Devilbiss
Gas Pressure Washer

Model #EXWGV2121-4 Devilbiss pressure washer

Here are the diagrams and repair parts for Devilbiss EXWGV2121-4 pressure washer, as well as links to manuals and error code tables, if available.

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    Showing 10 of 64 parts

    Elbow

    #34

    D21423 - pump, faip Diagram

    Elbow

    Part #FA-52036700

    The manufacturer no longer makes this part, and there's no substitute part

    Extension Tube Kit

    #NI05

    All parts Diagram

    Extension tube kit

    Part #D21428

    The manufacturer no longer makes this part, and there's no substitute part

    Screw

    #44

    D21423 - pump, faip Diagram

    Screw

    Part #FA-10205200

    The manufacturer no longer makes this part, and there's no substitute part

    Key

    #NI08

    All parts Diagram

    Key

    Part #15294

    The manufacturer no longer makes this part, and there's no substitute part

    Piston Kit

    #NI39

    All parts Diagram

    Piston kit

    Part #FA-YKI52033600

    The manufacturer no longer makes this part, and there's no substitute part

    Tool

    #NI30

    All parts Diagram

    Tool

    Part #NCT001

    The manufacturer no longer makes this part, and there's no substitute part

    Hose,chemicl

    #NI28

    All parts Diagram

    Hose,chemicl

    Part #15231

    The manufacturer no longer makes this part, and there's no substitute part

    Gun

    #NI27

    All parts Diagram

    Gun

    Part #17780

    The manufacturer no longer makes this part, and there's no substitute part

    Wrench

    #NI31

    All parts Diagram

    Wrench

    Part #16797

    The manufacturer no longer makes this part, and there's no substitute part

    Hp Hose

    #NI25

    All parts Diagram

    Hp hose

    Part #D22166

    The manufacturer no longer makes this part, and there's no substitute part

    Symptoms for gas pressure washers

    Choose a symptom to see related pressure washer repairs.

    Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston
    Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine needs tune up
    Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system failure
    Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stuck unloader valve
    Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, bad unloader valve
    Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad recoil starter
    Main causes: faulty unloader valve, bad pressure regulator
    Main causes: broken recoil spring, damaged recoil starter
    Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter

    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 valves, follow these steps to replace the check valves.

    Repair difficulty
    Time required
     120 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 the chemical injection valve.

    Repair difficulty
    Time required
     15 minutes or less
    April 1, 2013
    By Lyle Weischwill
    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 to replace the O-rings in a leaking pressure washer pump.

    Repair difficulty
    Time required
     45 minutes or less

    Articles and videos for gas pressure washers

    Use the advice and tips in these articles and videos to get the most out of your pressure washer.

    March 1, 2016

    Getting the most from a pressure washer

    By Sears PartsDirect staff

    Learn how to get the best results when using a pressure washer.

    January 1, 2016

    Choosing the correct spray tip for a pressure washer

    By Sears PartsDirect staff

    Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.

    November 1, 2015

    7 steps for winterizing and storing a pressure washer

    By Sears PartsDirect staff

    Follow this advice to winterize your pressure washer.