Additional electric water pump VW PHAETON 2003

OEM: 1J0965561A

Disassembled car photo

Engine running

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What is this part and why does it matter?

The auxiliary electric water pump provides supplementary coolant circulation, commonly used to cool the turbocharger for a period after the engine is switched off, or to assist the main pump under certain conditions.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Turbo running hotter than expected after shutdown, contributing to premature wear
  • Check Engine light with an auxiliary coolant pump fault code
  • Whining noise from the pump after engine shutdown

Installation information

Mounted in the coolant circuit with hose connections and an electrical connector — bleed the cooling system of air after installation.

Donor vehicle description

VIN
WVWZZZ3DZ48007275
Make, model
VW Phaeton
Year
2003
Engine
Benzīns 3.2 177KW AYT
Transmission
Automatiska GML
Drive
Priekšēja
Stūre kreisajā pusē
Colour
G4R

349 parts from this car

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  • Luggage compartment side trim hatch VW PHAETON 2003
  • Engine bracket VW PHAETON 2003
  • Alternator bracket VW PHAETON 2003
  • Coolant reservoir VW PHAETON 2003
  • Washer fluid reservoir VW PHAETON 2003
  • Cabin air duct VW PHAETON 2003
  • Trunk curtain VW PHAETON 2003
  • Windshield wipers VW PHAETON 2003
  • Windshield wipers VW PHAETON 2003
  • Washer fluid pump VW PHAETON 2003
  • Outside mirror, right VW PHAETON 2003

Frequently asked questions

This is intentional — on turbocharged engines, residual heat in the turbo after shutdown can cause oil to coke inside it without continued coolant flow, so this pump keeps circulating coolant for a short period to cool it down safely.

What our customers say

  • Price: affordable. Service: electrical equipment repair.

    A
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    September 2026

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    August 2026

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    Paul F.
    June 2026

  • Super fast delivery of the part, and good quality of the used part. Thanks for the service.

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    May 2026

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