0508193A Complete Paint Pump Block

0508193A Complete Paint Pump Block

  • $259.97
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0508193

This assembly will work on the following units:

Wagner Wave Series:
538, 642, 3866, 4275, 4566, 847, 4785.

SprayTech Models:
AirCoat, ED655 Plus.

Includes the following parts :

  • 0278344 Paint pump head
  • 0278242 Valve, Inlet assembly
  • 0089482 Nylon Seal, Washer
  • 0512250 Prime Spray Valve Assembly
  • 0278335 Outlet Fitting
  • 0093635 Outlet ball
  • 0278241 Outlet Seat (alt# 0278280)
  • 0047485 Outlet Spring
  • 0278362 Outlet Seal
  • 0278361 Ball Stop
  • 9871073 O-RING, Black, .614 ID X .754 OD, for Outlet


  • And includes the entire pusher parts, which include:
  • 0278337 Pusher Body
  • 0278250 Pusher Stem
  • 0278368 Pusher Spring
  • 0278340 Pusher Washer
  • 0156646 Pusher Seal

    Parts NOT included and needed off the old head are as follows:
  • A: The 4x head bolts and 4X locking washers that attach the head to the pump.
  • B: The small return hose/tube fitting. (For suction set models, the part# is 0088715) (Hopper feed models use a different plastic fitting)

    With this part, we would recommend replacing the diaphragm at the same time:
    0278240 Diaphragm (Green)

    And if any milky substance is noticed in the hydraulic fluid it should be replaced :
    Wagner Hydraulic Fluid - Quart
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