Valve train components – precision control for engine timing
Valve train components are essential for the proper operation of internal combustion engines. They control the opening and closing of intake and exhaust valves, ensuring precise timing and airflow within the combustion chamber. High-quality valve train components are critical to engine performance, efficiency and longevity – especially in high-load industrial and marine engines.
Choose from following:
VALVE TAPPET - 81523150018 suitable for MAN D engines
Valve tappet with comparison number 81523150018Discover the top-quality valve tappet suitable for MAN D engines, with the comparison number 81523150018. This significant product belongs to the category of valve train components and is essential for the efficient control of valve opening. Weighing only 0.028 kg, the valve tappet is lightweight yet durable, capable of withstanding the demanding conditions in marine and stationary applications.Consider our OEM replacement partsAs a provider of OEM replacement parts, we are proud to present you with this valve tappet as a high-quality solution. The OEM replacement part is specifically tailored to the unique requirements of engines and offers precise performance. Rely on our many years of experience, which makes our products the ideal choice.
VALVE SEAT - 81521580017 suitable for MAN D engines
Valve Seat for Reliable Engine PerformanceDiscover our valve seat with the comparison number 81521580017, an essential product for performance optimization. This OEM replacement part is specifically designed for MAN D engines and ensures reliable sealing in the valve train. Weighing only 0.001 kg, this valve seat helps increase the efficiency of your engines and minimize failures.
VALVE SEAT - 81521580013 suitable for MAN D engines
Precise Information on Valve SeatDiscover the valve seat with the comparison number 81521580013, specifically designed for engines. This product falls under the category of valve train components and offers you quality and reliability for your applications. With a lightweight of only 0.001 kg, the valve seat is optimally suited to deliver the best performance in your marine and stationary applications.Valve Seat Suitable for MAN D EnginesThis valve seat is an OEM replacement part, making it suitable for MAN D engines. With the comparison number 81521580013, this product meets the highest quality standards set by the equipment manufacturers. A precise fit is essential to maximize the efficiency of your engine and extend its lifespan.
VALVE PLUNGER - 81521566006 suitable for MAN D engines
Valve plunger with comparison number 81521566006The valve plunger with the comparison number 81521566006 is an indispensable OEM replacement part that is optimally integrated into the valve train of engines. This product impresses with its reliability and quality, suitable for demanding applications.
VALVE PLUNGER - 81521566005 suitable for MAN D engines
Practical Valve Plunger for MAN D EnginesDiscover the valve plunger with the comparison number 81521566005, a product from the category of valve train components. This OEM replacement part is suitable for MAN D engines and offers reliability as well as excellent functionality, which is essential for marine and stationary use.
VALVE PLUNGER - 81521560028 suitable for MAN D engines
Valve Plunger for MAN D – Your Reliable Replacement PartDiscover our valve plunger with the comparison number 81521560028, designed for MAN D engines. This product belongs to the category of valve train components and is crucial for the optimal performance of your engines. Weighing just 0.12 kg, this valve plunger is not only lightweight but also extremely robust and durable.Quality OEM Replacement Parts for Your EnginesOur OEM replacement parts stand for the highest precision and reliability. The valve plunger, suitable for MAN D engines, provides the performance you expect from a replacement part. Trust in the expertise that comes from over 25 years of experience in the field of engine parts, and rely on products that impress.
VALVE PLUNGER - 81521560013 suitable for MAN D engines
Excellent Product: Valve PlungerDiscover the valve plunger with the comparison number 81521560013, an essential product for the efficiency of your machines. This OEM spare part is suitable for MAN D engines and belongs to the category of valve train components. Weighing only 0.03 kg, this spare part is lightweight yet sturdy enough to meet the demands of challenging applications.Reliable Quality through OEM Spare PartsOur spare parts are OEM spare parts that provide you with unparalleled reliability. Unlike aftermarket products that often compromise on quality, you can rely on materials that meet the manufacturer's standards. The valve plunger with the comparison number 81521560013 not only ensures optimal performance of your engines but also contributes to the longevity of your facilities.
