Engine valve – precision control for marine and industrial engines
Engine valves are essential components in every combustion engine, ensuring precise control over intake and exhaust processes. Whether in marine engines, gas-powered generators, stationary industrial motors, or locomotive engines, the right engine valve ensures operational efficiency, combustion accuracy, and long service life. Choosing OEM-quality engine valve parts is critical for long-term performance, safety, and cost-efficiency.
Choose from following:
SOLENOID VALVE - 81423866013 suitable for MAN D engines
Reliable Solenoid Valve for Robust ApplicationsDiscover our solenoid valve with the comparison number 81423866013 – a top-quality replacement part specifically designed to enable optimal performance in MAN D engines. Weighing 1.42 kg, this product is the ideal solution for engines used in stationary and marine applications as well as locomotives.OEM Replacement Parts for Maximum PrecisionThis solenoid valve is an OEM replacement part that offers excellent fit accuracy. It has been carefully selected to be a perfect match for MAN D engines. Rely on the quality of replacement parts known for their durability and reliability.
PRESSURE REDUCING VALVE - 81423860013 suitable for MAN D engines
Pressure Reducing Valve with Comparison Number 81423860013The pressure reducing valve with comparison number 81423860013 is a top-quality OEM spare part specifically designed for use in engines. This product ensures reliable pressure regulation and is essential for the optimal performance of your engines. Weighing 1.36 kg, it provides the necessary robustness for demanding applications.Efficiency with OEM Spare PartsThis pressure reducing valve is suitable for MAN D engines and ensures compliance with all manufacturer specifications. The quality and durability of our OEM spare parts are crucial for the successful operation of your marine and stationary engines. Rely on the precise manufacturing and high functionality these products offer.
VALVE - 81423596002 suitable for MAN D engines
Premium Valve with Comparison Number 81423596002Discover our premium valve, marked with the comparison number 81423596002. This OEM replacement part is perfectly suited for the performance of your diesel and gas engines. It ensures smooth operation and maximum efficiency in your application area.Suitable Solution for MAN D EnginesThe valve is specifically designed to fit MAN D engines. With its high compatibility, it ensures that the engines operate optimally. Rely on our OEM replacement parts that meet the highest quality standards and fulfill your requirements perfectly.
CONTROL VALVE - 81423500001 suitable for MAN D engines
Reliable Control Valve for Your EnginesDiscover our control valve with the reference number 81423500001, an essential OEM spare part for your engines. This product is suitable for MAN D engines and offers excellent performance and durability. With a weight of 6.7 kg, it is robust and designed for demanding applications, making it ideal for marine and stationary use.
VALVE - 81420506008 suitable for MAN D engines
Optimum for MAN D EnginesDiscover the valve with the comparison number 81420506008 – a top-quality OEM replacement part specifically designed for the requirements of MAN D engines. Weighing only 0.29 kg, this product offers an ideal combination of lightweight and functionality. Trust in a product that reliably supports your engines.Quality of OEM Replacement PartsThe valve with the comparison number 81420506008 is an OEM replacement part, ensuring the highest quality and fit. We ensure that all components are precisely matched to the specifications of the respective engines. This keeps the performance of your engines at an optimal level.
VALVE - 81386100003 suitable for MAN D engines
Reliable Valve with comparison number 81386100003The valve with the comparison number 81386100003 is an OEM replacement part specifically developed for the needs of engines. Our products provide you with the safety and performance you expect from a manufacturer like MAN D. With this product, you achieve optimal functionality that sets itself apart from aftermarket solutions.
VALVE - 81386100002 suitable for MAN D engines
Valve 81386100002: Your Solution for MAN D EnginesThe replacement part valve with the comparison number 81386100002 is the ideal choice for your needs. This OEM replacement part is suitable for MAN D engines and is characterized by its excellent quality and performance. Designed to achieve maximum efficiency, the product is perfect for marine and stationary applications in various settings. Weighing just 0.001 kg, this valve brings a lightness that is crucial in any engine.Reliability and Fit for EnginesThe comparison number 81386100002 ensures that you receive an OEM replacement part that is precisely tailored to the specifications of MAN D engines. Our valves are manufactured to meet the high standards of the industry and offer exceptional durability. This product is a must for anyone who values quality and longevity in the maintenance of their engines.
