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:
THROTTLE VALVE - 51131056004 suitable for MAN D-engines
Throttle Valve for Efficient Engine PerformanceDiscover the throttle valve, a top-quality spare part, suitable for MAN D engines. With the comparison number 51131056004, this product from the group of valves is the ideal solution for the maintenance and repair of your engines. The throttle valve plays a crucial role in regulating air intake, ensuring optimal performance values that every experienced professional appreciates.Precision and Material SelectionSuitable for MAN D engines, this throttle valve weighs 2.058 kg and offers the highest precision. As spare parts, they meet rigorous standards that ensure the performance and longevity of diesel and gas engines. This significantly contributes to the efficiency of your systems.
THROTTLE VALVE - 51131056002 suitable for MAN D-engines
Throttle Valve for Efficient EnginesDiscover the throttle valve (comparison number 51131056002) – an important OEM spare part that is ideally suited for the performance of engines. This throttle valve has been precisely designed to enable efficient regulation of air flow in engines compatible with MAN D engines. Rely on this precise component for long-lasting performance and optimal efficiency.Product Details of the Throttle ValveWeighing 1.61 kg, our throttle valve ensures that you can enjoy first-class quality without compromising on handling. The spare part is made from high-quality materials and is marked as an OEM spare part, providing maximum reliability for your perfectly fitting MAN D engines. Experience the benefits of strong construction and long durability.
DRAIN VALVE - 51125400239 suitable for MAN D-engines
Effective Drain Valve for Reliable Engine PerformanceDiscover the drain valve with the comparison number 51125400239, designed as an OEM replacement part suitable for MAN D engines. This product offers an excellent fit and ensures that all requirements in marine and stationary applications are met.
AIR SUPPLY VALVE - EPVE219P3X suitable for Bosch engines
Efficient Spare Part: Air Supply Valve EPVE219P3XDiscover the air supply valve with the comparison number EPVE219P3X, designed for excellent performance in demanding applications. Weighing 0.013 kg, this product offers significant benefits in various industrial scenarios. As an OEM spare part, it ensures precise functionality, allowing you to count on a long service life.Optimal Solutions for MAN D EnginesThe air supply valve is suitable for MAN D engines and is therefore a valuable component in your operation. Numerous users take advantage of the specially tuned performance enabled by this valve to ensure efficient engine operation.
AIR SUPPLY VALVE - 51125050002 suitable for MAN D engines
Air Supply Valve Comparison Number 51125050002Experience outstanding quality with our air supply valve, comparison number 51125050002. This replacement part is specifically designed and compatible with MAN D engines. Weighing only 0.05 kg, this product combines lightweight design and durability, making it perfectly suited for various marine and stationary applications.Reliable OEM Replacement Parts for Your NeedsThe air supply valve, compatible with MAN D, offers you hassle-free functionality and longevity. Unlike aftermarket products, OEM replacement parts stand for the highest precision and quality, ensuring smooth performance of your engines. Rely on the manufacturer, a partner of leading equipment manufacturers, to find the best solutions for your engines.
AIR SUPPLY VALVE - 51125050025 suitable for MAN D-engines
Versatile Air Supply Valve for Effective EnginesDiscover our versatile air supply valve (comparison number: 51125050025), which impresses not only with its precise workmanship but is also specifically designed for MAN D engines. Weighing 0.104 kg, this product offers maximum efficiency and durability. Even under high loads, our OEM replacement part ensures smooth operation of your engines.OEM Replacement Parts for Optimal PerformanceOur air supply valve is an essential OEM replacement part that ranks first in the category of valves. If you're looking for technological accessories, this valve perfectly meets your needs. Rely on top-quality that convinces and fully meets your requirements.
AIR SUPPLY VALVE - 51125050023 suitable for MAN D-engines
Precise Air Supply Valve with Comparison Number 51125050023Discover our air supply valve, marked with the comparison number 51125050023. This OEM replacement part is suitable for MAN D engines and supports their operational efficiency. Weighing only 0.07 kg, this product is an optimal solution for various applications, particularly in a maritime or stationary context.Tailored Regulations for MAN D EnginesThe air supply valve ensures precise pressure equalization, which is essential for performance. With improved regulation, you can sustainably optimize the fuel consumption of engines. As an OEM replacement part, our products undergo rigorous internal controls, ensuring that you receive top-quality parts suitable for MAN D engines.
