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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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Showing 10 of 357 parts  |
Washer 04013-5008-0
Washer

Part #04013-5008-0

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

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
$3.66
In Stock
Lever 65661-4211-0
#10

Cable - lever diagram

Lever

Part #65661-4211-0

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

Gasket 12681-0118-0
#20

Crankcase cover diagram

Gasket

Part #12681-0118-0

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

Stopper 12191-5746-0
#290

Governor diagram

Stopper

Part #12191-5746-0

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

Wheel 65601-3210-2
#10

Rear wheel (8x2.0) diagram

Wheel

Part #65601-3210-2

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

Seal 12681-2355-0
#110

Piston - crankshaft diagram

Seal

Part #12681-2355-0

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

Ring Assembly 12681-2109-0
#20A

Piston - crankshaft diagram

Ring assembly

Part #12681-2109-0

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

Bolt 01053-5050-8
#280

Governor diagram

Bolt

Part #01053-5050-8

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

Shim 12681-1662-0
#200

Rocker arm - camshaft diagram

Shim

Part #12681-1662-0

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

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