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Tecumseh H25-25139G 4-cycle engine Parts
Here are the diagrams and repair parts for Tecumseh H25-25139G 4-cycle engine, as well as links to manuals and error code tables, if available.
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Browse Parts for H25-25139G 4-Cycle Engine
Basic engine diagram
Spring
Part #31672
The manufacturer no longer makes this part, and there's no substitute part
Magneto no. 610690a diagram
Breaker Assembly
Part #30547A
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Cap
Part #31673
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Nut
Part #650607
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Pipe Plug
Part #27642
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Flat Washer
Part #650490
The manufacturer no longer makes this part, and there's no substitute part
Carburetor no. 630989 diagram
Screw
Part #650545
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Lifter
Part #27241
The manufacturer no longer makes this part, and there's no substitute part
Magneto no. 610690a diagram
Cover
Part #30550
The manufacturer no longer makes this part, and there's no substitute part
Carburetor no. 630989 diagram
Shutter
Part #630758
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
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…
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 lawn & garden engines
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn about the main parts of a lawn mower and when to replace parts.…
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