Auxiliary Electric Water Pump for VW Audi 078121601B

OE Number

078121601B, 078121601A, 078121601

Fitment

VW Passat (B6, B7), Jetta, Golf (Mk4, Mk5), Audi A6 (C5), A4 (B6, B7), TT, VW Sharan, VW Transporter (T5)

Applicable Engine

1.8T, 2.0T, 2.8L, 3.0L V6, 3.2L FSI

Type

Electric Water Pump (Auxiliary / Heater Circuit)

Function

This auxiliary electric water pump is designed to circulate coolant through the heater core to provide cabin heating. It ensures that the cabin remains warm even when the engine is idling or during the warm-up phase. In some configurations, it may also assist in cooling the turbocharger or EGR system after engine shutdown.

Features

OEM standard quality, reliable electric motor, durable housing, and corrosion-resistant connectors. Direct replacement for the original unit found in VW and Audi models. Essential for maintaining cabin comfort and proper engine thermal management.