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Gas Pressure Washer

Model # SP-WG300 Official Steele power washer

Here are the diagrams and repair parts for Official Steele SP-WG300 power washer, as well as links to manuals and error code tables, if available.

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Browse Parts for
SP-WG300 Pressure Washers
Whip Hose APW5102-G-29-GM
#29

Power washer diagram

Whip hose

Part #APW5102-G-29-GM

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

Engine APW5102-G-6-GM
#6

Power washer diagram

Engine

Part #APW5102-G-6-GM

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

Plant APW5102-G-10-GM
#10

Power washer diagram

Plant

Part #APW5102-G-10-GM

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

Pressure Washer Bolt APW5102-G-11-GM
#11

Power washer diagram

Pressure washer bolt

Part #APW5102-G-11-GM

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

Nut APW5102-G-28-GM
#28

Power washer diagram

Nut

Part #APW5102-G-28-GM

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

Nut APW5102-G-9-GM
#9

Power washer diagram

Nut

Part #APW5102-G-9-GM

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

Bolt,whiz APW5102-G-16-GM
#16

Power washer diagram

Bolt,whiz

Part #APW5102-G-16-GM

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

Handle APW5102-G-22-GM
#22

Power washer diagram

Handle

Part #APW5102-G-22-GM

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

Bolt APW5102-G-27-GM
#27

Power washer diagram

Bolt

Part #APW5102-G-27-GM

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

Carriage APW5102-G-8-GM
#8

Power washer diagram

Carriage

Part #APW5102-G-8-GM

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

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

Main causes: broken recoil spring, damaged recoil starter…

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

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

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

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

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 check valve kit

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 valv…

Repair difficulty
Time required
 120 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 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

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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