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Coolant Pump

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Revision as of 18:55, 15 February 2026 by ZeeKay (talk | contribs)

Coolant pumps, used for main coolant or Water/Air intercoolers

Bosch

General use

0392020034

Used on some GMs, small in size, can be used for W/A IC.

0392020034
Ratings

10w

Flow ?

Fittings:

Inlet: 5/8"? (not sure if od or id) barb

Outlet: 5/8"? barb

Mounting ?

Drawings
Wiring
Connector
Interchange numbers

0392020034, 10438993

0392022002

Similar to the 200034, but larger. Used on Supercharged Fords, etc. Suitable for higher flow intercoolers

Drawings
Wiring
Connector

2 pin Junior Power Timer

Ratings

50w

Flow ?

Fittings - Barb size ?

Mounting: ?

Interchange numbers

0392022002, 15076931, PEB500010

Pierburg

Common on VW/BWMs, various sizes to suit small intercoolers to full engine coolant. PWM controlled https://tecomotive.com/store/en/water-pumps/?o=1&p=1