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The MAN 51041010748 is an exhaust valve, a critical component in internal combustion engines. This valve regulates the flow of exhaust gases out of the engine cylinder, ensuring efficient combustion and reducing emissions. It's used in diesel engines to control the expulsion of burnt gases. This valve improves engine performance through optimized gas flow and enhances durability for extended engine life. The dimensions of this exhaust valve are 38 x 38 x 160 mm.
These little guys basically control the flow of exhaust gases out of your engine. They open and close, timed perfectly with the engine’s cycle, to let the burnt fuel and air escape. There are usually multiple of them per engine – one for each cylinder, generally. They don’t just open and close randomly though, a camshaft dictates when and how far they open. It’s a pretty precise operation.
Think of it as one part of a larger system that gets rid of the waste products from combustion. The exhaust valve works alongside the intake valve, the pistons, and the camshaft to make the whole engine cycle work efficiently. It's directly involved in how much power your engine can make and how cleanly it runs. It’s responsible for letting the “bad air” out so fresh air and fuel can come in and repeat the process.
If an exhaust valve fails, you’ll notice it. You might get a loss of power, rough idling, a misfire, or even a check engine light. Sometimes you'll hear a ticking sound. It can also lead to more serious issues like engine damage if it’s not addressed. A good exhaust valve acts like a shield, protecting the rest of the engine from overheating and maintaining performance. They take a lot of heat and stress, so they do eventually wear out. If you’re doing a head job or rebuilding an engine, it’s always smart to replace the exhaust valves along with the guides and seals. You can find a good selection of these, and all the related parts, over at Fixparts Online if you're looking.
Shop smarter: Exhaust Valve (MPN 51041010748) is covered for 12 months!
About MAN
MAN Truck & Bus focuses on innovation, efficiency, and reliability in commercial transport solutions.
Why Choose MAN?
• MAN auto parts are built to last, using high-quality materials so you don’t have to replace them often.
• We have a huge selection of parts for many different vehicles, making it easy to find what you need.
• Our parts are designed to meet or beat the original equipment standards, ensuring a perfect fit and reliable performance.
• We offer competitive prices and fast shipping, so you can get your vehicle back on the road quickly and affordably.
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