OEM Factory VW/Audi Radiator Cap 171121321D Tested GOOD Made In Germany This is a used but perfectly functioning, original VW part from a MK2 VW Jetta. No white crust, no discoloration, soft and pliable seals, seats firmly onto the reservoir. Much heavier plastic with a higher temperature tolerance than the cheap aftermarket ones available, the OE replacement is nearly $65. This piece will fit a wide variety of European cars, mostly German, from the 1970s into the 1990s. Check part number to verify fitment with your specific vehicle.
