T4 Transporter Water Hose - Oil Cooler To Cylinder Block - VR6 Engines (AES Engines)

This replacement rubber coolant hose connects the oil cooler to the cylinder block on Volkswagen VR6 engines. It is fitted to T4 Transporters equipped with the 2.8 VR6 (AES) engine and is also used across other VR6-powered Volkswagen models.

The oil cooler relies on a constant flow of engine coolant to regulate oil temperature effectively. This hose allows coolant to circulate between the cylinder block and the oil cooler, helping to stabilise oil temperatures, reduce engine wear, and maintain consistent performance under load.

Due to its location and constant exposure to heat, oil, and coolant, this hose can deteriorate over time. Age-related cracking, softening, or swelling can lead to coolant leaks, which may result in overheating or oil temperature issues if left unaddressed. Replacing the hose as part of routine maintenance or during cooling system repairs helps ensure long-term engine reliability.

This is a good quality replacement hose, manufactured to the correct internal diameter and shape for a direct fit. It installs easily without modification and is suitable for both standard maintenance and restoration work on VR6 engines.

Fitment notes:

• Fits VR6 engines only

• Located between the oil cooler and cylinder block

Other parts that may be required or worth checking when fitting:

• Hose clips / clamps

• Oil cooler sealing O-rings

• Adjacent coolant hoses and pipework

• Coolant condition and level

Maintaining this hose in good condition is essential for proper oil temperature control and overall cooling system performance on VR6 engines.

Engine Compatibility

• AES – 2.8 VR6

• AAA – 2.8 VR6

• ABV – 2.9 VR6

Applications

• VW T4 Transporter: 1996 – 2003 (VR6)

• VW Golf Mk3: 1993 – 1998 (VR6)

• VW Corrado: 1989 – 1995 (VR6)