Genuine Mazda RX-8 Radiator Cap

The Mazda RX-8 Radiator Cap is a small pressure guardian, which restrains coolant at a pressure of approximately 16 psi in such a way that the rotary engine can be pushed without the danger of overheating. The Radiator Cap serves as a seal and as a spring-loaded valve, clamping the radiator neck and directing excess fluid to the overflow bottle when the temperature is too high, but sucking the excess fluid back into the cooling loop when temperatures drop requiring no driver input whatsoever. With its simple installation, the component fits directly onto any RX-8 trim between 2003 and 2012 with six-speed manual or either of the two automatics and provides an owner with a single reliable specification to utilize. Mazda chose this one pressure rating because it increased the boiling point of the coolant, sealed vapor pockets, and thus prevented the delicate apex seals from being subjected to heat stress, a decision that ultimately gave the brand some credibility with regard to stamina on the track and dependability on weekdays too. There are two varieties that are approved by the factory and these are a liquid-release unit and a dual-valve type, which also releases trapped air but still fits and performs the same so that the drivers can have a choice and not compromise on anything. When the pressure is caused to decrease by a spring that is tired or a gasket that has worn out, boiling coolant or other unexpected steam is seen much before an external leak, so visual checks of the coolant are an easy safety practice to make a regular habit for Mazda enthusiasts. By replacement of a worn-out Radiator Cap, the system integrity, thermal efficiency, and unnecessary engine damage costs are all saved. The cap becomes a minor yet critical component of the Mazda cooling plan, whether it is in the city streets, on the back roads or on the full-throttle straights, all RX-8 lovers are at ease knowing that this cap is an amalgamation of universal compatibility and clever self-regulating design and that it will be there when needed.

Looking for Radiator Cap with proven quality? Choose OEM Radiator Cap. Mazda designs and builds them to strict factory specs. Every piece goes through rigorous quality checks. You'll get parts that fit right and work like new. Shop our huge inventory of OEM Mazda RX-8 parts. Enjoy the highly competitive prices online. Our site is your one-stop shop. Each genuine RX-8 part includes a manufacturer's warranty. Buy with confidence. Our return policy is simple and hassle-free. In a rush? Choose expedited delivery at checkout. You'll love the streamlined experience from search to checkout to receiving your order.