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Husqvarna
Rear-Engine Riding Mower

Model # 966455801 Official Husqvarna tractor

Here are the diagrams and repair parts for Official Husqvarna 966455801 tractor, as well as links to manuals and error code tables, if available.

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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Showing 10 of 244 parts  |
Lawn Tractor 42-in Deck Mulching Blade (replaces 594892701) 532134149
#5

Mower deck/cutting deck diagram

Lawn tractor 42-in deck mulching blade (replaces 594892701)

Part #532134149

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Ignition.swi 539107541
#6

Ignition diagram

Ignition.swi

Part #539107541

Replaced by #175566

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Manufacturer substitution
This part replaces 539107541. Substitute parts can look different from the original.
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Hinge Rod 539110462
#16

Mower deck/cutting deck diagram

Hinge rod

Part #539110462

Replaced by #595297001

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Manufacturer substitution
This part replaces 539110462. Substitute parts can look different from the original.
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Nut.9/16.top 539107590
#15

Mower deck/cutting deck diagram

Nut.9/16.top

Part #539107590

Replaced by #596134801

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Manufacturer substitution
This part replaces 539107590. Substitute parts can look different from the original.
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Seat 532424068
#8

Seat diagram

Seat

Part #532424068

Replaced by #439822

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This part replaces 532424068. Substitute parts can look different from the original.
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Lawn Tractor Screw 539976952
#24

Ignition diagram

Lawn tractor screw

Part #539976952

Replaced by #596039001

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This part replaces 539976952. Substitute parts can look different from the original.
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Grip.lever.5 532196492
#27

Brake/deck lift diagram

Grip.lever.5

Part #532196492

Replaced by #532411555

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This part replaces 532196492. Substitute parts can look different from the original.
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Lawn Tractor Washer 539990122
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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Lawn Tractor Idler Arm Return Spring (replaces 401872) 532401872
#42

Mower deck/cutting deck diagram

Lawn tractor idler arm return spring (replaces 401872)

Part #532401872

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Lawn Tractor Nut 539976978
#26

Ignition diagram

Lawn tractor nut

Part #539976978

Replaced by #582478602

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This part replaces 539976978. Substitute parts can look different from the original.
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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator...

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components...

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Why is the steering loose on my riding mower?

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

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Why won't my riding mower cut grass?

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

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How do I fix a flat tire on my riding mower?

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

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Why is my riding mower leaking oil or gas?

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

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a...

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Why does my riding mower creep in neutral?

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

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Why won't my riding mower move?

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

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