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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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This part replaces 777134149. Substitute parts can look different from the original.
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Washer Screw 539107630
Washer screw

Part #539107630

Replaced by #584953901

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This part replaces 539107630. Substitute parts can look different from the original.
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Switch 539101768
Switch

Part #539101768

Replaced by #582107601

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This part replaces 539101768. Substitute parts can look different from the original.
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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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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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Lawn & Garden Equipment Flat Washer 539990692
Lawn & garden equipment flat washer

Part #539990692

Replaced by #596134901

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Vortex Baffle 539110463
#3

42" deck diagram

Vortex baffle

Part #539110463

Replaced by #531167001

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This part replaces 539110463. Substitute parts can look different from the original.
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Shoulder Bolt 539110222
#34

42" deck diagram

Shoulder bolt

Part #539110222

Replaced by #596434402

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Mandrel 539112057
Mandrel

Part #539112057

Replaced by #587820301

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This part replaces 539112057. Substitute parts can look different from the original.
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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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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…

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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 does my riding mower run rough or misfire?

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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 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…

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