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MTD 138-643-000 (1988) (Style 3) Lawn Tractor

MTD 138-643-000 (1988) (Style 3) Lawn Tractor Parts

We Sell Only Genuine MTD Parts
Page A
 Fig #
A1
Hood Obsolete - Not Available
 $2.99

Part Number:15808

Discontinued

Discontinued

Note: Style 3 *
 $2.99
Discontinued
A2
Screw-shldr 375x.1
 $6.48

Part Number:938-0952A

In Stock

In Stock

Note: (Models 803, 813 & 823 Only)
 $6.48
In Stock
 $6.48
A3
Washer-spring
 $6.31

Part Number:736-0413

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.31
Usually ships in 7 - 12 business days
 $6.31
A4
Nut
 $4.14

Part Number:712-0798

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
 $4.14
Usually ships in 7 - 12 business days
 $4.14
A5
Use 936-0169
 $3.99

Part Number:736-0169

In Stock

In Stock
 $3.99
In Stock
 $3.99
A6
Nut-sems 10-24
 $3.76

Part Number:712-0272

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $3.76
Usually ships in 7 - 12 business days
 $3.76
A7
Washer-fl-.203 Id
 $4.23

Part Number:736-0931

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used W/ Twin Engine Only.
 $4.23
Usually ships in 7 - 12 business days
 $4.23
A8
Cable-brake
 $11.52

Part Number:727-0290A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $11.52
Usually ships in 7 - 12 business days
 $11.52
A9
Screw-truss Mach #
 $4.09

Part Number:710-0473

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $4.09
Usually ships in 7 - 12 business days
 $4.09
A10
Gauge-gas
 $29.70

Part Number:923-0333

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $29.70
Usually ships in 7 - 12 business days
 $29.70
A11
Kit-fuel Tank W/ca
 $96.93

Part Number:753-0503

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $96.93
Usually ships in 7 - 12 business days
 $96.93
A12
Cable Tie
 $25.65

Part Number:726-0230

In Stock

In Stock

Note: (Fuel Tank)
 $25.65
In Stock
 $25.65
A13
Hose Clamp-.406" Dia. Obsolete - Not Available
 $2.99

Part Number:726-0207

Discontinued

Discontinued
 $2.99
Discontinued
A14
Hose:fuel Low Perm
 $18.51

Part Number:751-10349-16

In Stock

In Stock

Note: (Cut to Required Length)
 $18.51
In Stock
 $18.51
A15
Lamp-12v-miniature
 $7.22

Part Number:925-0963

In Stock

In Stock

Note: (Optional)
 $7.22
In Stock
 $7.22
A16
Socket-headlamp
 $10.74

Part Number:925-1058A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $10.74
Usually ships in 7 - 12 business days
 $10.74
A17
Housing-headlamp
 $28.50

Part Number:931-0705

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $28.50
Usually ships in 7 - 12 business days
 $28.50
A18
Lens-headlamp-sq
 $9.61

Part Number:931-0706

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: [Used With Ref No. 40 (Models 802, 812, & 822)]
 $9.61
Usually ships in 7 - 12 business days
 $9.61
A19
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
A20
Hex Bolt 5/16-18 X .75
 $3.99

Part Number:710-3008

In Stock

In Stock

Note: Models With Electric Pto Only
 $3.99
In Stock
 $3.99
A22
Dash Support Bracket Obsolete - Not Available
 $18.87

Part Number:17300E-0637

Discontinued

Discontinued
 $18.87
Discontinued
A23
Washer-lock 5/16
 $4.60

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
 $4.60
In Stock
 $4.60
A24
Use 912-3010
 $4.16

Part Number:712-3010

In Stock

In Stock
 $4.16
In Stock
 $4.16
A25
Spacer-shld
 $2.99

Part Number:738-0759

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Models 808, 818 & 828 Only) - Style 8
 $2.99
Usually ships in 7 - 12 business days
 $2.99
A26
Box-battery W/cove
 $27.30

Part Number:731-0871B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $27.30
Usually ships in 7 - 12 business days
 $27.30
A27
Battery #12n14-3a
 $141.60

Part Number:753-0607

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Not Shown)
 $141.60
Usually ships in 7 - 12 business days
 $141.60
A28
Lower Frame Ass'y. Obsolete - Not Available
 $119.69