VALVE PLUNGER - 81521560010 suitable for MAN D engines
Valve Plunger – Comparison Number 81521560010The valve plunger with comparison number 81521560010 is an essential OEM spare part that ensures reliable functionality for various engines. This product enhances the valve train and boosts the efficiency of engines that rely on peak performance. Weighing only 0.15 kg, the valve plunger is easy to install and perfectly tailored to meet the requirements for marine and stationary use.Suitable for MAN D Engines – Ideal for Professional ApplicationsThis OEM spare part is suitable for MAN D engines and has been manufactured with the highest precision. You can rely on the durability and reliability of this valve plunger. As a company specializing in engine spare parts, we can assure you that this product significantly supports the performance of your engines.
VALVE CONE - 81521536003 suitable for MAN D engines
Precision & Quality of the Valve ConeDiscover our product with the comparison number 81521536003 – a valve cone specifically designed to meet the highest standards. This valve cone is an essential component of the valve train and ensures optimal operation. With a lightweight of only 0.03 kg, it is particularly handy, while the precise manufacturing enhances the performance of your machines.Optimal Application for MAN D EnginesThis valve cone is suitable for MAN D engines, making it an excellent choice for operators of diesel and gas engines. Our replacement parts offer the same quality and reliability needed for operation. Rely on the durability and efficiency of this valve cone to ensure the smooth operation of your machines.
VALVE CONE - 81521536001 suitable for MAN D engines
Premium Valve Cone – Your Engine Upgrade Discover our spare part, the valve cone with the comparison number 81521536001. This product is an essential component for the functional operation of engines. Weighing only 0.02 kg, the valve cone impresses with its lightness and efficiency in application.
VALVE SEAT - 81521530057 suitable for MAN D engines
Valve Seat for Your EnginesThe valve seat with the comparison number 81521530057 is a crucial OEM replacement part from the category of valve train components. This product is ideally suited for applications in demanding environments where reliable performance is expected. The valve seat ensures a precise fit and long durability, making it the top choice for businesses that value quality.
VALVE TAPPET - 81521530056 suitable for MAN D engines
Premium Valve Tappet: Performance for Your EnginesDiscover our product: the valve tappet with the comparison number 81521530056. This spare part is essential and ensures optimal functionality for suitable for MAN D engines. Weighing only 0.002 kg, this valve tappet offers not only lightness but also robustness for the highest demands.Original Equipment Manufacturer Quality: Trust in Every DetailOur OEM spare part with the comparison number 81521530056 is suitable for all applications in marine as well as stationary areas. While many aftermarket alternatives are available on the market, our OEM spare parts provide the reliability and perfection you expect from components that are suitable for MAN D engines. Benefit from the original equipment manufacturer quality that offers you safety and quality.
VALVE CONE - 81521530055 suitable for MAN D engines
Quality Product for Precise Engine PerformanceDiscover our product, the valve cone with the comparison number 81521530055. This OEM replacement part is crucial for the functionality of your engine. The valve cone is specifically designed to meet the demands of engines that operate under extreme conditions. Rely on the durability and precision of this product.Suitable for MAN D Engines and Other ApplicationsThis valve cone is suitable for MAN D engines. OEM replacement parts like this valve cone offer you the best performance and compatibility. Whether in marine or stationary applications, our product meets the highest standards. It ensures smooth engine operation and extends the lifespan of your machines.
VALVE CONE - 81521530047 suitable for MAN D engines
Valve Cone with Comparison Number 81521530047Discover the valve cone with the comparison number 81521530047, an essential OEM replacement part for your engines. This product ensures optimal functionality and durability, specially designed for applications in demanding areas. With a weight of only 0.001 kg, this item is particularly lightweight, yet remains robust and reliable.Suitable for MAN D Engines – Quality That ConvinceThis valve cone is suitable for MAN D engines and meets the highest quality standards. As we exclusively sell OEM replacement parts, you can rely on the fit and reliability of this product. With over 1 million replacement parts in our inventory, you will find everything you need to keep your equipment running efficiently.
