DeWalt
Gas Pressure Washer

Model #DXPW3835 Official DeWalt pressure washer

Here are the diagrams and repair parts for DeWalt DXPW3835 pressure washer, as well as links to manuals and error code tables, if available.

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Parts List

Showing 10 of 135 parts

CONICAL SPRING#42

Tc 63 series pump Diagram

Conical spring

Part #7103470

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

SEEGER RING, 25#89

Tc 63 series pump Diagram

Seeger ring, 25

Part #7103455

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

INLET ADAPTER, GARDEN-FTO .500 NPT-M#2

Pump 8.3ga15c Diagram

Inlet adapter, garden-fto .500 npt-m

Part #7100051

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

EXTERNAL SNAP RING 25MM C72 (9.6WA15C ONLY)#42

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

External snap ring 25mm c72 (9.6wa15c only)

Part #7105433

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

RADIAL RING (OIL SEAL) KIT (56) (3)#K83

Tc 63 series pump Diagram

Radial ring (oil seal) kit (56) (3)

Part #7100920

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

SCREW, M6 X 20MM (4) (8.3GA15C & 9.6GA15C)#45

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

Screw, m6 x 20mm (4) (8.3ga15c & 9.6ga15c)

Part #7105436

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

SPACER, 41 X 51.8 X 0.5MM#21

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

Spacer, 41 x 51.8 x 0.5mm

Part #7105417

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

SCREW, M6 X 50MM (4)#34

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

Screw, m6 x 50mm (4)

Part #7105425

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

Pump Crankcase#23

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

Pump crankcase

Part #7105419

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

Water Seal Kit#101

Pump 9.6wa15c, 9.6ga15c, 8.3ga15c Diagram

Water seal kit

Part #7105449

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.

Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine needs tune up
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: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stuck unloader valve
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system failure
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, 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

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 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
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
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 chemical injection system. Follow these steps to replace a damaged pump.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all 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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