It seals the cooling system, maintains pressure, and allows coolant to flow back into the radiator from the overflow tank. It’s really a pretty simple part, but it handles some important jobs. It has a pressure relief valve – that’s what lets coolant escape if things get too hot and expands too much, and then it sucks it back in when the engine cools down. There’s also a vacuum valve that lets air in as the system cools, preventing a vacuum from forming which could collapse your hoses. Basically, it’s the top of your cooling system. The whole system is designed to keep the engine from overheating, and the cap is the final point of control. It keeps everything sealed tight so the coolant doesn't boil over and so you don't lose coolant while driving. Think of it like the lid on a pressure cooker – it manages the pressure inside. A bad radiator cap can cause a lot of issues. If it doesn't hold pressure, your engine can overheat, leading to serious damage. If the pressure relief valve fails, it could cause hoses to burst or coolant to spray everywhere. You’ll notice if it’s failing probably by seeing coolant leaking around the cap, or maybe the temperature gauge creeping up. It's a cheap part to replace, honestly, and it can save you a lot of money down the road. You can find a good one at Fixparts Online, or just about any auto parts store, but it's worth making sure you get the right pressure rating for your vehicle. Adaptable to any vehicle: Radiator Cap (MPN ADBP990013) comes with a 12-month warranty!

About Blue Print

Blue Print provides a comprehensive range of precision-engineered replacement parts for Asian, American, and European vehicles, known for their quality and exact fit.

Why Choose Blue Print?

• We offer a huge range of parts for lots of different car makes and models – meaning we likely have what you need. • Blue Print parts are made to the same quality as original parts, so you can be confident they'll fit and last. • We're known for being reliable and having parts in stock, getting you back on the road quickly. • Our parts are priced fairly, giving you great value for money without compromising on quality. Blue Print delivers excellence, FixParts Online delivers to your door.