Free Delivery on orders over £25 
Exclusive member perks! 
Rated Excellent by members
Over 70,000+ car products 
The radiator cap, also known as a pressure cap, is designed to maintain optimal pressure levels in your vehicle's cooling system, preventing coolant leaks and ensuring efficient engine cooling, even in high temperatures.
Without a properly functioning radiator cap, your vehicle's cooling and heating system may not be able to maintain the necessary pressure levels, resulting in inefficient cooling and potential engine overheating. So, replacing a worn or damaged radiator cap as soon as possible is vital.
Our range features reliable radiator cap replacements from top automotive brands to ensure they’re up to the job. Each cooling system part is designed to be durable — an essential feature when standing up to the wear and tear of daily driving. But don’t just take our word for it. We’re rated Excellent by our members thanks to our quality of service and wide variety of products.
Shop for a replacement radiator pressure cap for your car at My Motor World today and get free UK delivery when you spend £25 or more. Don’t forget, members get access to upgraded delivery options, plus a host of other rewards. Sign up for free today.