Description: S-series. Without 4.3l. 1985-94. With rear ac. 2.5L. 2.3L. 3.0L. 2.0L. 1st design. Allows HVAC controls to function during low engine vacuum conditions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Upper. To condenser. 2.5L, cond to evaporator. 8 cylinder. 2.3L, cond to evaporator. 3.0L, cond to evaporator. 2.0L, cond to evaporator. Small. At condenser. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: Engages compressor Consists of pulley, pressure plate, and electromagnetic coil This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original 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

Description: 2nd Design. Cavalier, Sunfire. Without turbo. All models. 5.3l. With atc. All models. 6.6l. Hummer H2. 1st Design. Park Avenue. Optional. Restores A/C performance due to restricted orifice tubes This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original 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