Fuel cooling radiator VW PASSAT B6 2006 ANGL. UNIVERSAL

OEM: 3C0203491D-1

Disassembled car photo

Engine running

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Details for this exact part

Code
3C0203491D-1
OEM
3C0203491D-1
Condition
Used
Availability
1 in stock - ready to ship
Make, model
VW PASSAT 2005-2010
Year
2006
Engine
Diesel 2,0L 103KW - BKP
VIN
WVWZZZ3CZ6E143473

What is this part and why does it matter?

The fuel cooler radiator lowers the temperature of fuel returning to the tank, particularly important on high-pressure diesel systems where fuel can heat up significantly.

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Signs of a faulty part

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

  • Fuel-related fault codes linked to high fuel temperature
  • Reduced fuel economy from an overheating fuel system
  • Visible leak or damage on the cooler

Installation information

Mounted in the fuel return line, usually near the tank — check for leaks after installation and refilling.

Frequently asked questions

High-pressure fuel systems (especially common-rail diesel) generate significant heat, and returning overly hot fuel to the tank can affect fuel density readings and, over time, degrade fuel and components.

Donor vehicle description

VIN
WVWZZZ3CZ6E143473
Make, model
VW PASSAT B6 Variant
Year
2006
Engine
Diesel 2,0L 103KW - BKP
Transmission
6-speed Mechanic - HDV
Drive
Front
Equipment
RHD
Colour
W9 / C5F

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What our customers say

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    Didier V.
    August 2026

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    Toyota Avensis
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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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    Front fender
    October 2025