Jump to content

Coolant Pump

From epicEFI Wiki
Revision as of 21:01, 15 February 2026 by ZeeKay (talk | contribs) (Bosch)

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 (Cobra Pump)

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

0392023004

Mercedes-Benz

Drawings
Wiring
Connector

2 pin 1J0973722(?)

Ratings
  • 13W
  • Operating Pressure (PSI) 1.45
  • 4 GPM (15L/Minute)
  • 3/4″Lip Creates a Secure Connection when used on 5/8″ Hose
  • IP69K Protection Type
  • Recommended Mounting Clamp 2.25″
Interchange numbers

0392023004, 1718350064, 1978350064, 2048350364, 2118350264, 6398350064, 16-00102

Pierburg

CWA Flow Rates

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