Features: Engineered with intelligent temperature regulation, this radiator bypass valves optimizes coolant flow to prevent overheating and overcooling, ensuring engine performances. Crafted from corrosion resistant aluminum alloy, the thermal bypass valves withstands extreme driving conditions while maintaining precise coolant circulation for transmission system protection. Maintains engine stability during cold starts, heavy loads, and temperature fluctuations across urban commutes or journeys. Enhances overall cooling system efficiency by reducing component wear, extending service life, and delivering consistent thermal management for critical drivetrain component. The bypass valves can intelligently adjust the coolant flow rate according to the real-time temperature of the engine, effectively preventing overcooling and overheating, and improving driving safety. Specifications: Product Name: Coolers Thermal Bypass Valves Product weight: 300g Component:Metal Size: Approx.103x51mm/4x2inch Part Number:86774933 Product material: aluminum alloy Package Includes: 1pcs Radiator Bypass Valves note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.