The Air Conditioning Receiver Drier (MPN: 84497063) is a Genuine GM OEM part engineered for premium A/C system performance in full-size GM trucks and SUVs. This essential AC component is designed for 2500 HD and 3500 HD Silverado and Sierra models equipped with 4.3L, 5.3L, 6.2L, 6.6L gas engines, plus 6.6L diesel and 2.7L turbo variants.