Husqvarna
Rear-Engine Riding Mower

Model # RZ3016 (966612301) Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna RZ3016-966612301 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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Showing 10 of 286 parts  |

Lawn Tractor Mandrel Assembly 532192870
#21

Mower deck/cutting deck diagram

Lawn tractor mandrel assembly

Part #532192870

Replaced by #587819701

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Manufacturer substitution
This part replaces 532192870. Substitute parts can look different from the original.
BEST SELLER
$40.92
22% OFF MSRP : $52.50
In Stock
Lawn Tractor Mandrel Shaft Assembly 532192872
#23

Mower deck/cutting deck diagram

Lawn tractor mandrel shaft assembly

Part #532192872

Replaced by #587819701

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Manufacturer substitution
This part replaces 532192872. Substitute parts can look different from the original.
BEST SELLER
$40.92
22% OFF MSRP : $52.50
In Stock
Hood Latch 539108088
#9

Mounts/chutes/weights diagram

Hood latch

Part #539108088

Replaced by #532109808

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Manufacturer substitution
This part replaces 539108088. Substitute parts can look different from the original.
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This item is not returnable
$4.95
17% OFF Phone Price : $5.95
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Mulching Latch Assembly 532160793
#2

Mulch kit diagram

Mulching latch assembly

Part #532160793

Replaced by #597000601

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Manufacturer substitution
This part replaces 532160793. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.78
30% OFF MSRP : $6.80
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Ignition.swi 539107541
#4

Ignition system diagram

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.
BEST SELLER
$10.53
30% OFF MSRP : $15.00
In Stock
Lawn Tractor Bolt And Washer Assembly 532193003
#31

Mower deck/cutting deck diagram

Lawn tractor bolt and washer assembly

Part #532193003

Replaced by #193003

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Manufacturer substitution
This part replaces 532193003. Substitute parts can look different from the original.
BEST SELLER
$8.35
11% OFF Phone Price : $9.35
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Interlock Switch 532176138
#5

Ignition system diagram

Interlock switch

Part #532176138

Replaced by #176138

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Manufacturer substitution
This part replaces 532176138. Substitute parts can look different from the original.
BEST SELLER
$10.09
26% OFF MSRP : $13.55
In Stock
Lawn Tractor Flange Nut, 9/16-in 532400234
#42

Mower deck/cutting deck diagram

Lawn tractor flange nut, 9/16-in

Part #532400234

Replaced by #596134801

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Manufacturer substitution
This part replaces 532400234. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn Tractor Bagger Attachment Upper Chute Gasket (replaces 127534, 5321275-34, 539108100) 532127534
#7

Bagger diagram

Lawn tractor bagger attachment upper chute gasket (replaces 127534, 5321275-34, 539108100)

Part #532127534

BEST SELLER
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15% OFF Phone Price : $13.53
In Stock
Lawn Tractor Hex Lock Nut 873800500
Lawn tractor hex lock nut

Part #873800500

Replaced by #596040501

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Manufacturer substitution
This part replaces 873800500. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
Back Order

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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 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
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair difficulty
Time required
 15 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.

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

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…