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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Showing 10 of 357 parts  |

Knob 12681-6167-0
#130

Recoil starter diagram

Knob

Part #12681-6167-0

Replaced by #31-904

?
Manufacturer substitution
This part replaces 12681-6167-0. Substitute parts can look different from the original.
This item is not returnable
In Stock
Control Cable 65661-4218-0
#80

Cable - lever diagram

Control cable

Part #65661-4218-0

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

Gasket 12681-3312-0
#20

Oil filler pipe diagram

Gasket

Part #12681-3312-0

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

Spring 12681-4454-0
#120

Carburetor (component parts) diagram

Spring

Part #12681-4454-0

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

Tappet 12681-1555-0
#100

Rocker arm - camshaft diagram

Tappet

Part #12681-1555-0

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

Intake Valve 12681-1311-0
#100

Crankcase cover diagram

Intake valve

Part #12681-1311-0

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

Ring 12681-4532-0
#280

Carburetor (component parts) diagram

Ring

Part #12681-4532-0

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

Model Mark 12683-8841-0
#110A

Bonnet - spark plug diagram

Model mark

Part #12683-8841-0

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

Lever 65601-3123-0
#70

Front wheel (8x2.0) diagram

Lever

Part #65601-3123-0

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

Shim 12681-2363-0
#120A

Piston - crankshaft diagram

Shim

Part #12681-2363-0

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

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