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. Premium parts, premium warranty: Cylinder Head (MPN 37D-6C-11G12) is covered for 12 months!

About Komatsu

Komatsu is a global leader in construction and mining equipment, known for its durable, high-performance machinery.

Why Choose Komatsu?

• Komatsu parts are built to last, meaning less downtime and more work getting done. • Our parts are designed specifically for Komatsu equipment, ensuring a perfect fit and optimal performance. • We have a huge inventory of parts, so you can get what you need quickly. • Genuine Komatsu parts help maintain your machine’s value and protect your investment. Komatsu delivers excellence, FixParts Online delivers to your door.