Wagner
Water Pump

Model #945 Official Wagner piston pump

Here are the diagrams and repair parts for Wagner 945 piston pump, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Showing 10 of 74 parts

Paint Sprayer Suction Filter

See All Related Diagrams

Paint sprayer suction filter

Part #0270369

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

Medium Filter#6

G-08 spray gun Diagram

Medium filter

Part #0034377

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

Ring Sealing#7

G-07 spray gun Diagram

Ring sealing

Part #0043260

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

Tip#3

G-08 spray gun Diagram

Tip

Part #0154847

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

Owner's Manual#NI

Fluid section Diagram

Owner's manual

Part #0295834B

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

RETURN TUBE#1

Suction set assy 2 Diagram

Return tube

Part #0270517

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

12" ROLLER COVER 3/4"#NI

Fluid section Diagram

12" roller cover 3/4"

Part #0152237

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

Filter#NI

Fluid section Diagram

Filter

Part #0089960

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

R-10,TELESCOPING ROLLER 12"#NI

Fluid section Diagram

R-10,telescoping roller 12"

Part #0152900

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

Filter

See All Related Diagrams

Filter

Part #0270718

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