SHURflo Revolution 4008 Water Pump Exploded Parts Diagram & Repair Kits

The SHURflo Revolution 4008 fresh-water pump can be serviced with specific head, valve, check-valve and pressure-switch components. Use the numbered Pentair exploded diagram to identify the failed assembly, then match the complete model number on your pump: the 12V, 24V and 115V versions use different motors.

Identify your Revolution 4008 pump

These three complete-pump listings show the different electrical versions. Pentair lists 3 GPM flow and a 55 PSI nominal shutoff rating for the models below; confirm the electrical rating on your old pump's label.

SHURflo 4008-101-E65 Revolution 12 volt RV fresh-water diaphragm pumpSHURflo 4008-101-E65 — 12V DCAftermarket version of 4008-101-A65 · 3 GPM · 55 PSI shutoff SHURflo 4008-131-E65 Revolution 24 volt DC RV water pumpSHURflo 4008-131-E65 — 24V DCAftermarket version of 4008-131-A65 · 3 GPM · 55 PSI shutoff SHURflo 4008-171-E65 Revolution 115 volt AC fresh-water pressure pumpSHURflo 4008-171-E65 — 115V ACAftermarket version of 4008-171-A65 · 3 GPM · 55 PSI shutoff

SHURflo Revolution 4008 exploded parts diagram

The numbered 4008 illustration appears on page 15 of Pentair's RV pump catalog (printed page 13). Positions 1–4 identify the upper housing, valve assembly, drive assembly and motor. The separate check valve and pressure switch do not have individual callout numbers in this drawing.

SHURflo 4008 and 2088 2093 factory exploded pump diagrams with model-specific repair-kit matrix
4008 and 2088 / 2093 exploded views and repair-kit chart. Select the image to read the labels at full size.

Open the full-size manufacturer diagram (PDF, page 15) — zoom in to read the small callouts. If your browser does not display the PDF above, use this link.

Numbered replacement-parts list

Pentair's service table identifies the following items for 4008-101, 4008-131 and 4008-171 OEM/aftermarket versions. Parts with links have exact-number NewRVParts listings; unlinked motor and drive references are for identification.

Callout Part number Assembly Models
1 94-800-00 Upper housing and switch assembly · View replacement 4008-101 / 131 / 171
2 94-800-01 Valve assembly · View replacement 4008-101 / 131 / 171
3 94-800-02 Diaphragm drive assembly 4008-101 / 131 / 171
4 94-11-302-00 Motor — 12V DC only 4008-101
4 94-11-303-00 Motor — 24V DC only 4008-131
4 94-11-306-00 Motor — 115V AC only 4008-171
1–3 94-800-04 Complete pump head assembly, excluding motor · View replacement 4008-101 / 131 / 171
Not shown 94-800-03 One-way check valve · View replacement 4008-101 / 131 / 171
Not shown 94-800-05 Pressure switch service part · View replacement 4008-101 / 131 / 171

Check compatibility before ordering

The 12V 4008-101 series uses motor 94-11-302-00, the 24V 4008-131 uses 94-11-303-00, and the 115V 4008-171 uses 94-11-306-00. Do not interchange motors between voltage versions. The 4028 family uses a different upper housing, drive, complete head and switch even though the 94-800-01 valve assembly and 94-800-03 check valve also appear in its Pentair service table.

Repair safely: Disconnect the pump from power, relieve water pressure and isolate the fresh-water supply before removing a pump head or switch. The factory diagram identifies parts, but does not replace the installation and servicing instructions for your exact pump.

Browse all SHURflo pump parts diagrams by model

Genuine photos of matching 4008 repair kits

These are separate replacement assemblies, not complete pumps. The 94-800-04 head contains the pump-head positions shown on the drawing, while the 94-800-00 is the upper housing only. The motor is not included with the complete pump-head kit.

SHURflo 94-800-00 replacement upper pump housing with pressure-switch assembly94-800-00 — Upper Housing AssemblyDiagram position 1 · upper housing and switch SHURflo 94-800-01 separate diaphragm-pump valve assembly94-800-01 — Valve AssemblyDiagram position 2 · not a complete pump head SHURflo 94-800-04 assembled Revolution 4008 replacement pump head94-800-04 — Complete Pump Head KitPositions 1, 2 and 3 as a repair assembly; motor separate SHURflo 94-800-03 one-way water pump check valve replacement94-800-03 — One-Way Check ValveSeparate check valve · not individually called out in the exploded view SHURflo 94-800-05 replacement pressure switch for Revolution 4008 pump94-800-05 — Pressure SwitchSeparate pressure-switch service part · different from 4028 switch

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