VALVE SEAT - 81521530046 suitable for MAN D engines
Quality Spare Part: Valve SeatDiscover our Valve Seat with the comparative number 81521530046, an important OEM spare part that delivers high-quality performance. This product belongs to the category of valve train components and is ideally suited for use in engines. It impresses with its precision and durability, which are crucial for engines.Ideal Fit: Suitable for MAN D EnginesThe Valve Seat is specifically designed to function optimally, compatible with MAN D engines. Weighing only 0.001 kg, this spare part is not only lightweight but also user-friendly during installation. A precise design allows for smooth interaction with other engine components.
VALVE SEAT - 81521530044 suitable for MAN D engines
Quality Valve Seat for MAN D EnginesDiscover our premium valve seat with the comparison number 81521530044, the ideal product specifically designed for the requirements of engines suited for MAN D. This essential OEM replacement part is part of the valve train components and offers precise functionality.Stability and DurabilityThe valve seat weighs only 0.008 kg and impresses with its high-quality materials. This OEM replacement part is precisely manufactured to ensure optimal valve train operation. The craftsmanship ensures long-term reliability for your engines.
VALVE TAPPET - 81521530037 suitable for MAN D engines
Valve Tappet for Reliable Engine ApplicationsDiscover the OEM replacement part Valve Tappet with the comparison number 81521530037, which is specifically suitable for MAN D engines. This precisely manufactured component belongs to the item group of Valve Train Components and ensures optimal functionality in your engines. Weighing only 0.01 kg, this product offers the ideal balance between lightness and durability, meeting the high standards you expect from OEM replacement parts.Over 1 Million Replacement Parts for Your EquipmentAt MOPA Motorparts, you benefit from our experience of over 25 years. Our range includes more than 1 million replacement parts, including the Valve Tappet designed for MAN D engines. This extensive selection ensures that you will always find the right engine components to keep your machines running.
VALVE CONE - 81521530032 suitable for MAN D engines
Precise Solution: Valve Cone with Comparison Number 81521530032The valve cone with the comparison number 81521530032 is a quality-checked OEM replacement part that has been precisely developed for your requirements. This product is not only essential for the functionality of your engine but also provides the assurance of OEM quality. Due to its robust construction, the valve cone is optimally designed to withstand the highest loads.Optimal Fit for MAN D EnginesOur valve cone is specifically designed to fit MAN D engines. With this perfect fit, you achieve more efficient performance and a longer lifespan for your engines. Trust in the reliability of the product that meets your requirements in marine and stationary applications, playing a crucial role in your valve train.
VALVE SEAT - 81521530031 suitable for MAN D engines
Precise Valve Seat for Engines Discover the valve seat with the reference number 81521530031, an essential product for the efficient operation of your engines. This valve seat ensures a precise fit and significantly contributes to performance. Weighing only 0.01 kg, it is easy to handle and allows for quick replacement.OEM Spare Parts – Quality You Can Rely On The product is an OEM spare part, compatible with MAN D engines, ensuring the highest quality standards. Rely on the excellent craftsmanship and durability that only OEM spare parts can provide. With the reference number 81521530031, you benefit from optimal characteristics that keep your engines in excellent condition.
VALVE CONE - 81521530030 suitable for MAN D engines
Valve Cone for Reliable PerformanceDiscover the valve cone with the comparison number 81521530030, an essential product for engine enthusiasts and professionals. This valve cone is suitable for MAN D engines and offers you the highest functionality. Weighing only 0.01 kg, this OEM replacement part is not only lightweight but also extremely robust for the demanding conditions in marine and stationary applications as well as in locomotives.
