Buick Enclave 2008-2017. Buick LaCrosse 2005-2009. Cadillac XT5 2020-2023. Cadillac XT6 2020-2023. Cadillac ATS 2013-2019. Cadillac CTS 2014-2019. l 【 Leak-Proof Design 】 : The valve is engineered to maintain a tight seal, preventing refrigerant loss and keeping your system running at peak efficiency.