The Perrin coolant hose adapter is an essential piece to provide a proper location to record your water temps and water pressure readings.
This is that last crucial upgrade to provide that quick and simple install for those looking to measure coolant temperaturers at the lower and/or upper radiator hose.
Makes Gauge Installation Easy
When installing your water temperature sensor to your coolant lines, you will most likely have to modify your lines in order to get a sensor in there. With the PERRIN Coolant Hose Adapter, create a clean and reliable modification to your lines while maintaining a neat aesthetic to your engine bay.
- Thread type is 1/8 PT (Japanese Sensor Threads) however will work with 1/8 NPT (American Sensor Threads)
- 38mm / 1.5in used for most Subaru Radiator hose application & other 38mm universal fitments.
- 2x Adapters are required to measure both upper & lower radiator hoses)