Fuel cooling radiator VW PASSAT 2004 UNIVERSAL GREY

OEM: 3B0203492A 3B0201486F

Disassembled car photo

Engine running

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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.

Donor vehicle description

VIN
WVWZZZ3BZ5E024942
Make, model
VW PASSAT
Year
2004
Engine
Diesel 1.9TDI 96KW AVF
Transmission
Manual 6-speed GVS(6S)
Drive
Front
Colour
2A/D7W

368 parts from this car

  • Front left lamp VW PASSAT 2004 UNIVERSAL GREY
  • Rear left lamp VW PASSAT 2004 UNIVERSAL GREY
  • Front right lamp VW PASSAT 2004 UNIVERSAL GREY
  • Rear right lamp VW PASSAT 2004 UNIVERSAL GREY
  • Gear shifter cloth cover VW PASSAT 2004 UNIVERSAL GREY
  • Steering wheel VW PASSAT 2004 UNIVERSAL GREY
  • Understeering's shifter VW PASSAT 2004 UNIVERSAL GREY
  • Starter VW PASSAT 2004 UNIVERSAL GREY
  • Rear left door lock VW PASSAT 2004 UNIVERSAL GREY
  • Window regulator front left VW PASSAT 2004 UNIVERSAL GREY
  • Outside mirror, right VW PASSAT 2004 UNIVERSAL GREY
  • Rear right door lock VW PASSAT 2004 UNIVERSAL GREY

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.

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