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Snapper
Rear-Engine Riding Mower

Model # HZS15421KVE Official Snapper riding lawn mower

Here are the diagrams and repair parts for Official Snapper HZS15421KVE riding lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 539 parts  |
Blade 2-6691
#6

42" mower deck diagram

Blade

Part #2-6691

Replaced by #7026691BZYP

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Manufacturer substitution
This part replaces 2-6691. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$27.69 | 
18% OFF Phone Price : $33.69
In Stock
Clamp 1-2222
#20

Engine 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
Lube Fitting 1-3864
Lube fitting

Part #1-3864

Replaced by #7013864SM

?
Manufacturer substitution
This part replaces 1-3864. Substitute parts can look different from the original.
This item is not returnable
$6.23
In Stock
Hjn, 3/4f Gr 74467
#20

42" mower deck diagram

Hjn, 3/4f gr

Part #74467

Replaced by #7074467SM

?
Manufacturer substitution
This part replaces 74467. Substitute parts can look different from the original.
This item is not returnable
$7.37
In Stock
Wiring Harness (briggs 18hp) (same Except L & M Plug) 4-2966
#1A

Electrical components diagram

Wiring harness (briggs 18hp) (same except l & m plug)

Part #4-2966

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

Screw, 1/4-20 X 1/2" Hex Self-tapping (6) 9-0539
#4

Fender/transaxle diagram

Screw, 1/4-20 x 1/2" hex self-tapping (6)

Part #9-0539

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

Nut, 1/2-20 Hex (2) 9-1939
#10

33" spindle diagram

Nut, 1/2-20 hex (2)

Part #9-1939

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

Rim, 18 X 6.50 (33" Models) 3-5427
#3A

Wheels - rear diagram

Rim, 18 x 6.50 (33" models)

Part #3-5427

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

Shield, Engine Speed Control Heat 7-2176
#39

Engine diagram

Shield, engine speed control heat

Part #7-2176

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

Duct, Right Hand (briggs 14hp) 4-2825
#34

Engine diagram

Duct, right hand (briggs 14hp)

Part #4-2825

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 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 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 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 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 creep in neutral?

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

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

Main causes: faulty battery, bad alternator…

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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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