Husqvarna
Rear-Engine Riding Mower

Model # RZ4219BF-966582201 Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna RZ4219BF-966582201 riding lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 257 parts  |

Lawn Tractor 42-in Deck Mulching Blade (replaces 594892701) 532134149
#2

Mower deck/cutting deck diagram

Lawn tractor 42-in deck mulching blade (replaces 594892701)

Part #532134149

BEST SELLER

Get free shipping with Automatic Reorder

$22.14
21% OFF Phone Price : $28.14
In Stock
Washer Screw 539107630
#39

Mower deck/cutting deck diagram

Washer screw

Part #539107630

Replaced by #584953901

?
Manufacturer substitution
This part replaces 539107630. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
16% OFF Phone Price : $6.31
In Stock
Hinge Rod 539110462
#12

Mower deck/cutting deck diagram

Hinge rod

Part #539110462

Replaced by #595297001

?
Manufacturer substitution
This part replaces 539110462. Substitute parts can look different from the original.
BEST SELLER
$7.05
12% OFF Phone Price : $8.05
In Stock
Seat 532424068
#1

Seat diagram

Seat

Part #532424068

Replaced by #439822

?
Manufacturer substitution
This part replaces 532424068. Substitute parts can look different from the original.
BEST SELLER
$107.29
10% OFF Phone Price : $119.29
In Stock
Lawn Tractor Screw 539976952
#32

Ignition system diagram

Lawn tractor screw

Part #539976952

Replaced by #596039001

?
Manufacturer substitution
This part replaces 539976952. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Grip.lever.5 532196492
#14

Brake/deck lift diagram

Grip.lever.5

Part #532196492

Replaced by #532411555

?
Manufacturer substitution
This part replaces 532196492. Substitute parts can look different from the original.
BEST SELLER
$10.64
16% OFF Phone Price : $12.64
In Stock
Lawn Tractor Washer 539990122
Lawn tractor washer

Part #539990122

Replaced by #596565301

?
Manufacturer substitution
This part replaces 539990122. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
Lawn Tractor Idler Arm Return Spring (replaces 401872) 532401872
#24

Mower deck/cutting deck diagram

Lawn tractor idler arm return spring (replaces 401872)

Part #532401872

BEST SELLER
This item is not returnable
$6.64
13% OFF Phone Price : $7.64
In Stock
Lawn Tractor Nut 539108120
#42

Ignition system diagram

Lawn tractor nut

Part #539108120

Replaced by #582478602

?
Manufacturer substitution
This part replaces 539108120. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock
Lawn Tractor Nut 539976978
#41

Ignition system diagram

Lawn tractor nut

Part #539976978

Replaced by #582478602

?
Manufacturer substitution
This part replaces 539976978. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
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 starter motor on a riding lawn mower

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...

Repair difficulty
Time required
30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes....

Repair difficulty
Time required
60 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...