Husqvarna
Rear-Engine Riding Mower

Model # ZTHKW4818A (968999168) Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna ZTHKW4818A-968999168 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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ALL PARTS
Showing 10 of 282 parts  |

Switch 539101768
Switch

Part #539101768

Replaced by #582107601

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Manufacturer substitution
This part replaces 539101768. Substitute parts can look different from the original.
BEST SELLER
$30.76
16% OFF Phone Price : $36.76
In Stock
Lawn & Garden Equipment Flat Washer 539990692
Lawn & garden equipment flat washer

Part #539990692

Replaced by #596134901

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Manufacturer substitution
This part replaces 539990692. 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
Lawn Tractor Screw 539976952
Lawn tractor screw

Part #539976952

Replaced by #596039001

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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
Lawn Tractor Nut 539976978
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
This item is not returnable
$2.64
27% OFF Phone Price : $3.64
In Stock
Lawn Tractor Lock Washer 539990247
Lawn tractor lock washer

Part #539990247

Replaced by #596238901

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Manufacturer substitution
This part replaces 539990247. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn Tractor Bolt 539990799
Lawn tractor bolt

Part #539990799

Replaced by #596039401

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Manufacturer substitution
This part replaces 539990799. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn Tractor Caster Wheel Spacer 539105543
#25

Main frame diagram

Lawn tractor caster wheel spacer

Part #539105543

This item is not returnable
$12.89
13% OFF Phone Price : $14.89
In Stock
Grease Fitting 539976998
Grease fitting

Part #539976998

Replaced by #532183226

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Manufacturer substitution
This part replaces 539976998. Substitute parts can look different from the original.
This item is not returnable
$6.64
13% OFF Phone Price : $7.64
In Stock
Hcs, 5/16-18 X 2 3/4, Gr 539101721
#29

Deck lift diagram

Hcs, 5/16-18 x 2 3/4, gr

Part #539101721

This item is not returnable
In Stock
Decal, Cpsc 539913010
Decal, cpsc

Part #539913010

This item is not returnable
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: 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 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 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.…