Dayco Hydraulic Automatic Tensioner HAT21 HAT-and-Waterpump Equivalent to Ryco RTK187

Equivalent to Ryco RTK187

Flange to base: 35mm

Features a unique Blue Titanium Stripe for instant positive pedal feel and an exclusive insulation layer for cooler braking and longer life

Incorporates high efficiency media designed to remove more dirt to keep the engine cleaner

Dayco Hydraulic Automatic Tensioner HAT21 HAT-and-Waterpump Equivalent to Ryco RTK187Hydraulic Automatic Timing Belt Tensioners ensure proper transmission efficiency for the entire life of the timing belt. This is achieved by the Hydraulic Automatic Tensioner keeping constant correct tension on the timing belt during engine operation. Compared with fixed type timing belt tensioners, timing belt life is increased, along with other timing drive train components such as pulleys and bearings. All Dayco Hydraulic tensioners meet or exceed