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Husqvarna
Rear-Engine Riding Mower

Model # RZ4219 Official Husqvarna tractor

Here are the diagrams and repair parts for Official Husqvarna RZ4219 tractor, 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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ALL PARTS
Showing 10 of 215 parts  |
Switch 539101768
Switch

Part #539101768

Replaced by #582107601

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Manufacturer substitution
This part replaces 539101768. Substitute parts can look different from the original.
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$30.76 | 
16% OFF Phone Price : $36.76
In Stock
Nut.9/16.top 539107590
Nut.9/16.top

Part #539107590

Replaced by #596134801

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Manufacturer substitution
This part replaces 539107590. Substitute parts can look different from the original.
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This item is not returnable
$5.31 | 
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Lawn Tractor Muffler (replaces 188655, 5321886-55, 580532301) 532188655
#33

Engine plate-965881201 diagram

Lawn tractor muffler (replaces 188655, 5321886-55, 580532301)

Part #532188655

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Lawn Tractor Washer 539990118
#10

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.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
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Lawn Tractor Parking Brake Switch 539113792
Lawn tractor parking brake switch

Part #539113792

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$19.98 | 
9% OFF Phone Price : $21.98
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Craftsman Lawn Tractor Seat Spring 539110300
#3

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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$7.98 | 
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Lawn Tractor Blade Drive Belt, 11/16 X 122-11/16-in 539117245
#36

46" deck diagram

Lawn tractor blade drive belt, 11/16 x 122-11/16-in

Part #539117245

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Get free shipping with Automatic Reorder

$64.19 | 
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Lawn Tractor Muffler 539131604
Lawn tractor muffler

Part #539131604

$39.98 | 
13% OFF Phone Price : $45.98
In Stock
Lawn Tractor Caster Wheel Bearing 539112660
#1

Wheels and tires diagram

Lawn tractor caster wheel bearing

Part #539112660

$26.64 | 
18% OFF Phone Price : $32.64
In Stock
Bolt.washer.asm.7/16-2 532193003
Bolt.washer.asm.7/16-2

Part #532193003

This item is not returnable
$9.31 | 
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Most common symptoms to help you fix your riding mowers & tractors

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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, …

Read more

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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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