A-Premium Thermostatic Expansion Valve (TXV).2015–2020 Chevrolet Tahoe (Rear)2015–2020 Chevrolet Suburban (Rear)2015–2020 GMC Yukon (Rear)2015–2020 GMC Yukon XL (Rear)2015–2020 Cadillac Escalade (Rear)2015–2020 Cadillac Escalade ESV (Rear)