It basically does what the name suggests – it cools your engine oil. Oil gets really hot as it circulates, lubricating all those moving parts. The cooler is a small radiator that the hot oil passes through. It uses outside air, kind of like your car’s regular radiator, to bring that oil temperature down. Think of it as an extra heat exchanger for your engine. It’s part of the engine's cooling system, but it doesn’t cool the engine directly, it cools the oil. The oil then carries that cooling effect back to all the engine's internal bits. Usually you'll find these on cars that work a little harder – performance vehicles, turbocharged cars, or anything doing a lot of towing, things that put extra stress on the engine and therefore heat up the oil faster. It sits somewhere up front, often near the radiator, to get good airflow. Hot oil breaks down faster. It loses its lubricating properties and can cause wear and tear on your engine’s components. The oil cooler helps maintain a consistent oil temperature, extending the life of your oil and protecting your engine. You’ll notice if it fails because your oil temperature light might come on, or you may experience reduced performance. It's a preventative measure, really. Parts like this aren’t always immediately noticeable when they go bad, but they're working hard to keep things running smoothly. You can find a good selection of oil coolers, including replacements for a lot of makes and models, over at Fixparts Online if you're looking. Proven by drivers: Oil Cooler (MPN 4.66645) is backed by a 12-month warranty!

About DT

Diesel Technic’s extensive range covers all essential components, ensuring cost-effective maintenance solutions.

Why Choose DT?

• We have the parts you need, even for older or less common vehicles. • Our prices are competitive – you get great value for your money. • We offer fast shipping, so you can get back on the road quickly. • Our customer service team is friendly and ready to help with any questions. Performance you can rely on – DT parts from FixParts Online.