Radiator Cap

The innovative Gaslock radiator cap, compliant with SAE J164 standards, sets new benchmarks in both functionality and design. Suitable for a wide range of vehicle types, it simplifies maintenance significantly thanks to its interchangeable primary gasket. Easy screwing and unscrewing ensure user-friendly handling.

Standard “Mini” Size – Ideal for Motorcycles, Scooters, ATVs, Side-by-Sides, Snowmobiles, and More

This version features a bayonet-style radiator cap, designed for various internal pressure levels (0.8 to 1.8 bar). Our system uses coil springs instead of stamped leaf springs, allowing for a replaceable main seal. This design makes installation easier and more material-friendly. An optional safety screw prevents accidental opening of the cooling system at high engine temperatures.

Standard “Small” Size – Ideal for Most Passenger Vehicles

This version is precision-machined from high-grade stainless steel and features a design cap made of anodized aluminum. It’s an exceptionally high-quality option for motorsport applications and for enthusiasts who appreciate premium performance accessories. The cap is fully disassemblable, and all seals are replaceable. This radiator cap is also available for various internal pressure levels (0.7 to 1.8 bar).

Custom Design Options – Made in Germany

Every radiator cap can be tailored to meet your individual needs and preferences. Whether it’s laser-engraved logos or custom design elements – we manufacture each cap according to your exact specifications. All components are produced in Germany and sourced from local suppliers. This not only ensures the highest quality but also supports the local economy.
This product is the ideal solution for anyone who values quality, efficiency, and customization. Visit our product page to learn more about the technical specifications and wide range of applications of the Gaslock radiator cap.