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

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Manufacturer substitution
This part replaces 12681-6167-0. Substitute parts can look different from the original.
This item is not returnable
In Stock
Fuel Tube 12681-4217-0
#100

Fuel tank diagram

Fuel tube

Part #12681-4217-0

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

Gear 12681-3555-0
#80

Oil filler pipe diagram

Gear

Part #12681-3555-0

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

Cover 12682-7551-0
#220

Air cleaner - muffler - carburetor diagram

Cover

Part #12682-7551-0

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

Bolt 01202-5061-6
Bolt

Part #01202-5061-6

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

Screw 12191-9121-0
#170

Recoil starter diagram

Screw

Part #12191-9121-0

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

Lawn Mower Connecting Rod 12681-2201-0
#50

Piston - crankshaft diagram

Lawn mower connecting rod

Part #12681-2201-0

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

Bolt 01153-5083-0
#150

Blade brake clutch diagram

Bolt

Part #01153-5083-0

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

Shield 65661-2154-0
#140

Joint cover - discharge guard diagram

Shield

Part #65661-2154-0

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

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