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Husqvarna ZTHQL4221A (968999172) riding lawn mower Parts

Here are the diagrams and repair parts for Husqvarna ZTHQL4221A (968999172) riding lawn mower, as well as links to manuals and error code tables, if available.

Husqvarna ZTHQL4221A (968999172) riding lawn mower
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Browse Parts for ZTHQL4221A (968999172) Riding Mowers & Tractors

  • Lawn Tractor 42-in Deck Blade for Husqvarna ZTHQL4221A (968999172) - Part 539103274

    42" deck diagram

    Lawn Tractor 42-in Deck Blade

    Part #539103274

    The manufacturer no longer makes this part, and there's no substitute part

  • Dnb.tube-rt. for Husqvarna ZTHQL4221A (968999172) - Part 539103319

    Hydraulic diagram

    Dnb.tube-rt.

    Part #539103319

    The manufacturer no longer makes this part, and there's no substitute part

  • Hcs.3/8-16x3 for Husqvarna ZTHQL4221A (968999172) - Part 539102754

    48" deck diagram

    Hcs.3/8-16x3

    Part #539102754

    The manufacturer no longer makes this part, and there's no substitute part

  • Dnb.decal-da for Husqvarna ZTHQL4221A (968999172) - Part 539100361

    Frame decals diagram

    Dnb.decal-da

    Part #539100361

    The manufacturer no longer makes this part, and there's no substitute part

  • Dnb.tube-rt. for Husqvarna ZTHQL4221A (968999172) - Part 539103318

    Hydraulic diagram

    Dnb.tube-rt.

    Part #539103318

    The manufacturer no longer makes this part, and there's no substitute part

  • Adjustment Grip for Husqvarna ZTHQL4221A (968999172) - Part 539976526

    Park brake diagram

    Adjustment Grip

    Part #539976526

    The manufacturer no longer makes this part, and there's no substitute part

  • Cushion Seat for Husqvarna ZTHQL4221A (968999172) - Part 539102539

    Seat diagram

    Cushion Seat

    Part #539102539

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Tractor Ground Drive Fixed Idler Pulley for Husqvarna ZTHQL4221A (968999172) - Part 539101176

    Main frame diagram

    Lawn Tractor Ground Drive Fixed Idler Pulley

    Part #539101176

    The manufacturer no longer makes this part, and there's no substitute part

  • Lawn Tractor Gauge Wheel for Husqvarna ZTHQL4221A (968999172) - Part 539102643

    48" deck diagram

    Lawn Tractor Gauge Wheel

    Part #539102643

    The manufacturer no longer makes this part, and there's no substitute part

  • Hose for Husqvarna ZTHQL4221A (968999172) - Part 539103326

    Hydraulic diagram

    Hose

    Part #539103326

    The manufacturer no longer makes this part, and there's no substitute part

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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

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 solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key.…

Repair time and Difficulty

 30 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 time and Difficulty

 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 time and Difficulty

 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.

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.…

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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