Westinghouse
Gas Pressure Washer

Model #WP2500 Westinghouse power washer

Here are the repair parts and diagrams for your Westinghouse WP2500 power washer. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Save to my profileOwner’s manual

Showing 10 of 160 parts

Ignition Module

#26

Engine Diagram

Ignition module

Part #180149

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

Venting Hose

#57

Engine Diagram

Venting hose

Part #180166

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

Valve Cover

#116

Engine Diagram

Valve cover

Part #180175

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

Gasket  Fuel

#34

Engine Diagram

Gasket fuel

Part #150019

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

Fuel Tank

#39

Engine Diagram

Fuel tank

Part #150024

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

Nut M 6

#90

Engine Diagram

Nut m 6

Part #160015

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

Recoil Start

#1

Engine Diagram

Recoil start

Part #170019

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

Recoil Spring

#6

Engine Diagram

Recoil spring

Part #170024

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

Cs Gun Model

#23

Frame Diagram

Cs gun model

Part #200010

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

Pressure Washer Bolt

#9

Frame Diagram

Pressure washer bolt

Part #100054

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, bad unloader valve
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system failure
Main causes: faulty unloader valve, bad pressure regulator
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad recoil starter
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine needs tune up
Main causes: broken recoil spring, damaged recoil starter
Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stuck unloader valve

Repair guides for gas pressure washers

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

How to replace a pressure washer unloader valve

The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it using the steps in this repair guide.

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valves, follow these steps to replace the check valves.

Repair difficulty
Time required
 120 minutes or less
April 1, 2013
By Lyle Weischwill
How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the chemical injection system. Follow these steps to replace a damaged pump.

Repair difficulty
Time required
 30 minutes or less

Articles and videos for gas pressure washers

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

March 1, 2016

Getting the most from a pressure washer

By Sears PartsDirect staff

Learn how to get the best results when using a pressure washer.

January 1, 2016

Choosing the correct spray tip for a pressure washer

By Sears PartsDirect staff

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.

November 1, 2015

7 steps for winterizing and storing a pressure washer

By Sears PartsDirect staff

Follow this advice to winterize your pressure washer.