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:
AIR SUPPLY VALVE - 51111070035 suitable for MAN D-engines
Air Supply Valve: Precision for Your EnginesDiscover our air supply valve, comparison number 51111070035. This precisely manufactured product belongs to the category of valves and is suitable for MAN D engines. This ensures reliable performance for your engines.OEM Replacement Parts for Excellent QualityAs an OEM replacement part, our air supply valve is among the best on the market. The manufactured product is compatible with various MAN D models. Trust in quality that has proven itself!
AIR SUPPLY VALVE - 51111070034 suitable for MAN D-engines
Reliable OEM Replacement Part in Original Equipment Manufacturer QualityOur air supply valve with the comparison number 51111070034 is a high-quality OEM replacement part that ensures optimal conditions for engines. This product is the best choice for all applications required in marine and stationary use.
AIR SUPPLY VALVE - 51111070032 suitable for MAN D engines
Reliable Air Supply Valve – Comparison Number 51111070032Discover the reliable spare part suitable for MAN D engines – the air supply valve with comparison number 51111070032. This product offers durability and longevity, meeting the demanding requirements found in the field of diesel and gas engines, especially in marine and stationary applications.Precise Performance for MAN D EnginesThe air supply valve suitable for MAN D features precise dimensions: with a length of 3.7 cm, a width of 3.7 cm, and a height of 2 cm, it is ideally suited for various applications. Weighing only 0.03 kg, it provides the perfect balance between robustness and functionality, allowing for optimal integration into your existing system.
AIR SUPPLY VALVE - 51111070030 suitable for MAN D-engines
Air Supply Valve with Comparison Number 51111070030 Discover the Air Supply Valve with the comparison number 51111070030. This product is perfectly suited for your MAN D engines and ensures reliable pressure regulation as well as improved engine performance.OEM Replacement Parts for High Standards The Air Supply Valve is an EXCEL marked replacement part that meets the highest quality standards. It is suitable for numerous applications in marine and stationary use and ensures that your engines always operate efficiently.
AIR SUPPLY VALVE - 51111070029 suitable for MAN D-engines
Air Supply Valve for Engines in UseThe air supply valve with the comparison number 51111070029 is a fundamental OEM spare part that is specifically suitable for applications in engines. This product is compatible with MAN D engines and provides you with the solution you need for the stable operation of your drive systems. Weighing only 0.03 kg, this spare part combines a compact design with functionality.Quality You Can Count OnAt MOPA Motorparts, we only sell OEM spare parts to ensure the highest standards and longevity. The air supply valve has been tailored to fit ideally with MAN D engines. Trust that you are purchasing a product that meets the demands of your engines in marine and stationary applications.
AIR SUPPLY VALVE - 51111070028 suitable for MAN D-engines
Air Supply Valve for Optimal Engine PerformanceDiscover the air supply valve (reference number: 51111070028) from MOPA Motorparts – an essential product that is perfectly suited for your engines. With this reference number, you will receive an OEM spare part that meets high standards.
AIR SUPPLY VALVE - 51111070027 suitable for MAN D-engines
High-Performance Product: Air Supply ValveDiscover our air supply valve (comparison number: 51111070027), an indispensable component compatible with MAN D engines. With this comparison number, you receive a high-quality OEM spare part that ensures your engine operates efficiently and reliably.
AIR SUPPLY VALVE - 1417413065 suitable for Bosch engines
Quality of the Air Supply ValveDiscover our Air supply valve with the comparison number 1417413065, perfectly tailored to the needs of suitable for MAN D engines. This OEM replacement part belongs to the group of Valves and plays a crucial role in the smooth operation of your systems, whether in marine or stationary use. With a weight of only 0.05 kg, this engine accessory is lightweight and versatile.
AIR SUPPLY VALVE - 2417413088 suitable for Bosch engines
Air Supply Valve – Comparison Number 2417413088 Discover our air supply valve, which is marked with the comparison number 2417413088. This spare part impresses with top quality and precise manufacturing. Ideal for efficient operation of engines in marine and stationary applications, this component is indispensable for your needs.
