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Craftsman
Front-Engine Lawn Tractor

Model # 502254180 Official Craftsman 8-hp lawn mower

Here are the diagrams and repair parts for Official Craftsman 502254180 8-hp lawn mower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

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Model diagram and schematic

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Showing 10 of 324 parts  |
Ignition Switch 21064
#4

Wiring system diagram

Ignition switch

Part #21064

Replaced by #532365402

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Manufacturer substitution
This part replaces 21064. Substitute parts can look different from the original.
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$29.38 | 
17% OFF Phone Price : $35.38
In Stock
Belt 37X57
#1

Mower housing diagram

Belt

Part #37X57

Replaced by #37X57MA

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Manufacturer substitution
This part replaces 37X57. Substitute parts can look different from the original.

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$36.81 | 
14% OFF Phone Price : $42.81
In Stock
Key 91275
#5

Wiring system diagram

Key

Part #91275

Replaced by #691959

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Manufacturer substitution
This part replaces 91275. Substitute parts can look different from the original.
This item is not returnable
$11.16 | 
15% OFF Phone Price : $13.16
In Stock
Bolt STD533107
Bolt

Part #STD533107

The manufacturer no longer makes this part, and there's no substitute part

Idler Pulley 91178
#6

Mower housing diagram

Idler pulley

Part #91178

Replaced by #420613MA

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Manufacturer substitution
This part replaces 91178. Substitute parts can look different from the original.
This item is not returnable
$25.18 | 
19% OFF Phone Price : $31.18
In Stock
Lawn Mower Housing 55962E701
#22

Mower housing diagram

Lawn mower housing

Part #55962E701

Replaced by #455962MA

?
Manufacturer substitution
This part replaces 55962E701. Substitute parts can look different from the original.
$102.19 | 
11% OFF Phone Price : $114.19
In Stock
Wire 24X24
#16

Wiring system diagram

Wire

Part #24X24

Replaced by #24X24MA

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Manufacturer substitution
This part replaces 24X24. Substitute parts can look different from the original.
$14.71
In Stock
Tire 55386
#38

Steering system diagram

Tire

Part #55386

Replaced by #55700MA

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Manufacturer substitution
This part replaces 55386. Substitute parts can look different from the original.
$91.68 | 
6% OFF Phone Price : $97.68
In Stock
Spring 165X68
#32

Mower housing diagram

Spring

Part #165X68

Replaced by #165X68MA

?
Manufacturer substitution
This part replaces 165X68. Substitute parts can look different from the original.
$33.51
In Stock
Spring 165X81
#61

Drive system diagram

Spring

Part #165X81

Replaced by #165X81MA

?
Manufacturer substitution
This part replaces 165X81. Substitute parts can look different from the original.
$80.73
In Stock

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Repair difficulty
Time required
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