Dayco Automatic Belt Tensioner 89421 Highflow Outside diameter: 136mm

Outside diameter: 136mm

the Tridon coolant temperature sensor range has been carefully researched and engineered to operate within original equipment manufacturer's specifications for each specific application

This short bedding-in time is thanks to an optimised surface

DMH1685 (x1)

a mini thermostat itself

Dayco Automatic Belt Tensioner 89421 Highflow Outside diameter: 136mmDayco No Slack Automatic Belt Tensioner is designed to maintain constant tension on serpentine belt drives. The serpentine belt drives consist of a single belt that powers most, if not all, of the engine's accessories. To maintain the proper tension throughout the drive, an automatic, spring loaded tensioner is incorporated into the drive system geometry. Dayco's Automatic Belt Tensioner features a patented "flat spring" design that's engineered to