Upgrade your vehicle's engine cooling system with this Apexi Radiator Cap. Designed for Toyota, Sti, Wrx, Imperza, Mitsubishi, Mazda and Rx7 Gts, this screw-on Radiator Cap ensures effective sealing and prevents leaks. Made in Japan, this polished chrome Radiator Cap comes with mounting hardware and does not require any modifications for installation.


Tested for durability and guaranteed leak-free, this Apexi Radiator Cap is a must-have for every car enthusiast. With its OE/OEM Part Number 591-A001, this Radiator Cap is the perfect fit for your vehicle. Get yours today and experience a smoother and more efficient driving experience.