1 Set 40mm ID Silicone Coolant Cap with Clamp for Car Coolant Heater Bypass Blue 13mm X 11mm Outside Diameter: 20mm

Outside Diameter: 20mm

for BMW E90 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan 2006-2011

pretty artistic and durable

for GMC Sierra 2500 HD 2007-2021

Terminals: 3

1 Set 40mm ID Silicone Coolant Cap with Clamp for Car Coolant Heater Bypass Blue 13mm X 11mm Outside Diameter: 20mmFeatures: Made of 3 ply Polyester Reinforced Silicone material, which is high temperature and pressure resistance, wear resistance and durable. Improve the flow and performance of the engine cooling system. Prevent leakage of coolant and other liquids to ensure the normal operation and safety of the car. Apply for coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more. Not for fuel,