Part Number:15930B

Discontinued

Discontinued
 $119.69
Discontinued
A29
Bracket-pivot-fr
 $27.52

Part Number:14619A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $27.52
Usually ships in 7 - 12 business days
 $27.52
A30
Grille Mount Brk't.-L.H. Obsolete - Not Available
 $4.43

Part Number:15821

Discontinued

Discontinued
 $4.43
Discontinued
A31
Grille Mount Brk't.-R.H. Obsolete - Not Available
 $4.31

Part Number:15822-0637

Discontinued

Discontinued
 $4.31
Discontinued
A32
Hex Wash. Hd. Self-tap Scr.
 $4.09

Part Number:710-0726

In Stock

In Stock

Note: 500 & 600 Series
 $4.09
In Stock
 $4.09
A33
Running Board Rod
 $35.57

Part Number:738-0526

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $35.57
Usually ships in 7 - 12 business days
 $35.57
A34
Running Board
 $28.55

Part Number:14604E

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Nla (R.H. & L.H.) - R.H. & L.H.
 $28.55
Usually ships in 7 - 12 business days
 $28.55
A36
Nut-hex 1/4-20
 $4.15

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
 $4.15
Usually ships in 7 - 12 business days
 $4.15
A37
Washer-lock
 $4.09

Part Number:936-0329

In Stock

In Stock

Note: (for Model E633e)
 $4.09
In Stock
 $4.09
A38
Truss Mach. Scr. 5/16-18 X .75
 $4.23

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
 $4.23
Usually ships in 7 - 12 business days
 $4.23
A39
Foot Pad Obsolete - Not Available
 $7.65

Part Number:723-0360A

Discontinued

Discontinued
 $7.65
Discontinued
A40
Carriage Bolt 1/4-20 Lg.
 $3.99

Part Number:710-0134

In Stock

In Stock

Note: If Equipped
 $3.99
In Stock
 $3.99
A41
Frame-side-rh
 $89.89

Part Number:14602G-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $89.89
Usually ships in 7 - 12 business days
 $89.89
A42
Screw, 1/4-20 X 1.75
 $6.36

Part Number:710-1026

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 - Style 8
 $6.36
In Stock
 $6.36
A43
Rear Fender Obsolete - Not Available
 $99.63

Part Number:17228

Discontinued

Discontinued
 $99.63
Discontinued
A43A
Fender-rr-tailights
 $76.43

Part Number:17229

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $76.43
Usually ships in 7 - 12 business days
 $76.43
A43B
Fender Obsolete - Not Available
 $72.30

Part Number:16198A-0638

Discontinued

Discontinued

Note: Nla - Used with 40" Rear Discharge Deck Only; R.H.
 $72.30
Discontinued
A43C
Rear Fender Obsolete - Not Available
 $49.39

Part Number:15350-0638

Discontinued

Discontinued

Note: Nla - Used with 40" Rear Discharge Deck Only; L.H.
 $49.39
Discontinued
A43D
Screw-truss Mach
 $4.09

Part Number:710-0351

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used on Briggs and Stratton Engines Only
 $4.09
Usually ships in 7 - 12 business days
 $4.09
A45
Carriage Bolt 1/4-20x.50
 $4.48

Part Number:710-05177

In Stock

In Stock
 $4.48
In Stock
 $4.48
A46
External L-washer 5/16
 $3.99

Part Number:736-0607

In Stock

In Stock

Note: (Model X604g)
 $3.99
In Stock
 $3.99
A47
Shift Cover
 $40.33

Part Number:17286B-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $40.33
Usually ships in 7 - 12 business days
 $40.33
A48
Kit-safety Switch
 $13.47

Part Number:753-0579

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Reverse)
 $13.47
Usually ships in 7 - 12 business days
 $13.47
A49
Plate-insulator Nu
 $6.44

Part Number:926-0320

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $6.44
Usually ships in 7 - 12 business days
 $6.44
A50
Hitch Plate
 $71.11

Part Number:17225A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $71.11
Usually ships in 7 - 12 business days
 $71.11
A51
L.H. Side Frame Obsolete - Not Available
 $64.65

Part Number:14603G-0637

Discontinued

Discontinued
 $64.65
Discontinued
A52
Spacer
 $6.15

Part Number:950-0583

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Nla - Style 8
 $6.15
Usually ships in 7 - 12 business days
 $6.15
A54
Truss Mach. Scr. 1/4-20 X .75
 $4.23

