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Craftsman
Walk-Behind Mower

Model # 3901 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 3901 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 354 parts  |
Rocker Arm 12631-1411-0
#10

Rocker arm - camshaft diagram

Rocker arm

Part #12631-1411-0

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

Safety Shield 65621-2151-4
#100B

Joint cover - discharge guard diagram

Safety shield

Part #65621-2151-4

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

Gasket 12191-4134-0
#30

Fuel tank diagram

Gasket

Part #12191-4134-0

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

Ball 07715-0320-5
#150

Cable - lever diagram

Ball

Part #07715-0320-5

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

Sponge 54821-2163-0
#40

Fuel tank diagram

Sponge

Part #54821-2163-0

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

Spring 12681-6628-0
#160

Rocker arm - camshaft diagram

Spring

Part #12681-6628-0

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

Label 12681-8851-0
#120

Bonnet - spark plug diagram

Label

Part #12681-8851-0

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

Nut 02114-5008-8
#80

Handle diagram

Nut

Part #02114-5008-8

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

Pin 12631-9493-0
#160

Crankcase cover diagram

Pin

Part #12631-9493-0

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

Cover 12681-1245-0
#140

Air cleaner - muffler - carburetor diagram

Cover

Part #12681-1245-0

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

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