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Hydro-Gear
Engine & Drivetrain

Model # 331-3000 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 331-3000 transaxle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 113 parts  |
Lawn Tractor Transaxle Sealant 178322
#79

Hydro gear transaxle diagram

Lawn tractor transaxle sealant

Part #178322

$76.42
In Stock
Compression 170417
#151

Hydro gear transaxle diagram

Compression

Part #170417

Replaced by #583001401

?
Manufacturer substitution
This part replaces 170417. Substitute parts can look different from the original.
This item is not returnable
$8.54
In Stock
Seal.1" (507 161157
#75

Hydro gear transaxle diagram

Seal.1" (507

Part #161157

Replaced by #583000201

?
Manufacturer substitution
This part replaces 161157. Substitute parts can look different from the original.
$24.09 | 
20% OFF Phone Price : $30.09
In Stock
Return Arm 178318
#34

Hydro gear transaxle diagram

Return arm

Part #178318

Replaced by #583087201

?
Manufacturer substitution
This part replaces 178318. Substitute parts can look different from the original.
$38.64
In Stock
Screw 178343
#50

Hydro gear transaxle diagram

Screw

Part #178343

Replaced by #582207101

?
Manufacturer substitution
This part replaces 178343. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Spacer #2371 170411
#130

Hydro gear transaxle diagram

Spacer #2371

Part #170411

Replaced by #583001201

?
Manufacturer substitution
This part replaces 170411. Substitute parts can look different from the original.
This item is not returnable
$11.97
In Stock
Washer 169545
#144

Hydro gear transaxle diagram

Washer

Part #169545

Replaced by #583031601

?
Manufacturer substitution
This part replaces 169545. Substitute parts can look different from the original.
$17.11
In Stock
Screw O-ring 169548
#157

Hydro gear transaxle diagram

Screw o-ring

Part #169548

Replaced by #583031901

?
Manufacturer substitution
This part replaces 169548. Substitute parts can look different from the original.
$10.26
In Stock
Bolt.hex.1/4 193020
#132

Hydro gear transaxle diagram

Bolt.hex.1/4

Part #193020

Replaced by #584281401

?
Manufacturer substitution
This part replaces 193020. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Screw.thes 178787
#92

Hydro gear transaxle diagram

Screw.thes

Part #178787

Replaced by #583087801

?
Manufacturer substitution
This part replaces 178787. Substitute parts can look different from the original.
$11.97
In Stock

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