Dayco Automatic Belt Tensioner 89392 Mineral synthetic base oils combined advanced

synthetic base oils combined advanced additive technology including *full zinc + (exceeding 1800+ ppm levels) for maximum engine

Equivalent to Ryco RTK245

Teeth: 251

Teeth: 129

Disc brake pad wear sensors are designed to "fail" as brake pads wear

Dayco Automatic Belt Tensioner 89392 Mineral synthetic base oils combined advancedDayco 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