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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
Crancase sub assembly diagram
Oil Cover
Part #78691Replaced by #G078691
Manufacturer substitutionThis part replaces 78691. Substitute parts can look different from the original.In Stock$28.13
Qty
Carburetor assembly diagram
Gasket
Part #90051Replaced by #G090051
Manufacturer substitutionThis part replaces 90051. Substitute parts can look different from the original.In Stock$45.15QtyCrancase sub assembly diagram
Bolt
Part #89230Replaced by #89230
Manufacturer substitutionThis part replaces 89230. Substitute parts can look different from the original.In Stock$25.84QtyPump head & cradle assy diagram
Nut
Part #52858Replaced by #G052858
Manufacturer substitutionThis part replaces 52858. Substitute parts can look different from the original.In Stock$26.53QtyCrancase sub assembly diagram
Washer
Part #84186Replaced by #G084186
Manufacturer substitutionThis part replaces 84186. Substitute parts can look different from the original.In Stock$25.37QtyCrancase sub assembly diagram
Stem Seal
Part #88156Replaced by #088156
Manufacturer substitutionThis part replaces 88156. Substitute parts can look different from the original.In Stock$28.08QtyCarburetor assembly diagram
Washer
Part #83312Replaced by #083312
Manufacturer substitutionThis part replaces 83312. Substitute parts can look different from the original.In Stock$27.24QtyCarburetor assembly diagram
Plug
Part #94820Replaced by #G094820
Manufacturer substitutionThis part replaces 94820. Substitute parts can look different from the original.In Stock$37.21QtyCrancase sub assembly diagram
Pipe Plug
Part #72683Replaced by #72683
Manufacturer substitutionThis part replaces 72683. Substitute parts can look different from the original.In Stock$25.66QtyCarburetor assembly diagram
Bracket
Part #83781Replaced by #083781
Manufacturer substitutionThis part replaces 83781. Substitute parts can look different from the original.In Stock$36.08Qty
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.…
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Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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