VALVE CONE - 81521530025 suitable for MAN D engines
Robust Product: Valve Cone with Comparison Number 81521530025Discover the valve cone offered with the comparison number 81521530025 – an indispensable product for optimizing the performance of your engines. This OEM replacement part is suitable for MAN D engines and offers you the first-class quality you expect for reliable operation. Weighing just 0.002 kg, it meets the highest standards and ensures your machines run efficiently.OEM Replacement Parts: The Difference MattersWith us, you only receive OEM replacement parts that come directly from the manufacturer. Unlike aftermarket types that do not meet the same quality standards, our OEM replacement parts, such as the valve cone with comparison number 81521530025, provide a precise fit and careful craftsmanship. This ensures that your engines remain consistently high-performing.
VALVE SEAT - 81521530023 suitable for MAN D engines
### Product Description: Valve Seat (Comparison Number: 81521530023)Valve Seat for Optimal Engine Performance Our valve seat with the comparison number 81521530023 is an essential OEM replacement part, suitable for MAN D engines. This valve seat ensures the optimal function of your diesel or gas engine and is an important component of the valve train. Weighing only 0.002 kg, it provides an ideal solution for demanding applications.Quality and Reliability through OEM Replacement Parts We only carry OEM replacement parts specifically designed for marine and stationary use. The valve seat is a product characterized by precision and durability, enhancing the performance of your engines.
VALVE CONE - 81521530022 suitable for MAN D engines
Efficient Valve Cone Product for Your EnginesDiscover our valve cone product with the reference number 81521530022, specially designed to optimize engine performance and efficiency. This valve cone is an essential replacement part, characterized by its excellent quality and durability. The valve cone weighs only 0.004 kg, making it an ideal choice for various applications.
VALVE CONE - 81521530021 suitable for MAN D engines
Robust Valve Cones for Various ApplicationsThe valve cone with the comparison number 81521530021 is the ideal OEM replacement part, designed for a variety of requirements in marine and stationary applications. This high-quality product belongs to the category of valve train components and ensures optimal functionality of your engines.Precise Component Suitable for MAN D EnginesOur valve cone is suitable for MAN D engines, making it the perfect complement for your drive systems. Weighing only 0.003 kg, this product combines robustness with efficiency, making it an excellent choice for professional use.
Function and benefits
The valve train transfers motion from the camshaft to the valves. It includes parts like pushrods, lifters, rocker arms, valve springs and guides. These engine valve components must work in perfect synchronization to ensure proper engine breathing. Key benefits of optimized valve train parts include:
- Precise valve timing and improved combustion efficiency
- Reduced wear and friction under high RPM or load
- Stable performance and lower emissions
Especially in diesel engines, valve train stability is crucial for handling high compression ratios and extended operating cycles.
Applications and system design
Valve train components vary based on engine type (OHV, OHC, DOHC) and application. In marine and industrial engines, components are often designed for durability, corrosion resistance and easy maintenance. Cam profiles, valve clearances and spring tension all influence system behavior and must be matched precisely to the engine’s operating profile.
We supply high-performance engine valve components suitable for MTU, MAN, Deutz, MWM and Volvo Penta engines – with OEM-quality and materials for long service life in harsh operating environments.
Maintenance and replacement
Valve train parts are subject to mechanical wear, thermal expansion and fatigue. Over time, lifters may stick, springs may weaken, and rocker arms may develop play. Regular inspection and preventive replacement of valve train parts helps maintain engine performance and avoid costly failures.
FAQ
What is a valve train?
A valve train is the system of components that controls the opening and closing of an engine’s intake and exhaust valves. It includes the camshaft, lifters, pushrods, rocker arms, valve springs and related parts. The valve train ensures that air and fuel enter and exit the combustion chamber at the right time.
When should valve train components be replaced?
Valve train components should be checked during major engine overhauls or if there are symptoms such as ticking noises, poor compression, rough idling, or loss of power. Worn parts can lead to timing issues, valve damage or engine failure.
Are valve train parts the same for all engines?
No. Valve train designs vary based on engine architecture (e.g., overhead cam vs. pushrod), operating speed, and intended application. Industrial and marine engines often use more robust materials and heavier-duty valve train components to withstand continuous use.