Can’t find your part?   Contact us:+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Hydro-Gear
Engine & Drivetrain

Model # 311-3500 Official Hydro-Gear transaxle

Here are the diagrams and repair parts for Official Hydro-Gear 311-3500 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.

Error Codes

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 113 parts  |
Brake 142883
#120

Hydro-gear transaxle diagram

Brake

Part #142883

Replaced by #532142883

?
Manufacturer substitution
This part replaces 142883. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.06 | 
38% OFF MSRP : $6.50
Back Order
Puck 142882
#131

Hydro-gear transaxle diagram

Puck

Part #142882

Replaced by #532142882

?
Manufacturer substitution
This part replaces 142882. Substitute parts can look different from the original.
This item is not returnable
$4.99 | 
17% OFF Phone Price : $5.99
In Stock
Brake Actuator 170409
#125

Hydro-gear transaxle diagram

Brake actuator

Part #170409

Replaced by #532142887

?
Manufacturer substitution
This part replaces 170409. Substitute parts can look different from the original.
This item is not returnable
$2.89 | 
26% OFF Phone Price : $3.89
In Stock
Fan Kit 178337
#155

Hydro-gear transaxle diagram

Fan kit

Part #178337

Replaced by #583044001

?
Manufacturer substitution
This part replaces 178337. Substitute parts can look different from the original.
$70.99 | 
22% OFF MSRP : $91.00
In Stock
Filter 178321
#55

Hydro-gear transaxle diagram

Filter

Part #178321

Replaced by #583087401

?
Manufacturer substitution
This part replaces 178321. Substitute parts can look different from the original.
$63.69 | 
22% OFF MSRP : $82.00
In Stock
Brake Spring 178335
#141

Hydro-gear transaxle diagram

Brake spring

Part #178335

Replaced by #583042001

?
Manufacturer substitution
This part replaces 178335. Substitute parts can look different from the original.
This item is not returnable
$12.59 | 
14% OFF Phone Price : $14.59
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
$7.18
In Stock
Brake Disc 161164
#85

Hydro-gear transaxle diagram

Brake disc

Part #161164

Replaced by #583000801

?
Manufacturer substitution
This part replaces 161164. Substitute parts can look different from the original.
$35.09 | 
22% OFF MSRP : $45.00
In Stock
Relief Spring 169546
#145

Hydro-gear transaxle diagram

Relief spring

Part #169546

This item is not returnable
$5.25
In Stock
Lawn Tractor Transaxle Sealant 178322
#79

Hydro-gear transaxle diagram

Lawn tractor transaxle sealant

Part #178322

$76.42
In Stock

Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

View all

Why won't my dryer start?

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

Read more

Why isn't my dryer getting my laundry dry?

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

Read more

Why won't my dryer door stay shut?

Main causes: damaged door strike, worn door catch…

Read more

Why doesn't my dryer work?

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

Read more

Why won't my dryer shut off?

Main causes: bad timer or electronic control board, door switch failure…

Read more

Why won't my dryer heat?

Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, c…

Read more

Why is my dryer making a rattling noise?

Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …

Read more

Why does my dryer start then stop?

Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…

Read more

Most common repair guides to help fix your dryers

These step-by-step repair guides will help you safely fix what’s broken on your dryer.

View all
How to replace a flame sensor in a gas dryer

How to replace a flame sensor in a gas dryer

If your gas dryer won't heat, a broken flame sensor is one possible cause. This guide and video explain how to replace a…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a thermal fuse in an electric dryer

How to replace a thermal fuse in an electric dryer

When the air in the dryer overheats—usually because the vent is clogged—the thermal fuse blows, stopping the dryer. You …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dryer door switch

How to replace a dryer door switch

The dryer won't start if the door switch isn't working correctly. You can install a replacement dryer door switch in les…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dryers

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

View all
How to use your clothes dryer efficiently

How to use your clothes dryer efficiently

Get expert tips on using your dryer efficiently to save energy.…

Read more
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.…

Read more
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…

Read more

Parts & More