Bevinsee Cooler Reservoir Cap Compatible with Audi S3/A3 8V 2013-2020 8Y Compatible with VW Jetta Golf 7 Replacement 2Q0121321 3C0121321 5Q0121321 Aluminum Antifreeze Cap Black
【6061 Aluminum Alloy】The high temperatures in the engine compartment accelerate the aging of factory plastic Cooling reservoir cap. Upgrading to 6061 aluminum alloy ensures better heat resistance and durability, maintaining correct pressure and improving cooling efficiency
【Enhanced Grip, Easier Installation】Featuring a double anti-slip pattern design, this cap offers greater friction compared to the factory one-piece handle, easy installation and removal
【Installation Tips】Please make sure the car is completely cooled before installation! Wear safey gloves ,cover the Cooling reservoir cap with a cloth and carefully open .Use a flat screwdriver to detach the factory pressure release valve and attach it to the new aluminum alloy cover. Tighten the cover
【Sturdy and durable】CNC machined, anodized for rust-proof durability and long-term performance
【Compatibility Check】Before purchasing, please confirm that the part number of reservoir cap: 3C0121321,2Q0121321,5Q0121321