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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 Assembly
Part #80336Replaced by #G080336
Manufacturer substitutionThis part replaces 80336. Substitute parts can look different from the original.In Stock$28.70
Qty
Cylinder assembly diagram
Ring
Part #94284Replaced by #99427GS
Manufacturer substitutionThis part replaces 94284. Substitute parts can look different from the original.In Stock$58.69QtyPump head & cradle assy diagram
Screen
Part #83083Replaced by #G083083
Manufacturer substitutionThis part replaces 83083. Substitute parts can look different from the original.In Stock$32.01QtyCarburetor assembly diagram
Gasket
Part #91848Replaced by #091848
Manufacturer substitutionThis part replaces 91848. Substitute parts can look different from the original.In Stock$25.95QtyCylinder assembly diagram
Piston Seal
Part #93680Replaced by #93680GS
Manufacturer substitutionThis part replaces 93680. Substitute parts can look different from the original.In Stock$14.23QtyCarburetor assembly diagram
Nut
Part #66311Replaced by #066311
Manufacturer substitutionThis part replaces 66311. Substitute parts can look different from the original.In Stock$25.15QtyCrancase sub assembly diagram
Crankshaft
Part #83337Replaced by #0833370SRV
Manufacturer substitutionThis part replaces 83337. Substitute parts can look different from the original.In Stock$112.32QtyCarburetor assembly diagram
Lock Washer
Part #22097Replaced by #G022097
Manufacturer substitutionThis part replaces 22097. Substitute parts can look different from the original.In Stock$28.84QtyCarburetor assembly diagram
Flywheel
Part #77182EReplaced by #0C8917ASRV
Manufacturer substitutionThis part replaces 77182E. Substitute parts can look different from the original.In Stock$270.58QtyCrancase sub assembly diagram
Pipe Plug
Part #72657Replaced by #072657A
Manufacturer substitutionThis part replaces 72657. Substitute parts can look different from the original.In Stock$27.11Qty
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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