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Husqvarna
Rear-Engine Riding Mower

Model # Z254-96784460100 Official Husqvarna zero turn mower

Here are the diagrams and repair parts for Official Husqvarna Z254-96784460100 zero turn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 275 parts  |
Lawn Tractor Self-tapping Bolt (replaces 173984) 584953901
#36

Mower deck/cutting deck diagram

Lawn tractor self-tapping bolt (replaces 173984)

Part #584953901

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Lawn Tractor Starter Solenoid (replaces 582042801) 582042802
#20

Ignition system diagram

Lawn tractor starter solenoid (replaces 582042801)

Part #582042802

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Lawn Tractor Shoulder Bolt (replaces 193406, 532137644) 596434404
#34

Mower deck/cutting deck diagram

Lawn tractor shoulder bolt (replaces 193406, 532137644)

Part #596434404

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Lawn Tractor Deflector Shield Hinge Rod (replaces 131491) 595297001
#13

Mower deck/cutting deck diagram

Lawn tractor deflector shield hinge rod (replaces 131491)

Part #595297001

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Ignition.swi 539107541
#7

Ignition system diagram

Ignition.swi

Part #539107541

Replaced by #175566

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Manufacturer substitution
This part replaces 539107541. Substitute parts can look different from the original.
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Lawn Tractor Flange Nut, 9/16-in (replaces 400234) 596134801
#43

Mower deck/cutting deck diagram

Lawn tractor flange nut, 9/16-in (replaces 400234)

Part #596134801

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Lawn & Garden Equipment Washer (replaces 19121414, 539990692, 819121414) 596134901
#33

Engine mounting/guards/muffler diagram

Lawn & garden equipment washer (replaces 19121414, 539990692, 819121414)

Part #596134901

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Lawn Tractor Hex Lock Nut (replaces 873800500, Std541431) 596040501
#42

Mower deck/cutting deck diagram

Lawn tractor hex lock nut (replaces 873800500, std541431)

Part #596040501

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Lawn Tractor Deflector Shield (replaces 187257x428, 5321872-57, 539112054) 532187257
#11

Mower deck/cutting deck diagram

Lawn tractor deflector shield (replaces 187257x428, 5321872-57, 539112054)

Part #532187257

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Lawn Tractor Ground Drive Belt, 1/2 X 56-5/16-in (replaces 5391104-11) 539110411
#5

Hydraulic pump-motor diagram

Lawn tractor ground drive belt, 1/2 x 56-5/16-in (replaces 5391104-11)

Part #539110411

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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…

Read more

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…

Read more

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…

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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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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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