Basically, it seals the top of the cylinders in your engine. It houses all the valves, spark plugs, and intake and exhaust ports. Fuel and air come in through those ports, get mixed, the spark plug ignites it, and the resulting explosion pushes the piston down. The cylinder head is where all that controlled combustion happens. It also has coolant passages running through it to help manage engine temperature and oil passages to lubricate everything up top. It’s a core part of your engine – you can think of it as the engine's “top end.” It works directly with the pistons, connecting rods, and crankshaft to turn fuel into motion. Everything from how smoothly your engine runs to how much power it makes relies on a good cylinder head. It’s a critical component in the entire process of powering your vehicle. Well, if the cylinder head fails, things go downhill fast. You’ll notice if you have a blown head gasket – often it starts with overheating, white smoke from the exhaust, or coolant mixing with the oil. Even a small crack can lead to a loss of compression, which means less power and reduced fuel economy. It acts like a shield, keeping everything contained, so if that seal is broken, you’re looking at serious engine damage. Keeping it in good shape is essential for a reliable engine. You can often find replacements pretty easily, places like Fixparts Online have a good selection. It’s definitely one of those parts you don’t want to put off repairing if you suspect a problem. Easy returns and support: Cylinder Head (MPN F01M100947) has a 12-month warranty!

About Bosch

Bosch is a global leader in automotive technology from Germany, celebrated for its innovative products and high-quality components. Based in Germany, Bosch drives advancements in vehicle safety and efficiency worldwide.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, saving you money in the long run. • They work well right out of the box, so you can get back on the road quickly and easily. • Bosch invests a lot in research and development, meaning they’re always improving their parts with the latest technology. • Whether you drive a newer car or an older one, Bosch has a wide range of parts to fit your vehicle. Bosch – trusted quality, available at FixParts Online!