AIR SUPPLY VALVE - 1467445007 suitable for Bosch engines
Air Supply Valve: An Efficient Solution for EnginesThe air supply valve, which carries the comparison number 1467445007, is a reliable product. Weighing only 0.048 kg, this OEM spare part offers excellent fit and functionality to optimize the performance of your machines.Suitable for MAN D EnginesThis product is suitable for MAN D, making it ideal for users who place high demands on their engines. The spare part ensures that your MAN D engines run smoothly and achieve optimal efficiency.
AIR SUPPLY VALVE - 1467445006 suitable for Bosch engines
Effective Air Supply Valve for Powerful EnginesDiscover our essential air supply valve (comparison number: 1467445006), specifically designed to optimize the performance of engines. This reliable product is suitable for MAN D engines and belongs to the category of valves. Weighing only 0.045 kg, this valve offers both efficiency and cost savings through its functional performance in marine and stationary applications.Trust in the Quality of OEM Replacement PartsOur OEM replacement parts combine the highest standards with exceptional reliability. The air supply valve impresses as an OEM replacement part and undergoes rigorous quality testing to ensure it meets the very high expectations of the market. Rely on our expertise to keep your engines running at peak performance.
CONSTANT-PRESSURE VALVE - 51111070019 suitable for MAN D-engines
Specialized Constant-pressure Valve for MAN D EnginesThe constant-pressure valve with the comparison number 51111070019 is an essential OEM spare part specifically designed to enhance the efficiency of your engines. This product weighs only 0.03 kg and ensures optimal performance in various applications, suitable for the requirements of MAN D engines.
AIR SUPPLY VALVE - 51111070008 suitable for MAN D-engines
AIR SUPPLY VALVE with the comparison number 51111070008 suitable for MAN D-engines
AIR SUPPLY VALVE - 51111070005 suitable for MAN D-engines
Air supply valve with comparison number 51111070005Discover the air supply valve, suitable for use in MAN D engines. The comparison number 51111070005 stands for quality and efficiency, which are crucial for your applications. This product impresses with precise design and processing and, with a weight of only 0.025 kg, is perfectly suited for demanding operating conditions.Suitable solution for MAN D enginesThe air supply valve is clearly defined as a suitable component for MAN D engines. It significantly contributes to the optimal performance of these engines and optimizes their functionality. Trust in our expertise and consistent standards for a powerful overall system.
PRESSURE RELIEF VALVE - 51103040429 suitable for MAN D engines
PRESSURE RELIEF VALVE with the comparison number 51103040429 suitable for MAN D engines
PRESSURE RELIEF VALVE - 1110010024 suitable for Bosch engines
Versatile Valve for Safe OperationDiscover our pressure relief valve with the comparison number 1110010024. This product belongs to the category of valves and impresses with its precise functionality for various engine applications. The pressure relief valve reliably protects your machines from overpressure situations, making it essential for engine operations.Technical Details of the Spare PartThe pressure relief valve measures 2.1 cm in length and width, as well as 3.4 cm in height, and weighs only 0.058 kg. The comparison number 1110010024 is a quality feature that shows you are using an OEM spare part for your engines. Quality is our top priority, as demonstrated by our selection of spare parts in OEM quality.
VALVE CHARGE-AIR PRESSURE - 51096007008 suitable for MAN D-engines
Top quality with comparison number 51096007008 Discover our Valve charge-air pressure, a premium OEM spare part compatible with MAN D engines. The comparison number 51096007008 ensures you quality and precision. Our OEM spare parts are perfectly aligned with the functionality of your engines.Quick availability thanks to extensive stock We keep many items in stock, allowing us to respond swiftly to your inquiries and ensure timely deliveries.
VALVE CHARGE-AIR PRESSURE - 51096007006 suitable for MAN D-engines
Valve charge-air pressure: Efficient Engine SolutionDiscover the valve charge-air pressure with the comparison number 51096007006, an essential OEM spare part, particularly suitable for MAN D engines. Weighing 1.3 kg, this product combines stability and efficiency, enhancing your engines' performance.Efficiency Through Optimal Pressure ControlThe valve charge-air pressure, suitable for MAN D, ensures constant pressure regulation and optimizes the efficiency of your diesel or gas engines. Thanks to the top-quality craftsmanship of this spare part, you benefit from outstanding performance improvement while reducing environmental impact.
