Gas Pressure Washer

Model # WP2300 Official Westinghouse power washer

Here are the diagrams and repair parts for Official Westinghouse WP2300 power washer, as well as links to manuals and error code tables, if available.

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Browse Parts for
WP2300 Pressure Washers
Muffler 110123
#120

Engine diagram

Muffler

Part #110123

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

Spring Clip 230073
#7

Pump diagram

Spring clip

Part #230073

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

Block 1 230098
#33

Pump diagram

Block 1

Part #230098

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

Wheel 100005
#12

Frame diagram

Wheel

Part #100005

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

Oil Seal 22x 180151
#30

Engine diagram

Oil seal 22x

Part #180151

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

Retainer Rin 230072
#6

Pump diagram

Retainer rin

Part #230072

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

Stud M6x80.5 170032
#14

Engine diagram

Stud m6x80.5

Part #170032

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

Lower Seat 230118
#53

Pump diagram

Lower seat

Part #230118

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

Pressure Washer Bolt 100047
#2

Frame diagram

Pressure washer bolt

Part #100047

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

O-ring 12.8x 230106
#41

Pump diagram

O-ring 12.8x

Part #230106

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: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

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 install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

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 ch…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your pressure washers

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

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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Tapping into a new feature in the Search Bar on Sears PartsDirect

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