ATP Y-1285 Automatic Transmission Shifter Cable is designed to connect the transmission selector lever/shifter to the transmission linkage. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Transmission Shifter cables are designed to fit and function just like the original part to ensure durability and long life. ATP part number Y-1285 is engineered to replace the original equipment automatic transmission shifter cable for 1999-2007 Chevrolet/GMC Truck, RWD, Silverado, Sierra, 4.3L, 4.8L, 5.3L, 6.0L (4L60E trans) models.