Coolant Pump
Appearance
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.

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

Common on VW/BWMs, various sizes to suit small intercoolers to full engine coolant. PWM controlled