Fits 2001-2004 Freightliner Century Class A/T Serpentine Belt Tensioner 55857 steering-rebuild-and-service-kits Main bodies are factory assembled

Main bodies are factory assembled and kit includes new gaskets to complete the conversion

1L 1975-1981 Chevrolet C10 Custom 6L/4

2L/L4 1985 - 1986 Plymouth Caravelle 2

5 V8 1972 - 1974 Mercury Monterey Base 460/7

1967-1972 GMC K15/K1500 Pickup 350 CID

Fits 2001-2004 Freightliner Century Class A/T Serpentine Belt Tensioner 55857 steering-rebuild-and-service-kits Main bodies are factory assembledGoodyear 55857 Automatic Serpentine Belt Tensioner Assembly Goodyear's automatic tensioners and pulleys are meticulously designed to offer complete support to an engine's belt drive system. In today's modern engines, the belt drive system plays a critical role in transferring power from the engine's crankshaft to essential accessories, ensuring smooth and comfortable vehicle operation on the road. Over time and with high mileage, engines can