Husqvarna
Rear-Engine Riding Mower

Model # RZ3016 (966042901) Official Husqvarna tractor

Here are the diagrams and repair parts for Official Husqvarna RZ3016-966042901 tractor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 228 parts  |

Washer Screw 539107630
#14

30" deck diagram

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.
BEST SELLER
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$5.31
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Lawn Tractor Washer 539990122
#11

Chassis/frame diagram

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.
BEST SELLER
This item is not returnable
In Stock
Lawn Tractor Idler Arm Return Spring (replaces 401872) 532401872
#11

30" deck diagram

Lawn tractor idler arm return spring (replaces 401872)

Part #532401872

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$6.64
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Lawn Tractor Nut 539976978
#26

Ignition diagram

Lawn tractor nut

Part #539976978

Replaced by #582478602

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Manufacturer substitution
This part replaces 539976978. Substitute parts can look different from the original.
BEST SELLER
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$2.64
27% OFF Phone Price : $3.64
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Stud Fastener 532195161
#4

Chassis/frame diagram

Stud fastener

Part #532195161

Replaced by #593824001

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Manufacturer substitution
This part replaces 532195161. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31
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Handle Slide 532197661
#6

Seat diagram

Handle slide

Part #532197661

Replaced by #595088102

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Manufacturer substitution
This part replaces 532197661. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.64
13% OFF Phone Price : $7.64
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Lawn Tractor Nut 539990585
Lawn tractor nut

Part #539990585

Replaced by #596039201

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Manufacturer substitution
This part replaces 539990585. Substitute parts can look different from the original.
This item is not returnable
In Stock
Push Nut 539107626
#23

30" deck diagram

Push nut

Part #539107626

Replaced by #532110452

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Manufacturer substitution
This part replaces 539107626. Substitute parts can look different from the original.
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Lawn Tractor Caster Wheel Bearing 539112660
#13

Wheels/tires diagram

Lawn tractor caster wheel bearing

Part #539112660

$26.64
18% OFF Phone Price : $32.64
In Stock
Mandrel 539112057
#13

30" deck diagram

Mandrel

Part #539112057

Replaced by #587125401

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

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…