Rear Diff Front Mounting Bush PFR85-523 for Golf MK6 Bentley > Continental > GT 2003-11 Forge Motorsport recognised this common

Forge Motorsport recognised this common failing and developed an aluminum two piece replacement recirculation valve

To check your vehicle

A pair of alloy male to male bayonet style 65mm couplers

which is a substantial improvement over the single ply rubber OE hose

Our alternative is a fully engineered solution

Rear Diff Front Mounting Bush PFR85-523 for Golf MK6 Bentley > Continental > GT 2003-11 Forge Motorsport recognised this commonRear Diff Front Mounting Bush PFR85 523 This bush fits models only where the bush location in the diff casing measures 30mm tall as found on AWD 2004 2015 PQ35 platform vehicles. If in doubt, measure the height of the front casing mount before ordering. If the mount is 35mm in height and the OEM part number on your vehicle is 1K0 599 437, please use PFR85 524. OEM Part Number: 1K0599431 Size 30mm Diagram Position: 24 Number of Bushes Supplied: 1