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Craftsman 3934 lawn mower Parts
Here are the diagrams and repair parts for Craftsman 3934 lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for 3934 Walk-Behind Mowers
Rear axle assembly diagram
Washer
Part #65-4760Replaced by #65-4760
Manufacturer substitutionThis part replaces 65-4760. Substitute parts can look different from the original.This item is not returnableIn Stock$27.95
Qty
2 cycle engine assembly diagram
Upper Main B
Part #681830Replaced by #681830
Manufacturer substitutionThis part replaces 681830. Substitute parts can look different from the original.In Stock$111.96QtyGrommet
Part #604604Replaced by #94-1610
Manufacturer substitutionThis part replaces 604604. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16Qty2 cycle engine assembly diagram
High Tension Lead
Part #684179Replaced by #684179
Manufacturer substitutionThis part replaces 684179. Substitute parts can look different from the original.In Stock$104.94QtyRear axle assembly diagram
Bushing
Part #70-9760Replaced by #70-9760
Manufacturer substitutionThis part replaces 70-9760. Substitute parts can look different from the original.In Stock$32.08Qty2 cycle engine assembly diagram
Spacer
Part #612503Replaced by #612503
Manufacturer substitutionThis part replaces 612503. Substitute parts can look different from the original.In Stock$30.53QtyDecal Hoc
Part #92-2915Replaced by #92-2915
Manufacturer substitutionThis part replaces 92-2915. Substitute parts can look different from the original.In Stock$35.68Qty2 cycle engine assembly diagram
Liner
Part #677982Replaced by #677982
Manufacturer substitutionThis part replaces 677982. Substitute parts can look different from the original.In Stock$119.70Qty2 cycle engine, fuel tank & blade assembly diagram
Fuel Cover
Part #614271Replaced by #614271
Manufacturer substitutionThis part replaces 614271. Substitute parts can look different from the original.In Stock$11.60Qty2 cycle engine, fuel tank & blade assembly diagram
Walk-behind Lawn Mower Engine Pulley
Part #614657Replaced by #92-6542
Manufacturer substitutionThis part replaces 614657. Substitute parts can look different from the original.In Stock$189.55Qty
Most common symptoms to help you fix your walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Repair guides for gas walk-behind mowers
These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.
How to replace a lawn mower front deck tray
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower transmission
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine
When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…
Repair time and Difficulty
45 minutes or less
Effective articles & videos to help repair your walk-behind mowers
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
Learn about the top 10 must-have electric lawn & garden tools for 2023…
Learn about the different kinds of mower blades and how to maintain them.…
Parts & More
Air Handler
Bottom-Mount Refrigerator
Central Air Conditioner
Compact Stereo System
Front-Engine Lawn Tractor
Gas Cooktop
Gas Walk-Behind Mower
Microwave
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Rear-Engine Riding Mower
Upright Freezer