99

Part Number:15822-0637

Discontinued

Discontinued
 $4.99
Discontinued
32
Screw-hex Hd Tap
Minimum Quantity of 2 Required
 $4.40

Part Number:710-0726

In Stock

In Stock

Note: 500 & 600 Series
 $4.40
In Stock
 $4.40
36
Nut-hex 1/4-20 Obsolete - Not Available
 $5.62

Part Number:912-0287

Discontinued

Discontinued
 $5.62
Discontinued
37
Washer-lock
Minimum Quantity of 2 Required
 $5.57

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e)
 $5.57
In Stock
 $5.57
43
Fender
 $169.60

Part Number:17870C

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $169.60
Usually ships in 7 - 12 business days
 $169.60
47
Shift Cover w/Cutout Obsolete - Not Available
 $19.00

Part Number:17954B-0637

Discontinued

Discontinued

Note: New Part
 $19.00
Discontinued
53
Bracket-gas Tank S Obsolete - Not Available
 $13.34

Part Number:17633A-0637

Discontinued

Discontinued
 $13.34
Discontinued
54
Truss Mach. Scr. 1/4-20 X .75
Minimum Quantity of 2 Required
 $4.63

Part Number:710-0924

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.63
Usually ships in 7 - 12 business days
 $4.63
55
Side Cover-R.H. Obsolete - Not Available
 $38.33

Part Number:16469A

Discontinued

Discontinued

Note: (Not Shown)
 $38.33
Discontinued
55
Side Cover-L.H. Obsolete - Not Available
 $33.08

Part Number:15815A

Discontinued

Discontinued
 $33.08
Discontinued
57
Washer-fl-.28 Id X
Minimum Quantity of 2 Required
 $4.33

Part Number:736-0173

In Stock

In Stock

Note: Used With Manual Pto
 $4.33
In Stock
 $4.33
59
Control Box-thrott
 $35.24

Part Number:831-0823A

In Stock

In Stock
 $35.24
In Stock
 $35.24
60
Cable-throttle
 $19.48

Part Number:946-0500

In Stock

In Stock

Note: (B&s)
 $19.48
In Stock
 $19.48
60
Cable-throttle
 $10.90

Part Number:946-0638

In Stock

In Stock

Note: Used W/Single Cylinder Engines Only.
 $10.90
In Stock
 $10.90
63
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
64
Switch-ignition
 $38.37

Part Number:925-0267B

In Stock

In Stock

Note: New Part
 $38.37
In Stock
 $38.37
65
Dash Panel Obsolete - Not Available
 $84.96

Part Number:17295-0637

Discontinued

Discontinued
 $84.96
Discontinued
66
Switch-headlamp
 $22.24

Part Number:925-0634

In Stock

In Stock

Note: (Optional)
 $22.24
In Stock
 $22.24
67
Ammeter
 $37.50

Part Number:925-0925

In Stock

In Stock

Note: (Optional)
 $37.50
In Stock
 $37.50
68
Strip-trim 31lg
 $50.00

Part Number:731-0511-31

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $50.00
Usually ships in 7 - 12 business days
 $50.00
69
Spring Obsolete - Not Available
 $8.55

Part Number:732-0462

Discontinued

Discontinued
 $8.55
Discontinued
73
Bolt-chain Adj Obsolete - Not Available
 $3.99

Part Number:910-0749

Discontinued

Discontinued
 $3.99
Discontinued
75
Tie Strap-Grille/Side Panel Obsolete - Not Available
 $4.99

Part Number:15931

Discontinued

Discontinued

Note: (Models 803, 813 & 823 Only)
 $4.99
Discontinued
77
Screw, 1/4-20 X .750
Minimum Quantity of 2 Required
 $4.66

Part Number:710-0642

In Stock

In Stock

Note: (4 Bolts Needed for Center Auger Bracket)
 $4.66
In Stock
 $4.66
78
Strip-foam
 $5.30

Part Number:722-0157

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Only on Wheels With 8-Inch Rim
 $5.30
Usually ships in 7 - 12 business days
 $5.30
82
Control-choke
 $59.98

Part Number:946-0615A

In Stock

In Stock

Note: Used W/ Single Engine Only.
 $59.98
In Stock
 $59.98
83
Screw-truss Tap
Minimum Quantity of 2 Required
 $5.48

Part Number:710-0779A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Model 587b
 $5.48
Usually ships in 7 - 12 business days
 $5.48
86
Lens-grille Obsolete - Not Available
 $37.42

Part Number:731-0967

Discontinued

Discontinued

Note: (Optional Part)
 $37.42
Discontinued
88
Choke Retainer Obsolete - Not Available
 $4.99

Part Number:17782

Discontinued

Discontinued
 $4.99
Discontinued
89
Rubber Strip 1/2" x 21/2" Lg. Obsolete - Not Available
 $2.99

Part Number:735-0224

Discontinued

Discontinued

Note: Used W/Twin Cylinder Engine Only.
 $2.99
Discontinued
89
Muffler
 $17.89

Part Number:751-0157

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $17.89
Usually ships in 7 - 12 business days
 $17.89
89
Muffler Assy Obsolete - Not Available
 $50.83

Part Number:951-0302

Discontinued

Discontinued

Note: Used With 11.5, 12, & 12.5 H.P. B&s
 $50.83
Discontinued
89
Muffler Obsolete - Not Available
 $163.85

Part Number:951-0443A

Discontinued

Discontinued
 $163.85
Discontinued
Page B
MTD 131-643-000 (1991) Lawn Mower Page B Diagram
 Fig #
Page C
MTD 131-643-000 (1991) Lawn Mower Page C Diagram
 Fig #
Page D
MTD 131-643-000 (1991) Lawn Mower Page D Diagram
 Fig #
Page E
MTD 131-643-000 (1991) Lawn Mower Page E Diagram
 Fig #
Page F
MTD 131-643-000 (1991) Lawn Mower Page F Diagram
 Fig #
Page G
MTD 131-643-000 (1991) Lawn Mower Page G Diagram
 Fig #
Page H
MTD 131-643-000 (1991) Lawn Mower Page H Diagram
 Fig #
 Fig #
Lawn Mower Parts

Repair Guides for MTD Lawn Mower 131-643-000 (1991)

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.

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 Test a Small Engine for Spark

If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

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

Questions & Answers for MTD 131-643-000 (1991)

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