VALVE CHARGE-AIR PRESSURE - 51096007005 suitable for MAN D-engines
Precise Solution: Discover Valve Charge-Air PressureDiscover our Valve Charge-Air Pressure (comparison number: 51096007005), which has been specifically developed to meet the requirements of marine and stationary applications. This product is suitable for MAN D, optimizing your engine's performance. Weighing just 1 kg, it is lightweight and robust – perfect for excellent engine harmonization.High Quality: Spare Parts for Your ApplicationsWith the comparison number 51096007005, this product presents itself as a top-quality OEM spare part. Our customers benefit from a comprehensive range of over 1 million spare parts, with all products available in OEM quality. The Valve Charge-Air Pressure meets the highest standards and offers a precise fit.
VALVE CHARGE-AIR PRESSURE - 51096007002 suitable for MAN D-engines
High-Quality Valve Charge-Air Pressure - Comparison number 51096007002The valve charge-air pressure is the perfect solution if you need a reliable component for your compatible MAN D engines. With the comparison number 51096007002, you are well-equipped to maximize the performance of your machines. This product is an OEM spare part and offers the quality essential for the efficient operation of your engines. The valve is suitable for MAN D engines, leading to optimized efficiency and improving your operational processes.Technical Details – Perfect Sizing and MeasurementsTechnically, this valve charge-air pressure impresses with first-class features: weighing 1.172 kg, with a length of 19.3 cm, a width of 19.3 cm, and a height of 12.6 cm, it demonstrates robustness and is easy to install. Designed as a compatible spare part for MAN D engines of the D2876 series and the engine type D2876LE301, it meets all quality and durability requirements. Rely on this OEM spare part for your operating resources.
VALVE CHARGE-AIR PRESSURE - 51096007001 suitable for MAN D engines
Excellent Valve Charge-Air Pressure – Comparison Number 51096007001Discover our valve charge-air pressure with the comparison number 51096007001, specifically designed to extract optimal performance from engines compatible with MAN D engines. This product refers to the series D2842 and the engine types D2842LE301 and D2842LE405. As an important component in the category of valves, it ensures precise regulation of the charge-air pressure, thereby contributing to excellent engine performance.Precise Dimensions for Optimal IntegrationWeighing 1.114 kg and with compact dimensions of 19.2 cm in length, 19.2 cm in width, and 11.6 cm in height, this valve charge-air pressure is an OEM replacement part that can be optimally integrated into various applications. The premium workmanship and materials provide you with the necessary performance, serving as a reliable partner for MAN D engines.
THROTTLE VALVE - 51094137020 suitable for MAN D-engines
Premium Throttle Valve for Performance AssuranceThe throttle valve with the comparison number 51094137020 is an integral component in the category of valves. This exclusive OEM replacement part is perfectly suited for engines, ensuring that your machines operate efficiently.Optimal Components Suitable for MAN D EnginesOur OEM replacement part is specifically developed for MAN D engines. Every process is subjected to strict internal controls to ensure the best quality for your throttle valve. This way, you can be confident that this component is perfectly tailored to your engines.
THROTTLE VALVE - 51094137019 suitable for MAN D-engines
Throttle valve suitable for MAN D engines: Efficiency in focusDiscover the OEM replacement part, the throttle valve with the comparison number 51094137019, which has been specifically designed for MAN D engines. This product belongs to the group of valves and ensures reliable functionality of the engines.
THROTTLE VALVE - 51094137009 suitable for MAN D-engines
Throttle valve suitable for MAN D enginesDiscover the throttle valve suitable for MAN D engines (comparison number: 51094137009). Our OEM spare parts offer excellent performance and durability, making them ideal for marine and stationary use. Count on the proven quality of MOPA Motorparts to ensure the functionality of your engines and minimize downtime.Suitable for MAN D: Quality without compromiseThe throttle valve is an essential product, suitable for MAN D engines, and other OEM spare parts provide the advantage of faithful performance. In comparison, aftermarket products often pose a risk. Choose spare parts that are specifically designed to meet your needs.
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.