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Generac 0457-0 5-hp 1800-psi pressure washer Parts
Here are the diagrams and repair parts for Generac 0457-0 5-hp 1800-psi pressure washer, as well as links to manuals and error code tables, if available.
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Browse Parts for 0457-0 Pressure Washers
Pump assembly diagram
Dipstick
Part #112-87628PReplaced by #11287628PGS
Manufacturer substitutionThis part replaces 112-87628P. Substitute parts can look different from the original.In Stock$43.24
Qty
Main assembly diagram
Nut
Part #52858Replaced by #G052858
Manufacturer substitutionThis part replaces 52858. Substitute parts can look different from the original.In Stock$26.53QtyAccessories and attachments diagram
50-ft Hose
Part #75193Replaced by #7175193GS
Manufacturer substitutionThis part replaces 75193. Substitute parts can look different from the original.In Stock$341.33QtyPump assembly diagram
Gasket
Part #105-87822PReplaced by #10587822PGS
Manufacturer substitutionThis part replaces 105-87822P. Substitute parts can look different from the original.In Stock$84.20QtyPump assembly diagram
Valve
Part #102-87822PReplaced by #10287822PGS
Manufacturer substitutionThis part replaces 102-87822P. Substitute parts can look different from the original.In Stock$32.96QtyPump assembly diagram
Cap
Part #103-87628PReplaced by #10387628PGS
Manufacturer substitutionThis part replaces 103-87628P. Substitute parts can look different from the original.In Stock$29.33QtyMain assembly diagram
Tapite
Part #32713Replaced by #32713GS
Manufacturer substitutionThis part replaces 32713. Substitute parts can look different from the original.This item is not returnableIn Stock$6.17QtyPump assembly diagram
O-ring
Part #101-87822PReplaced by #100B2327GS
Manufacturer substitutionThis part replaces 101-87822P. Substitute parts can look different from the original.In Stock$11.51QtyPump assembly diagram
Connector
Part #89646Replaced by #89646GS
Manufacturer substitutionThis part replaces 89646. Substitute parts can look different from the original.In Stock$108.96QtyPump assembly diagram
Spacer
Part #116-87628PReplaced by #11687628PGS
Manufacturer substitutionThis part replaces 116-87628P. Substitute parts can look different from the original.This item is not returnableIn Stock$6.86Qty
Most common symptoms to help you fix your pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Main causes: faulty unloader valve, bad pressure regulator…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
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 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 time and Difficulty
15 minutes or less
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 time and Difficulty
45 minutes or less
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 us…
Repair time and Difficulty
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Learn about a new feature added to the Search Bar on Sears PartsDirect…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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