Hydro-Gear
Engine & Drivetrain

Model # 319-0500 Official Hydro-Gear hydro-gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 319-0500 hydro-gear transaxle, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 55 parts  |

Thumb Bearing 150773
#19

Hydro transaxle diagram

Thumb bearing

Part #150773

In Stock
Lawn Tractor Transaxle Wheel Axle Oil Seal (replaces 532142961) 142961
#53

Hydro transaxle diagram

Lawn tractor transaxle wheel axle oil seal (replaces 532142961)

Part #142961

This item is not returnable
$5.29
16% OFF Phone Price : $6.29
In Stock
Nut.cas.hyd. 144607
#134

Hydro transaxle diagram

Nut.cas.hyd.

Part #144607

Replaced by #532122658

?
Manufacturer substitution
This part replaces 144607. Substitute parts can look different from the original.
This item is not returnable
In Stock
Actuating Arm 142954
#37

Hydro transaxle diagram

Actuating arm

Part #142954

Replaced by #583156301

?
Manufacturer substitution
This part replaces 142954. Substitute parts can look different from the original.
In Stock
Black Cylinder 142938
#13

Hydro transaxle diagram

Black cylinder

Part #142938

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

Lip Seal 142932
#3

Hydro transaxle diagram

Lip seal

Part #142932

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

Kit.cen.sec. 150774
#26

Hydro transaxle diagram

Kit.cen.sec.

Part #150774

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

Bearing 142934
#6

Hydro transaxle diagram

Bearing

Part #142934

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

Puck 142967
#63

Hydro transaxle diagram

Puck

Part #142967

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

Lawn Tractor Transaxle Detent Spring 142969
#68

Hydro transaxle diagram

Lawn tractor transaxle detent spring

Part #142969

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

Most common symptoms to help you fix your cooktops

Choose a symptom to see related cooktop repairs.

Main causes: lack of electrical power, gas supply failure, bad pressure regulator, control system failure…

Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your cooktops

Use the advice and tips in these articles and videos to get the most out of your cooktop.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…