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Craftsman 3938 lawn mower Parts
Here are the diagrams and repair parts for Craftsman 3938 lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for 3938 Walk-Behind Mowers
4 cycle engine, fuel tank & blade assembly diagram
Screw Engine
Part #92-1624Replaced by #95-1726
Manufacturer substitutionThis part replaces 92-1624. Substitute parts can look different from the original.In Stock$27.62
Qty
Handle assembly diagram
Brake Cable
Part #92-1044Replaced by #92-9589
Manufacturer substitutionThis part replaces 92-1044. Substitute parts can look different from the original.In Stock$202.24QtyDeck & wheel assembly (hand push) diagram
Nut
Part #3296-39Replaced by #3296-39
Manufacturer substitutionThis part replaces 3296-39. Substitute parts can look different from the original.In Stock$28.46QtyGear case assembly diagram
Out Shaft
Part #614666Replaced by #104-7670
Manufacturer substitutionThis part replaces 614666. Substitute parts can look different from the original.In Stock$281.75QtyRear axle assembly diagram
Ring
Part #65-4710Replaced by #65-4710
Manufacturer substitutionThis part replaces 65-4710. Substitute parts can look different from the original.This item is not returnableIn Stock$29.66QtyGear case assembly diagram
Bearing
Part #38-7820Replaced by #38-7820
Manufacturer substitutionThis part replaces 38-7820. Substitute parts can look different from the original.In Stock$48.57QtyGear case assembly diagram
Half Pulley
Part #614669Replaced by #614669
Manufacturer substitutionThis part replaces 614669. Substitute parts can look different from the original.In Stock$67.47QtyDeck & wheel assembly (self propelled) diagram
Grommet
Part #605120Replaced by #605120
Manufacturer substitutionThis part replaces 605120. Substitute parts can look different from the original.In Stock$32.03QtyGear case assembly diagram
Gear 34t
Part #614596Replaced by #614596
Manufacturer substitutionThis part replaces 614596. Substitute parts can look different from the original.In Stock$131.32Qty4 cycle engine, fuel tank & blade assembly diagram
Collar Plate
Part #677525Replaced by #677525
Manufacturer substitutionThis part replaces 677525. Substitute parts can look different from the original.In Stock$127.44Qty
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.…
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