Husqvarna
Rear-Engine Riding Mower

Model # MZ5225ZT-966690501 Official Husqvarna zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna MZ5225ZT-966690501 zero-turn 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 337 parts  |

Washer Screw 539107630
Washer screw

Part #539107630

Replaced by #584953901

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Manufacturer substitution
This part replaces 539107630. Substitute parts can look different from the original.
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$5.31
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Craftsman Lawn Tractor Shoulder Bolt 539107608
Craftsman lawn tractor shoulder bolt

Part #539107608

Replaced by #596434404

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Manufacturer substitution
This part replaces 539107608. Substitute parts can look different from the original.
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$6.64
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Lawn Tractor Washer 539990118
#20

Hydraulic pump-motor diagram

Lawn tractor washer

Part #539990118

Replaced by #596238701

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Manufacturer substitution
This part replaces 539990118. Substitute parts can look different from the original.
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$5.31
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Lawn Tractor Washer 539990122
Lawn tractor washer

Part #539990122

Replaced by #596565301

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Manufacturer substitution
This part replaces 539990122. Substitute parts can look different from the original.
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In Stock
Lawn Tractor Parking Brake Switch 539113792
#7

Electrical diagram

Lawn tractor parking brake switch

Part #539113792

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$19.98
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Idler Pulley 539107620
Idler pulley

Part #539107620

Replaced by #596481401

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Manufacturer substitution
This part replaces 539107620. Substitute parts can look different from the original.
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Craftsman Lawn Tractor Seat Spring 539110300
#10

Seat diagram

Craftsman lawn tractor seat spring

Part #539110300

Replaced by #587613301

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Manufacturer substitution
This part replaces 539110300. Substitute parts can look different from the original.
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Roller Rod 532179127
Roller rod

Part #532179127

Replaced by #594092501

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Manufacturer substitution
This part replaces 532179127. Substitute parts can look different from the original.
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Lawn Tractor Nut 539976978
Lawn tractor nut

Part #539976978

Replaced by #582478602

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Manufacturer substitution
This part replaces 539976978. Substitute parts can look different from the original.
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$2.64
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Lawn Tractor Muffler 539131604
Lawn tractor muffler

Part #539131604

$39.98
13% OFF Phone Price : $45.98
In Stock

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: faulty battery, bad alternator…

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

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

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

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

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

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

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

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

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 the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Repair difficulty
Time required
 15 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.…

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.

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.…

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.…

Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…