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Snapper
Rear-Engine Riding Mower

Model # M300919B Official Snapper rear-engine riding lawn mower

Here are the diagrams and repair parts for Official Snapper M300919B rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

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

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 470 parts  |
Clamp 1-2222
#6

Fuel tank/operators 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
Friction Rim 7053103
#3

Smooth clutch (series 17) diagram

Friction rim

Part #7053103

Replaced by #7600135YP

?
Manufacturer substitution
This part replaces 7053103. Substitute parts can look different from the original.
$46.52 | 
11% OFF Phone Price : $52.52
In Stock
Lawn Mower Wheel Assembly 7052267
#1

Wheels-front diagram

Lawn mower wheel assembly

Part #7052267

Replaced by #7052267YP

?
Manufacturer substitution
This part replaces 7052267. Substitute parts can look different from the original.
$112.52
In Stock
Filter 1-4359
#5

Fuel tank/operators 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
Nut, 5/16-24 Hex Flange Lock 1-0969
Nut, 5/16-24 hex flange lock

Part #1-0969

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

Washer, .406 I.d. X .812 O.d. X .075 Thick Flat (2) 9-1514
Washer, .406 i.d. x .812 o.d. x .075 thick flat (2)

Part #9-1514

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

Drum 17mm Brake 3-5378
Drum 17mm brake

Part #3-5378

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

Tire Chains (tires-16 X 6.50-8) (all Rear Engine Riders) 6-0357

#NI14

All parts diagram

Tire chains (tires-16 x 6.50-8) (all rear engine riders)

Part #6-0357

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

Tire Chains (tires-16 X 4.80-8) (all Rear Engine Riders) 6-0358

#NI15

All parts diagram

Tire chains (tires-16 x 4.80-8) (all rear engine riders)

Part #6-0358

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

Screw, 5/16-24 X 1-5/8" Hex Cap Special Lock (4) 1-2333
#26

Differential, r.h. fender diagram

Screw, 5/16-24 x 1-5/8" hex cap special lock (4)

Part #1-2333

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.

View all

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 charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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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 won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Read more

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 does my riding mower creep in neutral?

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

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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 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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Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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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 a mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

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Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

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…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower ignition coil

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…

Read more
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.

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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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