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.
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.
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.
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Ilmars K.
August 2026
★★★★★
I ordered a Heater Blower Motor Resistor for a Toyota Avensis. Delivery took eight days from Latvia to Ireland. I installed it, and everything works perfectly. I wish this company success.
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Toyota Avensis
August 2026
★★★★★
No complaints about Evro Trans itself, everything's fine. But the delivery..... It felt like the order was being carried by turtles. 4 days from Riga to Daugavpils. Judging by the tracking, the parcel just sat somewhere behind a shed for 3 days, then they found it and delivered it the next day. I think that's why I won't be ordering there again.
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June 2026
★★★★★
Super fast delivery of the part, and good quality of the used part. Thanks for the service.
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Natālija I.
May 2026
★★★★★
I ordered antifreeze heaters and an auxiliary pump. Everything arrived quickly, the very next day, and matched the description. I'm satisfied.
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February 2026
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November 2025
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