Applicable for Cadillac CT6 (2016–2018) and Escalade (2015–2018). Part Numbers: 86774933, 85585333, 13511136, 8677-4933. The bypass valve regulates coolant flow within the engine and cooling system based on temperature, optimizing engine performance and preventing overheating or excessive cooling. Improves engine efficiency by helping the engine reach optimal operating temperature faster during cold starts and maintaining stable temperatures under extreme conditions. Made from high-quality aluminum alloy for durability, wear resistance, and reliable thermal performance. Functions as a key component in the transmission cooling system, enhancing reliability and efficiency while reducing the risk of premature wear or failure. Name: Cooler Thermal Bypass Valve Fitment Type: Direct Replacement Color: Silver Material: Metal Package Contents: 1 x Cooler Thermal Bypass Valve Note: Color may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.