NON-RETURN VALVE - 51125050021 suitable for MAN D-engines
Non-return valve: Replacement part suitable for MAN D enginesDiscover the non-return valve, available under the comparison number 51125050021. This product is an essential component, suitable for MAN D engines. With a low weight of only 0.04 kg, it ensures optimal efficiency in your engine.Industrial equipment and replacement parts in OEM qualityOur non-return valve meets the highest standards and is an OEM replacement part specifically designed for the requirements of MAN D engines. The comparison number 51125050021 ensures that you receive a product of the highest precision and quality. With us, you benefit from OEM replacement parts at competitive prices for your engines.
AIR SUPPLY VALVE - 51125050007 suitable for MAN D-engines
Ideal Valve for Reliable ApplicationsThe air supply valve with the reference number 51125050007 is an essential OEM replacement part that stands out for its top-notch functionality. This product is specifically designed for applications in marine and stationary use and ensures optimal control of engine performance. Rely on quality products that meet the demands of your engines – like the air supply valve.Suitable for MAN D EnginesThis air supply valve is suitable for MAN D engines and offers the reliability that is essential due to OEM replacement parts. Unlike effective alternative solutions, this replacement part delivers spectacular results for your engine performance. Trust products from Original Equipment Manufacturers that have proven themselves in demanding applications.
AIR SUPPLY VALVE - EPVE219P3Z suitable for Bosch engines
Air Supply Valve for Supporting MAN D EnginesDiscover the air supply valve (comparison number: EPVE219P3Z), an essential OEM spare part suitable for MAN D engines. This product impresses with precise workmanship and a lightweight of only 0.013 kg, allowing for effortless installation in your engines.Quality Meets EfficiencyAs part of our OEM spare parts, this air supply valve offers high performance and long durability. It plays a crucial role in maintaining a stable cooling circuit and supports the efficiency of your MAN D engines, ensuring optimal operation in marine vessels and stationary applications.
AIR SUPPLY VALVE - PVE53P12Z suitable for Bosch engines
Efficient Air Supply Valve for Various ApplicationsDiscover the air supply valve with the comparison number PVE53P12Z. This important product in the category of valves ensures excellent performance in engines that must meet specific requirements. Weighing only 0.05 kg, it is versatile and optimizes efficiency.
SHUT-OFF VALVE - 51111086006 suitable for MAN D-engines
Excellent Shut-off Valve with Comparison Number 51111086006Discover our shut-off valve listed under comparison number 51111086006, designed to fit MAN D engines. This OEM spare part delivers the precision and reliability you expect from high-quality components. With a large inventory, we ensure you receive all the necessary engine spare parts quickly.Expert Solutions for Industrial NeedsThe comparison number 51111086006 identifies our exclusive shut-off valve, specially developed for optimal integration into MAN D engines. Compared to aftermarket solutions, our OEM spare parts offer you the assurance of original specifications that support the performance of your machines. Trust MOPA Motorparts to reliably operate your ship or facilities.
SHUT-OFF VALVE - 51111080039 suitable for MAN D-engines
Shut-off Valve: Your Reliable SolutionThe shut-off valve with the comparison number 51111080039 is an excellent OEM spare part suitable for a variety of applications. Whether in marine environments, stationary use, or in locomotives—our products represent performance and effectiveness through top-notch quality.
SHUT-OFF VALVE - 51111080037 suitable for MAN D-engines
Quality Shut-off Valve for Reliable Engine ControlDiscover our shut-off valve with the comparison number 51111080037. This OEM replacement part is suitable for MAN D engines and represents an excellent choice for efficient performance of diesel and gas engines. Rely on the quality delivered with the comparison number 51111080037 to support the efficiency of your engines.Precision and ReliabilityThe shut-off valve ensures effective control of fluid flows in your engines. As an OEM replacement part, it is specially manufactured to meet the high demands of the market. Secure the ideal product that is suitable for your specific applications.
SHUT-OFF VALVE - 51111080036 suitable for MAN D-engines
Discover the Shut-off Valve for Your EnginesThe Shut-off valve with the comparison number 51111080036 is an efficient OEM replacement part specifically designed to optimize functionality in your machine. Rely on reliable performance tailored to the needs of your systems.Suitable for MAN D Engines – Covering Every Application OptimallyThis product is essential for achieving maximum efficiency and is suitable for MAN D engines. Count on the functionality and quality of our OEM replacement parts to support your machines effectively.
PRESSURE CONTROL VALVE - 2418529989 suitable for Bosch engines
Effective Pressure Control Valve for MAN D EnginesDiscover our efficient pressure control valve with the comparable part number 2418529989. This spare part offers a perfectly coordinated attachment for your MAN D engines, ensuring the operational functionality of your machines. As part of the product group valves, this product is crucial for the smooth operation in various applications, whether in marine or stationary use.
