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Snapper
Rear-Engine Riding Mower

Model # M280921B Official Snapper rear-engine riding lawn mower

Here are the diagrams and repair parts for Official Snapper M280921B rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 462 parts  |
Clamp 1-2222
#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
Filter 1-4359
#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.
$6.67
| 
13% OFF Phone Price : $7.67
In Stock
Decal, Deflector Instruction (english/dutch) 2-9839
#24

Decals diagram

Decal, deflector instruction (english/dutch)

Part #2-9839

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

Idler Arm 4-7787
#5

Belts, brakes, interlock diagram

Idler arm

Part #4-7787

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

Decal, Caution Fuel (dutch) 2-9114
#14

Decals diagram

Decal, caution fuel (dutch)

Part #2-9114

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

Ring, 3/4" Ext. Retaining (2) 1-0746
#29

Front end steering diagram

Ring, 3/4" ext. retaining (2)

Part #1-0746

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

Bracket, Drive Support 4-7189
#5

Main case diagram

Bracket, drive support

Part #4-7189

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

Hinge Spring 1-6341
#6

Cutting decks, deflectors diagram

Hinge spring

Part #1-6341

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

Grip, Shift Handle 2-3656
#20

Main case diagram

Grip, shift handle

Part #2-3656

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

Weight (front) (all Rear Engine Riders) 6-1190

#NI12

All parts diagram

Weight (front) (all rear engine riders)

Part #6-1190

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.

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator...

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components...

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly...

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Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma...

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How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim...

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Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, ...

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a...

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment...

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Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, ...

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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.

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How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac...

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Repair difficulty
Time required
30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes....

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Repair difficulty
Time required
60 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one....

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Repair difficulty
Time required
60 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine....

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