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Husqvarna
Rear-Engine Riding Mower

Model # MZ6128ZT-966613101 Official Husqvarna zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna MZ6128ZT-966613101 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 337 parts  |
Washer Screw 539107630
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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Nut.9/16.top 539107590
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.
BEST SELLER
This item is not returnable
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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.
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$3.98 | 
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Idler Pulley 539107620
Idler pulley

Part #539107620

Replaced by #596481401

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Manufacturer substitution
This part replaces 539107620. Substitute parts can look different from the original.
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$30.64 | 
16% OFF Phone Price : $36.64
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Lawn Tractor Nut 539990585
Lawn tractor nut

Part #539990585

Replaced by #596039201

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Manufacturer substitution
This part replaces 539990585. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Lawn Tractor Lock Washer 539990247
#33

Engine plate-966690501 diagram

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
$5.11
In Stock
Lawn Tractor Bolt, 5/16-18 X 3/4-in 539990316
Lawn tractor bolt, 5/16-18 x 3/4-in

Part #539990316

Replaced by #595901601

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This part replaces 539990316. Substitute parts can look different from the original.
This item is not returnable
$3.98 | 
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Spacer Washer 539107520
Spacer washer

Part #539107520

Replaced by #532187690

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Manufacturer substitution
This part replaces 539107520. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
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
$5.11
In Stock
Lawn Tractor Hex Nut 539200282
Lawn tractor hex nut

Part #539200282

Replaced by #596230801

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Manufacturer substitution
This part replaces 539200282. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock

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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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Main causes: faulty battery, bad alternator…

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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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Why does my riding mower creep in neutral?

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

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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 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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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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