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Generac 9898-1 7.8-hp 2500-psi pressure washer Parts
Here are the diagrams and repair parts for Generac 9898-1 7.8-hp 2500-psi pressure washer, as well as links to manuals and error code tables, if available.
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Browse Parts for 9898-1 Pressure Washers
Accessories 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$341.33
Qty
Carburetor assembly diagram
Hex Nut
Part #81810Replaced by #081810
Manufacturer substitutionThis part replaces 81810. Substitute parts can look different from the original.In Stock$25.86QtyCrancase sub assembly diagram
Head Bolt
Part #77168Replaced by #G077168
Manufacturer substitutionThis part replaces 77168. Substitute parts can look different from the original.In Stock$43.71QtyPump head & cradle assy diagram
Nut
Part #52857Replaced by #52857GS
Manufacturer substitutionThis part replaces 52857. Substitute parts can look different from the original.This item is not returnableIn Stock$6.63QtyCrancase sub assembly diagram
Head
Part #88404BReplaced by #021705B
Manufacturer substitutionThis part replaces 88404B. Substitute parts can look different from the original.In Stock$196.63QtyPump head & cradle assy diagram
Valve
Part #78298Replaced by #G080270
Manufacturer substitutionThis part replaces 78298. Substitute parts can look different from the original.In Stock$28.89QtyCrancase sub assembly diagram
Gear
Part #76359Replaced by #A8929
Manufacturer substitutionThis part replaces 76359. Substitute parts can look different from the original.In Stock$48.17QtyCarburetor assembly diagram
Manifold
Part #90948Replaced by #G090948
Manufacturer substitutionThis part replaces 90948. Substitute parts can look different from the original.In Stock$49.77QtyCarburetor assembly diagram
Base
Part #78607Replaced by #G078607
Manufacturer substitutionThis part replaces 78607. Substitute parts can look different from the original.This item is not returnableIn Stock$47.46QtyCarburetor assembly diagram
Level
Part #86962Replaced by #086962
Manufacturer substitutionThis part replaces 86962. Substitute parts can look different from the original.In Stock$33.08Qty
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: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
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 re…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
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, stu…
Main causes: faulty unloader valve, bad pressure regulator…
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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