BREATHER VALVE - 81384800004 suitable for MAN D engines
Breather Valve for Efficiency in Marine ApplicationsThe breather valve with the comparison number 81384800004 is a critical OEM spare part specifically designed to ensure reliable performance for your engines. This product weighs only 0.03 kg and is suitable for MAN D engines, making it an excellent choice for marine and stationary applications. Trust in quality that enhances the efficiency of your equipment.OEM Spare Parts for MAN D EnginesAt MOPA Motorparts, we offer exclusively OEM spare parts that meet strict quality standards. The comparison number 81384800004 ensures that this breather valve precisely meets the specifications required for the smooth operation of MAN D engines. Quality is our priority, and each product is carefully inspected through internal controls.
BREATHER VALVE - 81384800003 suitable for MAN D engines
Breather Valve suitable for MAN D EnginesThe breather valve (comparison number: 81384800003) is an essential OEM spare part specifically designed for MAN D engines. Weighing only 0.02 kg, this product offers an excellent combination of durability and efficiency. The use of robust materials ensures the reliability of the valve, which is particularly advantageous in demanding applications.Important Functions of the Breather ValveThe breather valve ensures that air accumulations in the system can escape effectively, thereby ensuring optimal engine function. This OEM spare part is perfectly suited to extend the lifespan of your engines and optimize their performance. Rely on this product, which has been specially designed to meet your requirements.
BREATHER VALVE - 81353070007 suitable for MAN D engines
Breather valve with comparison number 81353070007Discover our product: the breather valve with comparison number 81353070007. This OEM spare part offers a precise fit, ideal for engines in marine and stationary applications. With its high quality, you are well-equipped to maximize the performance of your engines.Reliable OEM spare parts for enginesOur breather valve is suitable for MAN D engines and ensures the highest reliability. As an OEM spare part, it meets the industry's strict standards and helps you optimize the efficiency of your engines. Quality and durability are the focus of all our products.
BREATHER VALVE - 81353070006 suitable for MAN D engines
Breather valve with comparison number 81353070006Discover our reliable breather valve with the comparison number 81353070006. This product is a valuable OEM replacement part, suitable for MAN D engines. Weighing only 0.02 kg, the breather valve is easy to handle and ensures optimal performance without compromise.
BREATHER VALVE - 81353070005 suitable for MAN D engines
Breather valve: Comparison number 81353070005Discover the reliable breather valve, which carries the comparison number 81353070005. This product is specifically designed for use in diesel and gas engines that are found in marine and stationary applications as well as in locomotives. The breather valve weighs only 0.115 kg and impresses with optimal functionality that forms the heart of powerful mechanics.Breather valve suitable for MAN D enginesThe breather valve is suitable for MAN D engines and offers uncompromising precision that is essential for smooth operation. As an OEM replacement part, it meets the highest standards you can expect from a product. Rely on a replacement part that has been specifically developed to enhance the efficiency and lifespan of your engines.
BREATHER VALVE - 81353070004 suitable for MAN D engines
Premium Breather Valve for High-Quality EnginesDiscover our breather valve (comparison number: 81353070004), designed for the optimal function of MAN D engines. This OEM replacement part weighs only 0.003 kg and impresses with reliable performance. It is a valuable addition for all B2B customers who depend on high quality standards.Suitable for MAN D Engines – Maximum EfficiencyThe breather valve plays a crucial role in preventing pressure buildup in MAN D engines. With its improved breathing function, it contributes to increased performance and ensures that the engines operate efficiently at all times. Our OEM replacement part meets all internal quality standards.