PRESSURE CONTROL VALVE - 51111080031 suitable for MAN D-engines
Pressure Control Valve suitable for MAN D EnginesThe OEM replacement part pressure control valve with the comparison number 51111080031 is specifically designed to meet the requirements of engines. As a single component in the group of valves, it impresses with precise functionality, ensuring an ideal operation in your engine system. It weighs only 0.04 kg and can be easily installed.Quality Features of OEM Replacement PartsThis pressure control valve is an OEM replacement part that can be used for MAN D engines. With the comparison number 51111080031, this replacement part stands for excellent fit accuracy. You can rely on our product to offer numerous benefits and support the functionality of your engines.
SHUT-OFF VALVE - 2417010044 suitable for Bosch engines
Robust Shut-off Valve for Outstanding Engine PerformanceDiscover the shut-off valve with the comparison number 2417010044, an essential OEM spare part for demanding applications. This product has been specifically designed to ensure optimal operation and high performance in engines. As part of the category of valves, it fits perfectly into both diesel and gas engines to enhance their efficiency.Suitable for MAN D EnginesOur shut-off valve is suitable for MAN D engines and provides what your system needs. With compact dimensions of 22.7 cm in length and width, and 13 cm in height, it integrates seamlessly into existing installations while weighing a total of 0.866 kg. Due to these dimensions, the component is ideally suited for marine and stationary applications, prioritizing reliable quality.
CONSTANT-PRESSURE VALVE - 2418559045 suitable for Bosch engines
Constant-pressure valve for marine and stationary applicationsOur constant-pressure valve (comparison number: 2418559045) is an essential OEM spare part for applications in marine and stationary technology. Weighing only 0.03 kg, it impresses with its compact design and ensures optimal performance in various engine systems.Suitable for MAN D enginesThis product is suitable for MAN D engines and meets the high standards of original equipment manufacturer quality. By exclusively using OEM spare parts, we always adhere to the highest standards for efficiency enhancement.
PRESSURE CONTROL VALVE - 51111080027 suitable for MAN D-engines
Overview of the Pressure Control ValveDiscover the pressure control valve with the comparison number 51111080027, compatible with MAN D engines. This powerful product ensures efficient functionality and pays attention to the maintenance of your engines. As an OEM spare part, it stands for quality and durability, making it ideal for industrial use.Suitable for MAN D Engines – Features and WeightThe precise pressure control valve, suitable for MAN D, weighs only 0.01 kg and meets the requirements for demanding applications. By using high-quality materials as an OEM spare part, it delivers perfect performance, even under challenging conditions.
SHUT-OFF VALVE - 2417205017 suitable for Bosch engines
Innovation Power in Detail: Description of the Shut-off ValveDiscover our reliable Shut-off valve, meticulously developed and an excellent choice for your MAN D engines. With the comparison number 2417205017, this product belongs to the category of Valves and offers the performance you need. Our OEM spare parts stand for quality and perfectly coordinated functionality.
CONSTANT-PRESSURE VALVE - 51111080022 suitable for MAN D-engines
Excellent Product: Constant-pressure Valve for Your ApplicationsDiscover our Constant-pressure valve (reference number: 51111080022), specially designed to support the functionality of your engines. This OEM replacement part is suitable for MAN D engines and belongs to the category of Valves. With a lightweight of only 0.032 kg, it will be crucial in a variety of applications in marine and aerospace engineering as well as in locomotives.
PRESSURE CONTROL VALVE - 51111080006 suitable for MAN D-engines
Pressure Control Valve compatible with MAN D enginesThe pressure control valve with the comparison number 51111080006 is an essential OEM spare part specifically designed to ensure efficiency in needle and gas engines. Weighing 0.3 kg, the pressure control valve impresses with both its functionality and quality, which your machines require.Quality of OEM spare partsThis product is an OEM spare part compatible with MAN D engines. The pressure control valve plays a crucial role in maintaining optimal operating pressure. Enhance performance and reliability in your engines by trusting the high standards of our product.
AIR SUPPLY VALVE - 51111070037 suitable for MAN D-engines
Air Supply Valve for MAN D Engines: Quality That MattersDiscover our air supply valve (comparison number: 51111070037), an outstanding OEM replacement part. This product is suitable for MAN D engines and ensures that your diesel or gas engine operates efficiently. At MOPA Motorparts, we offer only OEM replacement parts of the highest precision and durability.Suitable Component for Top PerformanceAs a specific component, designed for MAN D, our air supply valve meets the requirements of professional applications in the marine and stationary industries. Our products are crafted to optimize operations and enhance the performance of your 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.