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Hydro-Gear
Engine & Drivetrain

Model # 325-3000 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 325-3000 transaxle, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 101 parts  |
Lawn Tractor Transaxle Cylinder Block Assembly 70331
#15

Transaxle diagram

Lawn tractor transaxle cylinder block assembly

Part #70331

$86.76
| 
6% OFF Phone Price : $92.76
In Stock
Spacer 50278
#94

Transaxle diagram

Spacer

Part #50278

This item is not returnable
$2.16
In Stock
Cotter Pin 44101
#129

Transaxle diagram

Cotter pin

Part #44101

This item is not returnable
$2.16
In Stock
Plug 9005110-5600
#153

Transaxle diagram

Plug

Part #9005110-5600

This item is not returnable
$7.03
In Stock
Retainer Ring 2003052
#7

Transaxle diagram

Retainer ring

Part #2003052

This item is not returnable
$2.43
In Stock
Spring 50277
#93

Transaxle diagram

Spring

Part #50277

This item is not returnable
$5.89
In Stock
Puck Brake 44132
#120

Transaxle diagram

Puck brake

Part #44132

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

Ball Bearing 2003043
#8

Transaxle diagram

Ball bearing

Part #2003043

Replaced by #532122745

?
Manufacturer substitution
This part replaces 2003043. Substitute parts can look different from the original.
$101.96
In Stock
Thrust Bearing 50551
#11

Transaxle diagram

Thrust bearing

Part #50551

Replaced by #532150771

?
Manufacturer substitution
This part replaces 50551. Substitute parts can look different from the original.
$39.98
In Stock
Pin Brake 44127
#125

Transaxle diagram

Pin brake

Part #44127

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

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Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure...

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