BREATHER VALVE - 81353067001 suitable for MAN D engines
Premium Breather Valve for Reliable Engine PerformanceDiscover the breather valve with the part number 81353067001, specifically designed for the demanding requirements of engines. This OEM replacement part is essential for optimizing the functionality of MAN D engines. By effectively venting unwanted gases, it enhances your engine's performance, ensuring you always benefit from optimal efficiency.Precision Fit for MAN D EnginesThe breather valve, suited for MAN D engines, impresses with its lightweight design of only 0.009 kg. Every detail of the product has been precisely crafted to meet the high standards of marine and stationary applications as well as locomotives. Rely on this OEM replacement part to ensure the longevity and reliability of your engines.
BREATHER VALVE - 81353065020 suitable for MAN D engines
Breather Valve 81353065020 - The Perfect SolutionThe breather valve with the comparison number 81353065020 is an essential OEM spare part that is optimally suited for MAN D engines. This product ensures efficient pressure relief in the engine, thereby supporting reliable performance. Weighing only 0.035 kg, the breather valve is easy to handle and installation-friendly, making it an excellent choice for demanding applications.
VALVE - 81332500006 suitable for MAN D engines
Comprehensive OEM Replacement ValveDiscover the valve with the comparison number 81332500006, a premium OEM replacement part specially designed for MAN D engines. This product offers optimal performance and is ideally suited for marine and stationary applications.Precise Quality and ControlOur valve, compatible with the comparison number 81332500006, undergoes strict internal controls to ensure it meets high standards. As OEM replacement parts, they are an excellent choice for anyone looking to maximize the longevity and efficiency of their engines – suitable for MAN D engines.
VALVE - 81331256008 suitable for MAN D engines
Excellent Valves Suitable for MAN D EnginesDiscover our valve with the comparison number 81331256008, specifically designed for MAN D engines. This product belongs to the valves category and impresses with its precise fit and top-notch workmanship. Weighing 0.713 kg, it delivers the robustness required for the reliable operation of your engines.Quality through OEM Replacement PartsOur valves are OEM replacement parts that meet the stringent standards of the manufacturer. Unlike aftermarket variants, our products offer the highest precision and reliability. Rely on an OEM replacement part to ensure the functionality of your engines in the long term.
EXHAUST VALVE - 81331256007 suitable for MAN D engines
Exhaust valve suitable for MAN D engines Discover our reliable exhaust valve with the comparison number 81331256007, specially suitable for MAN D engines. This product from the valves category is essential for diesel and gas engines in marine as well as stationary applications.Robust construction and high quality The exhaust valve weighs 0.445 kg and impresses with a robust design. As an OEM replacement part, it provides the quality you need for optimal performance of your engines. Rely on the precision and durability of this product, which meets every demand.
VALVE BLOCK - 81331166030 suitable for MAN D engines
Valve block with comparison number 81331166030Discover the valve block with the comparison number 81331166030, specifically designed to optimize the performance of your engines. This OEM spare part is an essential product that offers you maximum efficiency and durability while using your machines. Weighing 2.69 kg, the valve block is ideally suited for demanding applications.
VALVE BLOCK - 81331166029 suitable for MAN D engines
High-Quality Product: Valve BlockDiscover the valve block with the comparison number 81331166029, an outstanding product suitable for MAN D engines. This OEM replacement part offers a precise fit and is thus ideal for all your needs in marine and stationary applications. Weighing 2.59 kg, the valve block combines robustness with user-friendliness.Suitable for MAN D EnginesThe valve block is suitable for MAN D engines and meets the highest quality standards. As an OEM replacement part, it undergoes strict internal checks to ensure smooth performance. This means you can rely on the durability and efficiency of your engines.
THROTTLE VALVE - 81331166027 suitable for MAN D engines
Throttle Valve Compatible with MAN D: Your Indispensable ProductDiscover the throttle valve with the comparison number 81331166027 – an essential OEM spare part specifically designed for MAN D engines. This throttle valve belongs to the group of valves and offers the ideal solution for efficient operation in marine and stationary applications. Weighing 1.4 kg, this product combines robustness and reliability for your engines.
