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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 331 parts  |
Mulching Blade 777134149
#13

42" deck diagram

Mulching blade

Part #777134149

Replaced by #532134149

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Manufacturer substitution
This part replaces 777134149. Substitute parts can look different from the original.
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$22.14 | 
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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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Hinge Rod 539110462
Hinge rod

Part #539110462

Replaced by #595297001

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Manufacturer substitution
This part replaces 539110462. Substitute parts can look different from the original.
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$7.05 | 
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Ignition.swi 539107541
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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$28.29 | 
17% OFF Phone Price : $34.29
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Lawn & Garden Equipment Flat Washer 539990692
Lawn & garden equipment flat washer

Part #539990692

Replaced by #596134901

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Manufacturer substitution
This part replaces 539990692. Substitute parts can look different from the original.
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$3.98 | 
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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 Deck Baffle 532403150
#12

46" deck diagram

Lawn tractor deck baffle

Part #532403150

Replaced by #531170701

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Manufacturer substitution
This part replaces 532403150. Substitute parts can look different from the original.
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$20.54
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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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$5.11
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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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Most common symptoms to help you fix your riding mowers & tractors

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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 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…

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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…

Read more

Why does my riding mower creep in neutral?

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

Read more

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, …

Read more

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…

Read more

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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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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How to replace a riding lawn mower ignition coil

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If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

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 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

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