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Husqvarna
Rear-Engine Riding Mower

Model # 966659301 Official Husqvarna zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna 966659301 zero-turn riding lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 284 parts  |
Washer Screw 539107630
#34

Mower deck/cutting deck diagram

Washer screw

Part #539107630

Replaced by #584953901

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Manufacturer substitution
This part replaces 539107630. Substitute parts can look different from the original.
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Hinge Rod 539110462
#13

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
#40

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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Lawn & Garden Equipment Flat Washer 539990692
#27

Engine plate diagram

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.
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$3.98 | 
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Seat 532424068
#1

Seat diagram

Seat

Part #532424068

Replaced by #439822

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Manufacturer substitution
This part replaces 532424068. Substitute parts can look different from the original.
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$107.29 | 
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Mandrel 539112057
#6

Mower deck/cutting deck diagram

Mandrel

Part #539112057

Replaced by #587820301

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Manufacturer substitution
This part replaces 539112057. Substitute parts can look different from the original.
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Deflector,54 539112054
#11

Mower deck/cutting deck diagram

Deflector,54

Part #539112054

Replaced by #532187257

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Manufacturer substitution
This part replaces 539112054. Substitute parts can look different from the original.
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Lawn Tractor Ground Drive Belt, 1/2 X 56-5/16-in (replaces 5391104-11) 539110411
#5

Hydraulic pump/motor diagram

Lawn tractor ground drive belt, 1/2 x 56-5/16-in (replaces 5391104-11)

Part #539110411

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Lawn Tractor Blade Drive Belt, 5/8 X 153-7/8-in 539114557
#2

Mower deck/cutting deck diagram

Lawn tractor blade drive belt, 5/8 x 153-7/8-in

Part #539114557

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$68.15 | 
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Lawn Tractor Fuel Tank Grommet 539105245
#22

Ignition diagram

Lawn tractor fuel tank grommet

Part #539105245

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Why is my riding mower not cutting evenly?

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

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Why won't my riding mower start?

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

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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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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 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 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…

Read more

Why does my riding mower creep in neutral?

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

Read more

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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