Part Number:710-0924

In Stock

In Stock

Note: Purchase Locally
 $4.23
In Stock
 $4.23
A55
(!)clutch/brake Brkt
 $9.09

Part Number:16469

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Models 803, 813 & 823 Only) - Style 3
 $9.09
Usually ships in 7 - 12 business days
 $9.09
A55A
Side Panel Assembly.--r.h.
 $483.65

Part Number:16725

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Style 8
 $483.65
Usually ships in 7 - 12 business days
 $483.65
A55B
Side Cover-L.H. Obsolete - Not Available
 $33.08

Part Number:15815A

Discontinued

Discontinued

Note: Style 3
 $33.08
Discontinued
A55C
Side Cover-L.H. Obsolete - Not Available
 $64.00

Part Number:16721

Discontinued

Discontinued

Note: Style 8
 $64.00
Discontinued
A57
Washer-fl-.28 Id X
 $3.99

Part Number:736-0173

In Stock

In Stock

Note: Used With Manual Pto
 $3.99
In Stock
 $3.99
A58
Self-adhesive Clamp, .5
 $3.99

Part Number:726-0152

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (for Starter Cable)
 $3.99
Usually ships in 7 - 12 business days
 $3.99
A59
Throttle Box Ass Y
 $32.78

Part Number:831-0823A

In Stock

In Stock
 $32.78
In Stock
 $32.78
A60
Cable-throttle
 $14.68

Part Number:946-0500

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (B&s) - B&S
 $14.68
Usually ships in 7 - 12 business days
 $14.68
A60A
Cable-throttle
 $10.15

Part Number:946-0638

In Stock

In Stock

Note: Used W/Single Cylinder Engines Only. - Tec.
 $10.15
In Stock
 $10.15
A61
Taillight Obsolete - Not Available
 $20.05

Part Number:725-1128

Discontinued

Discontinued
 $20.05
Discontinued
A63
Key-ign (set Of Tw
 $9.33

Part Number:925-0201

In Stock

In Stock

Note: Electric Start Models Only
 $9.33
In Stock
 $9.33
A64
Switch-ignition
 $35.69

Part Number:925-0267B

In Stock

In Stock

Note: New Part
 $35.69
In Stock
 $35.69
A65
Dash Panel Obsolete - Not Available
 $84.96

Part Number:17295-0637

Discontinued

Discontinued
 $84.96
Discontinued
A66
Switch-headlamp
 $16.74

Part Number:925-0634

In Stock

In Stock

Note: (Optional)
 $16.74
In Stock
 $16.74
A67
Ammeter
 $29.21

Part Number:925-0925

In Stock

In Stock

Note: (Optional)
 $29.21
In Stock
 $29.21
A68
Strip-trim 10lg
 $18.63

Part Number:731-0511-10

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Model (14as848h022)
 $18.63
Usually ships in 7 - 12 business days
 $18.63
A69
Spring
 $8.30

Part Number:732-0462

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.30
Usually ships in 7 - 12 business days
 $8.30
A70
Seat 8-7/8in. High Obsolete - Not Available
 $199.05

Part Number:957-0378

Discontinued

Discontinued

Note: Code: N
 $199.05
Discontinued
A70A
Seat
 $254.02

Part Number:957-0360A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Model (619)
 $254.02
Usually ships in 7 - 12 business days
 $254.02
A71
Screw-tap
 $4.08

Part Number:710-0936

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Model 134t696h190 Only
 $4.08
Usually ships in 7 - 12 business days
 $4.08
A72
Nut-speed-u Type
 $6.24

Part Number:726-0139

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.24
Usually ships in 7 - 12 business days
 $6.24
A73
Bolt-chain Adj
 $3.12

Part Number:910-0749

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.12
Usually ships in 7 - 12 business days
 $3.12
A74
Screw-shld .500
 $6.31

Part Number:938-0145

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.31
Usually ships in 7 - 12 business days
 $6.31
A75
Tie Strap-Grille/Side Panel Obsolete - Not Available
 $4.49

Part Number:15931

Discontinued

Discontinued

Note: (Models 803, 813 & 823 Only)
 $4.49
Discontinued
A76
Strip-trim 10lg
 $18.63

