Dayco Automatic Belt Tensioner APV2552 Gold Equivalent to Ryco RTK253

Equivalent to Ryco RTK253

Crank bore: 45mm

with an advanced additive system to provide ultimate performance and protection under all operating conditions

fully licensed/approved mineral diesel engine oil designed for use in vehicles with and without Diesel Particulate Filters (DPF)

DMH4811 (x1)

Dayco Automatic Belt Tensioner APV2552 Gold Equivalent to Ryco RTK253Dayco 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