GM V-ribbed Serpentine Belt 12637201

Description

Silverado sierra. 4.3l. Without heavy duty. 4.3L with ac. 2003-14 with ac 145 amp. Express savana. 4.3l. With ac compressor. 145 amp alt. Without auto controls. Allows for the operation of various pulleys and drive belt accessories with the use of a single beltCreates a secure point of contact with the pulley which allows for tractionOriginal equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations depending on the part type Serpentine Belt.