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Model # WM280921B Official Snapper rear-engine riding lawn mower
Here are the diagrams and repair parts for Official Snapper WM280921B rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.
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WM280921B Riding Mowers & Tractors
#5
Fuel tank & operation seat diagram
Filter
Part #1-4359
Replaced by #394358S
?
Manufacturer substitution
This part replaces 1-4359. Substitute parts can look different from the original.
This item is not returnable
$6.47 |
13% OFF Phone Price : $7.47
In Stock
#6
Fuel tank & operation seat diagram
Clamp
Part #1-2222
Replaced by #791850
?
Manufacturer substitution
This part replaces 1-2222. Substitute parts can look different from the original.
This item is not returnable
$4.74 |
17% OFF Phone Price : $5.74
In Stock
#28
Differential, r.h. fender diagram
Washer, 5/16" belleville (2)
Part #1-1782
The manufacturer no longer makes this part, and there's no substitute part
#16B
Decals diagram
Decal, caut. fuel (spanish) (not shown)
Part #7-3200
The manufacturer no longer makes this part, and there's no substitute part
#38
Belts, brakes, interlock diagram
Nut, 1/4-20 hex top lock
Part #9-0761
The manufacturer no longer makes this part, and there's no substitute part
#20
Main case diagram
Grip, shift handle
Part #2-3656
The manufacturer no longer makes this part, and there's no substitute part
#15
Main case diagram
Arm, shift handle
Part #4-0598
The manufacturer no longer makes this part, and there's no substitute part
#NI23
All parts diagram
Dethatcher (40")
Part #6-1912
The manufacturer no longer makes this part, and there's no substitute part
Decal, cpsc
Part #2-6831
The manufacturer no longer makes this part, and there's no substitute part
#1
Wheels - rear diagram
Assembly, rear tire & rim (includes items 2a, 3a & 4)
Part #5-2270
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your riding mowers & tractors
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: faulty battery, bad alternator…
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
Most common repair guides to help fix your riding mowers & tractors
These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.
![How to replace a mandrel assembly on a riding lawn mower](https://images.ctfassets.net/fpe0ec7r30ix/55gasmPaCuL51ehWRp2RMz/0f05c060cf74d567ebaa6ba08376c417/RG-RM-Replace-a-Riding-Mower-Mandrel-Assembly-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a mandrel assembly on a riding lawn mower
Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…
Repair difficulty
Time required
30 minutes or less
![How to replace the flywheel key on a riding lawn mower](https://images.ctfassets.net/fpe0ec7r30ix/4yqkYZdNOD0MXeLpL6AIii/d02d7374b9af18758e83f53859f63bff/RG-RM-Replace-a-Riding-Mower-Flywheel-Key-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace the flywheel key on a riding lawn mower
If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…
Repair difficulty
Time required
60 minutes or less
![How to replace a riding lawn mower ignition coil](https://images.ctfassets.net/fpe0ec7r30ix/4b8WVb3thzs54I8O2a6f5y/fdaa096f2ebf0924b12e7669a2445584/RG-RM-Replace-a-Riding-Mower-Ignition-Coil-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
Repair difficulty
Time required
30 minutes or less
Effective articles & videos to help repair your riding mowers & tractors
Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.
![How to enjoy all the online benefits we offer on our Sears PartsDirect website](https://images.ctfassets.net/fpe0ec7r30ix/1khJyw1eeQGvYKSbulrYWd/69493382c31bbf8d70b67fe7545f5e60/SPD_website_features.png?fm=png&w=270&h=270)
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
![Top questions about Sears and Sears PartsDirect](https://images.ctfassets.net/fpe0ec7r30ix/71r4g5Qhkmxm0giaIpcktG/e37c53ab5e6190ca17767b9872422fb8/Sears_PartsDirect_questions.png?fm=png&w=270&h=270)
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
![Riding lawn mower engine clicks but doesn't turn over video](https://images.ctfassets.net/fpe0ec7r30ix/5VAlCw3MjLe6YkXAhYreip/a1a3860a80ea82e0b0a83e5516d522f2/ART-RM-Riding-Lawn-Mower-Engine-Clicks-but-Doesn_t-Turn-Over-Video.jpg?fm=png&w=270&h=270)
Check the starter solenoid, starter motor, wiring, battery and engine.…