Radiator Hose Adapter

40mm - Coolant Temperature Adapter


Our 40mm Radiator Hose Adapter allows you to modify your stock top radiator coolant hose throughout the majority of 4 cylinder and 6 cylinder BMW’s. It also supports a water temperature probe.

Radiator Hose Coolant Temperature Adapter

Our 40 mm Radiator Hose Adapters with the water temperature probes  are made to easily fit to the existing top radiator hose of the 4 cylinder and 6 cylinder BMW’s such as BMW M42, M43, M44, M50, M52, M54, S50, S52, S54 engines. It is designed for the V2 & V4 Kits, while the M1 K.C. Rev. 2 Kit uses its own top radiator hose.

The Hyde Motor Works Radiator Hose comes with two hose clamps and a temperature probe.

Additional information

Weight.600 kg

Officially tested with M4x, M5x engines. Unofficially it may also support the M20 & M60, N62 and other engines.

Technical Details

40mm OD, Machined aluminum, black anodized, engraved, Has threaded hole for temperature probe.


This is a universal part, determine the size you require first.