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Husqvarna
Rear-Engine Riding Mower

Model # MZ5425S Official Husqvarna riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna MZ5425S riding lawn mower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 328 parts  |
Washer Screw 539107630
#40

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.
BEST SELLER
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$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Hinge Rod 539110462
#26

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.
BEST SELLER
$7.05 | 
12% OFF Phone Price : $8.05
In Stock
Nut.9/16.top 539107590
#45

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.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Mandrel 539112057
#4

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.
BEST SELLER
$46.13 | 
12% OFF Phone Price : $52.13
In Stock
Deflector,54 539112054
#10

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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$66.30 | 
8% OFF Phone Price : $72.30
In Stock
Idler Pulley 539107620
#6

Engine plate diagram

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.
BEST SELLER
$30.64 | 
16% OFF Phone Price : $36.64
In Stock
Lawn Tractor Fuel Tank Grommet 539105245
#23

Ignition diagram

Lawn tractor fuel tank grommet

Part #539105245

BEST SELLER
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$5.31 | 
16% OFF Phone Price : $6.31
In Stock
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
Push Nut 539107626
#46

Mower deck / cutting deck diagram

Push nut

Part #539107626

Replaced by #532110452

?
Manufacturer substitution
This part replaces 539107626. Substitute parts can look different from the original.
This item is not returnable
$3.98 | 
88% OFF Was : $33.51
In Stock
Lawn Tractor Lock Washer 539990247
#46

Engine plate diagram

Lawn tractor lock washer

Part #539990247

Replaced by #596238901

?
Manufacturer substitution
This part replaces 539990247. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock

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

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