This gasket basically seals the space between the engine block and the cylinder head. Think of it as a really important seal – it prevents combustion gases, coolant, and oil from leaking where they shouldn’t. It has multiple layers, designed to withstand incredible heat and pressure from inside the engine. It’s not just one seal, it’s a bunch of seals all working together in one piece. It’s right at the heart of things, honestly. It’s a critical component in making sure your engine runs properly. Without it, you’ve got a major problem. It ensures the engine maintains compression – that’s what gives your car power. It also keeps your coolant and oil where they need to be, preventing overheating and lubrication failures. It acts like a shield, keeping everything contained and working as designed. Well, if this gasket fails, you’ll notice pretty quickly. You might see white smoke coming from the exhaust – that’s coolant getting into the cylinders. You could have oil mixing with the coolant, making your oil look milky. Or you might just lose compression, meaning your engine won’t run well, or even at all. It’s one of those parts where, if it goes bad, you will know it. Replacing it can be a bit of work, but it’s absolutely vital to get your engine running smoothly again. We carry a good selection of these at Fixparts Online, and getting the right one for your vehicle is really important. Smart investment: Cylinder head gasket (MPN 4.20240) comes with a 12-month warranty!

About DT

DT is a reputable German brand specializing in high-quality spare parts for commercial vehicles. Based in Germany, DT provides reliable components that support the durability and performance of automotive fleets.

Why Choose DT?

• We have a huge selection of parts for most makes and models, so you're likely to find what you need. • Our prices are competitive, helping you save money on your auto repairs. • We offer fast shipping, getting parts to you quickly so you can get back on the road. • You can easily reach our friendly and knowledgeable customer service team if you have any questions. Performance you can rely on – DT parts from FixParts Online.