To mount an aftermarket oil cooler adapter sandwich plate on the VR6 / R32 Alu cover cap VW/Audi VR6 / R32 for OEM oil cooler Adapter Cap for oil cooler for VW/Audi VR6 from 97, R32 To mount an oil cooler adapter sandwich plate on the VR6 / R32 The cover cap is mounted on the sandwich plate instead of the original plastic cover. Together with our longer oil riser tube, our oil cooler kit can be mounted on every VR6 engine from 97 up and every R32 engine. This cover is already included in our VR6 and R32 oil cooler kits! filter connection thread: 3/4" UNF or M18x1.5