Dayco 3G-OTH-486463 — Technical Specifications

The DAYCO Self-Adjusting Belt Tensioner, model 89379, is a single-pulley tensioner with a 4-inch outside diameter. As an OEM-spec replacement part, it is designed to maintain proper belt tension in vehicle accessory drive systems. 3G Electric interprets customer demand and delivers this genuine DAYCO component across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.