Part Number:731-0511-10

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Model (14as848h022)
 $18.63
Usually ships in 7 - 12 business days
 $18.63
A77
Screw, 1/4-20 X .750
 $4.34

Part Number:710-0642

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (4 Bolts Needed for Center Auger Bracket)
 $4.34
Usually ships in 7 - 12 business days
 $4.34
A78
Strip-foam
 $4.05

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
 $4.05
Usually ships in 7 - 12 business days
 $4.05
A79
Screw-hex Wash Hd
 $4.17

Part Number:710-0227

In Stock

In Stock

Note: (462r, 472r)
 $4.17
In Stock
 $4.17
A82
Control-choke
 $44.27

Part Number:946-0615A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Used W/ Single Engine Only.
 $44.27
Usually ships in 7 - 12 business days
 $44.27
A83
Screw-truss Tap
 $4.05

Part Number:710-0779A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For Model 587b
 $4.05
Usually ships in 7 - 12 business days
 $4.05
A86
Lens-grille
 $36.33

Part Number:731-0967

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional Part)
 $36.33
Usually ships in 7 - 12 business days
 $36.33
A87
Pad-foot
 $28.68

Part Number:735-0689A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $28.68
Usually ships in 7 - 12 business days
 $28.68
A87A
Pad-foot
 $28.68

Part Number:735-0689A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $28.68
Usually ships in 7 - 12 business days
 $28.68
A88
Spring-extension
 $13.44

Part Number:932-0581B

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Attach the Sort End of Spring to the Notch in the Rear of Ref. No. 2 Attach the Long End to Ref. No. 1.
 $13.44
Usually ships in 7 - 12 business days
 $13.44
A89
Bracket-seat Lift
 $8.03

Part Number:17239C

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.03
Usually ships in 7 - 12 business days
 $8.03
A90
Use 938-0296
 $4.21

Part Number:738-0296

In Stock

In Stock

Note: 938-0296
 $4.21
In Stock
 $4.21
A91
Seat Pivot Brkt. Support L.H. Obsolete - Not Available
 $5.93

Part Number:17243

Discontinued

Discontinued
 $5.93
Discontinued
A92
Screw-shld .437 Di
 $6.44

Part Number:938-0155

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Units With Manual Pto.)
 $6.44
Usually ships in 7 - 12 business days
 $6.44
A93
Seat Pivot Brkt. Support R.H. Obsolete - Not Available
 $5.93

Part Number:17244

Discontinued

Discontinued
 $5.93
Discontinued
A94
Switch-spring
 $5.85

Part Number:925-1303

In Stock

In Stock

Note: (Seat-Outer)
 $5.85
In Stock
 $5.85
A95
Washer-spring
 $6.31

Part Number:936-0141

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: 936-0141
 $6.31
Usually ships in 7 - 12 business days
 $6.31
A96
Screw-hex Wash Tap
 $4.34

Part Number:710-0602

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Quantity of 3 for Model Hwt-5e Only; Quantity of 1 for Model Hwt-4
 $4.34
Usually ships in 7 - 12 business days
 $4.34
A97
Use 936-0159
 $3.99

Part Number:736-0159

In Stock

In Stock

Note: Not Used in This Application
 $3.99
In Stock
 $3.99
A98
Bushing Obsolete - Not Available
 $2.99

Part Number:722-0160

Discontinued

Discontinued
 $2.99
Discontinued
A99
Spring-compression
 $15.07

Part Number:732-0588

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $15.07
Usually ships in 7 - 12 business days
 $15.07
A100
Bracket-seat Pivot
 $71.33

Part Number:783-0039A-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: New Part
 $71.33
Usually ships in 7 - 12 business days
 $71.33
A101
Screw-hex Wash Sf
 $4.21

Part Number:710-0623

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (the Chain Case Must Be Assembled to the Frame With a 3/4" Hex Bolt, Lock Washer, and Belleville Washer as Shown.)
 $4.21
Usually ships in 7 - 12 business days
 $4.21
A102
Fiber Washer Obsolete - Not Available
 $2.99

Part Number:736-0426

Discontinued

Discontinued
 $2.99
Discontinued
 Fig #
Lawn Tractor Parts

Repair Guides for 138-643-000_(1988)_(Style_3)

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

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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.

Questions & Answers for 138-643-000_(1988)_(Style_3)


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