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Model # 0457-0 Official Generac 5-hp 1800-psi pressure washer
Here are the diagrams and repair parts for Official 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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0457-0 Pressure Washers
#NI
All parts diagram
O-ring kit
Part #100516GS
Replaced by #705001
?
Manufacturer substitution
This part replaces 100516GS. Substitute parts can look different from the original.
$27.57 |
18% OFF Phone Price : $33.57
In Stock
#27
Pump assembly diagram
O-ring
Part #115-87628P
Replaced by #192914GS
?
Manufacturer substitution
This part replaces 115-87628P. Substitute parts can look different from the original.
This item is not returnable
$26.70 |
18% OFF Phone Price : $32.70
In Stock
#29
Main assembly diagram
Shock mount
Part #87841
Replaced by #87841GS
?
Manufacturer substitution
This part replaces 87841. Substitute parts can look different from the original.
This item is not returnable
$7.14
In Stock
#29
Pump assembly diagram
Fitting
Part #101-91383
Replaced by #226B2327GS
?
Manufacturer substitution
This part replaces 101-91383. Substitute parts can look different from the original.
$72.19 |
8% OFF Phone Price : $78.19
In Stock
#10
Main assembly diagram
Hose clip
Part #65852
Replaced by #65852GS
?
Manufacturer substitution
This part replaces 65852. Substitute parts can look different from the original.
$18.03
In Stock
#13
Main assembly diagram
Shakeproofin
Part #23365
Replaced by #23365GS
?
Manufacturer substitution
This part replaces 23365. Substitute parts can look different from the original.
This item is not returnable
$5.23
In Stock
#38
Pump assembly diagram
O-ring
Part #108-87627P
Replaced by #134B2327GS
?
Manufacturer substitution
This part replaces 108-87627P. Substitute parts can look different from the original.
$7.91
In Stock
#NI
All parts diagram
Adaptor-quic
Part #100518GS
Replaced by #312981GS
?
Manufacturer substitution
This part replaces 100518GS. Substitute parts can look different from the original.
$43.27 |
12% OFF Phone Price : $49.27
In Stock
#21
Main assembly diagram
Wheel
Part #91094
Replaced by #197061GS
?
Manufacturer substitution
This part replaces 91094. Substitute parts can look different from the original.
$34.02 |
15% OFF Phone Price : $40.02
In Stock
#12
Pump assembly diagram
Gasket
Part #105-87822P
Replaced by #10587822PGS
?
Manufacturer substitution
This part replaces 105-87822P. Substitute parts can look different from the original.
$79.02
In Stock
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
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
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
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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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
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Learn about a new feature added to the Search Bar on Sears PartsDirect…
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Get answers to frequently asked questions about Sears and Sears PartsDirect.…