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Oil return line for A3 and B4 TDI models with engine codes AHU and 1Z. This line replaces the line with a banjo bolt that was original equipment on these engines. To use this line on an AHU or 1Z engine you will also need the threaded union junction, shown below.

Available Options:

  Hardware (+$1.40)
  Oil Return Line Gasket (+$3.50)

  Select Vehicle to Check Fitment
3 Unit(s) in Stock
  Name Price Select
Turbo Oil Return Line Threaded Union Junction (A3)(B4)(A4 Early) Turbo Oil Return Line Threaded Union Junction (A3)(B4)(A4 Early) $9.49
  • Jetta TDI MkIII (A3 chassis) w/ AHU Engine (1997-1999)
  • Passat TDI (B4 chassis) w/ AHU/1Z Engine (1996-1997)
OEM VW parts come from VW and are clearly marked with the VW logo and part number and/or boxed in VW boxes or bags. While sources many parts directly from manufacturers that supply VW, items marked as OEM VW are purchased from Volkswagen itself.

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