VALVE BLOCK - 81331166024 suitable for MAN D engines
VALVE BLOCK with the comparison number 81331166024 suitable for MAN D engines
3/2-WAY VALVE - 81327356026 suitable for MAN D engines
Precise 3/2-Way Valve – Comparison Number 81327356026Discover our 3/2-way valve, which is characterized by its reliability and functionality. With the comparison number 81327356026, this OEM spare part belongs to the group of "Valves" and is ideal for use in various engines. Particularly suitable and compatible with MAN D engines, it offers you a top-notch solution for the maintenance of your plant technology.
VALVE - 81327346039 suitable for MAN D engines
Valve with Comparison Number 81327346039Discover our valve with the comparison number 81327346039, specially designed to be high-performance. This product offers you the quality and reliability you can expect from a top-notch spare part. Weighing only 0.195 kg, this valve is not only lightweight but also extremely robust to meet the demands of diesel and gas engines.
What is an engine valve?
An engine valve is a mechanical component that opens and closes to control the flow of gases into and out of the engine cylinders. Typically made from heat-resistant metals, each valve for engine operation must withstand extreme temperatures and high-pressure environments.
There are two primary types: intake valves, which allow the air-fuel mixture to enter the combustion chamber, and exhaust valves, which release burned gases after combustion. The opening and closing cycles of these valves are precisely timed to the engine’s rotation, ensuring seamless combustion and power delivery.
Function and benefits of engine valves
The valves engines rely on must perform under extreme stress. The proper functioning of each valve of engine directly impacts power output, fuel efficiency, and emissions. Worn or faulty motor valves can lead to misfires, reduced engine performance, overheating, or even total engine failure.
Here are the key benefits of using high-quality engine valve parts:
- Optimized sealing and compression
- Efficient combustion and power delivery
- Extended engine life and maintenance intervals
- Reduced emissions and fuel consumption
- Enhanced thermal and mechanical durability
Types, materials and OEM compatibility
Depending on the application, engine valves differ in design and construction. Intake valves are optimized for cooler airflow, while exhaust valves endure hotter temperatures and aggressive gases. Materials range from hardened steel to titanium alloys, often with surface treatments like nitriding or chrome plating for added wear resistance.
Our engine valve parts meet strict OEM standards, ensuring full compatibility with a wide range of engine models. This includes precise dimensions, material specifications, and valve timing synchronization. Whether you're replacing a single motor valve or sourcing complete valves engines sets, our parts are engineered for lasting reliability and performance.
Use cases and industrial relevance
Engine valves play a central role in marine propulsion systems, stationary power units, gas engine installations, and locomotive drives. In these environments, any failure in the valve for engine functionality can cause severe operational downtime. That’s why OEM-compliant, technically precise engine valve parts are essential across all heavy-duty applications.
Buying advantages with us
We supply only OEM-grade motor valves and engine valve parts, ensuring a precise fit and high durability. With fast DHL Express delivery worldwide, technical customer support, and a wide selection tailored for marine and industrial engines, we help you keep operations running with confidence. Easy online ordering and multiple payment options make the procurement process efficient and secure.
Frequently asked questions about engine valves
What is an engine valve?
An engine valve controls the flow of air, fuel, and exhaust gases in a combustion engine. It opens and closes at precisely timed intervals, supporting efficient combustion and power output.
What are the parts of a engine valve?
Typical parts of a engine valve include:
- Valve head (seals against the seat)
- Valve stem (guides the motion)
- Valve seat (provides the sealing surface)
- Spring and cotters (ensure return and retention)
- Guide (ensures proper alignment and reduces friction)
Related components for sealing and engine control
Engine valves operate in conjunction with other vital components such as gaskets, hoses, valve guides, springs, and cooling systems. These elements must work together to maintain compression, regulate temperature, and ensure overall engine stability—especially in demanding marine and industrial settings.