Husqvarna
Rear-Engine Riding Mower

Model # ZTHKH4820A (968999158) Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna ZTHKH4820A-968999158 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 110 parts  |

Craftsman Lawn Tractor Choke Control 539102733
#58

Main frame diagram

Craftsman lawn tractor choke control

Part #539102733

In Stock
Lawn Tractor Battery Positive Cable 539102757
#14

Wiring (kawasaki only) diagram

Lawn tractor battery positive cable

Part #539102757

In Stock
Bushing.machine.18.gauge 539102244
Bushing.machine.18.gauge

Part #539102244

In Stock
Hcs 1/4 X 1 539990548
#21

Hydraulic diagram

Hcs 1/4 x 1

Part #539990548

This item is not returnable
In Stock
Clutch Tie Down 539106819
#10

Engine diagram

Clutch tie down

Part #539106819

In Stock
Block.pillow 539104808
#31

Deck lift diagram

Block.pillow

Part #539104808

In Stock
Hcs.5/8-11.x 539104199
Hcs.5/8-11.x

Part #539104199

This item is not returnable
In Stock
Hcs.1/4-20.x 539990580
#9

Deck lift diagram

Hcs.1/4-20.x

Part #539990580

This item is not returnable
In Stock
Hex Nut 539990761
Hex nut

Part #539990761

This item is not returnable
In Stock
Fuel Valve 539102679
#13

Main frame diagram

Fuel valve

Part #539102679

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.…