Dayco Automatic Belt Tensioner APV3753 Double-sided restore the optimum operating conditions

restore the optimum operating conditions for the timing drive system

the most critical element of a pulley's service life

DMH1711 (x1)

Equivalent to Ryco RTK25

It contains the correct dosage of limslip additive eliminating the need for a additional product when used in limited slip differentials

Dayco Automatic Belt Tensioner APV3753 Double-sided restore the optimum operating conditionsDayco 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