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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Browse Parts forRZ3016 (966042901) Riding Mowers & Tractors

  • Washer Screw 539107630
    #14

    30" deck diagram

    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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    $4.31
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  • Nut.9/16.top 539107590
    #21

    30" deck diagram

    Nut.9/16.top

    Part #539107590

    Replaced by #596134801

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    This part replaces 539107590. Substitute parts can look different from the original.
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    $5.93
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  • Push Nut 539107626
    #23

    30" deck diagram

    Push nut

    Part #539107626

    Replaced by #532110452

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    This part replaces 539107626. Substitute parts can look different from the original.
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  • Bolt.washer.asm.7/16-2 532193003
    #5

    30" deck diagram

    Bolt.washer.asm.7/16-2

    Part #532193003

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  • Mandrel 539112057
    #13

    30" deck diagram

    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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  • Husqvarna Lawn Tractor Idler Arm Return Spring 532401872
    #11

    30" deck diagram

    Husqvarna lawn tractor idler arm return spring

    Part #532401872

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  • Lawn Tractor Washer 539990122
    #11

    Chassis/frame diagram

    Lawn tractor washer

    Part #539990122

    Replaced by #596565301

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    This part replaces 539990122. Substitute parts can look different from the original.
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  • Spacer Washer 539107520
    #2

    30" deck diagram

    Spacer washer

    Part #539107520

    Replaced by #532187690

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    This part replaces 539107520. Substitute parts can look different from the original.
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  • Link Lift Susp. Front Mower 532195740
    #31

    30" deck diagram

    Link lift susp. front mower

    Part #532195740

    Replaced by #581506902

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    This part replaces 532195740. Substitute parts can look different from the original.
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    $14.42
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  • Ball Bearing 539112050
    #8

    30" deck diagram

    Ball bearing

    Part #539112050

    Replaced by #532110485

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    This part replaces 539112050. Substitute parts can look different from the original.
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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: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: faulty battery, bad alternator…

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

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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

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

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: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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 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.…

Repair difficulty
Time required
 30 minutes or less
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…

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

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

Repair difficulty
Time required
 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.

What's the difference between a lawn tractor and a garden tractor?

What's the difference between a lawn tractor and a garden tractor?

Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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.…