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:
REDUCING VALVE - 471115 suitable for Volvo/Volvo Penta engines
Premium Reducing Valve for Your ApplicationsDiscover our reducing valve (reference number: 471115), specifically designed and suitable for Volvo/Volvo Penta engines. This OEM spare part ensures precise performance required in marine and stationary applications. Weighing only 0.02 kg, it is ideally sized to optimize the efficiency of your engines.
PRESSURE REDUCING VALVE - 471085 suitable for Volvo/Volvo Penta engines
Robustness and Efficiency of the Reduction ValveDiscover our reduction valve, which runs under the comparison number 471085. This product is suitable for Volvo/Volvo Penta engines and belongs to the article group of clamps. Weighing just 0.019 kg, this spare part allows for easy installation and is ideal for maintenance work.Your Solution: OEM Spare Parts from MOPAUsing our reduction valve means you are selecting an OEM spare part that meets the exact standards. The comparison number 471085 ensures that this product meets the manufacturer's requirements. This gives you advantages, as high-quality spare parts ensure that your engines operate efficiently.
INLET VALVE - 4710501326 suitable for MTU engines
Quality Meets Functionality in the Inlet ValveDiscover our inlet valve, marked with the reference number 4710501326. This OEM spare part belongs to the category of valves and is suitable for MTU engines. Quality and durability are at the forefront of this product, ensuring that you can always expect the best performance from your engine.
EXHAUST VALVE - 4710500927 suitable for MTU engines
Exhaust Valve - Comparison Number 4710500927The exhaust valve, with the comparison number 4710500927, represents a top-quality OEM spare part that has been developed for optimal fitting in MTU engines. This product is ideal for diesel and gas engines, offering reliability and lasting performance.Qualitative OEM Spare PartsAs part of our category, which includes valves, we have ensured that this product meets the highest standards. Every OEM spare part we sell has undergone thorough internal controls to ensure top-notch quality.
INLET VALVE - 4710500926 suitable for MTU engines
Quality Inlet Valve for Your EnginesDiscover the inlet valve with the comparison number 4710500926, an OEM replacement part that is specifically suitable for use. This product ensures optimal performance and is an ideal choice for many applications in the marine and stationary sectors.Suitable for MTU EnginesThis OEM replacement part, compatible with MTU engines, offers you a high level of compatibility. The innovative technology of our inlet valve makes it indispensable for your maintenance and repair needs in specialized engine applications.
EXHAUST VALVE - 4710500527 suitable for MTU engines
Exhaust valve: Comparison number 4710500527Discover our exhaust valve, suitable for MTU engines, with the comparison number 4710500527. This product offers quality and performance that meet the highest industry standards. Our exhaust valve belongs to the article group valves and is a premium OEM replacement part specifically designed for your needs.Top performance for engines in demanding environmentsOur exhaust valve, suitable for MTU, provides an excellent solution for the need for replacement parts. All OEM replacement parts we sell are manufactured in original equipment quality. Trust our many years of experience in the field of diesel and gas engines.
INLET VALVE - 4710500426 suitable for MTU engines
Precise OEM Replacement Part for Your EnginesOur inlet valve, with the comparison number 4710500426, is a reliable OEM replacement part. This product fits MTU engines and ensures that the performance of your machines is optimized. Thanks to precise manufacturing, you receive a component that works reliably and efficiently.Comparison Number 4710500426: Convincing QualityThe comparison number 4710500426 ensures you receive a suitable inlet valve that is suitable for various applications in diesel and gas-powered engines. Our OEM replacement parts meet the highest standards to ensure optimal operation. The correct placement of the product secures excellent performance.
NON-RETURN VALVE - 4700981057 suitable for MTU engines
Reliable Non-return Valve for EnginesDiscover our non-return valve with the comparison number 4700981057, which has been specifically designed to meet the needs of engines. This product is perfectly suited to optimize efficiency in all applications of MTU engines.
NON-RETURN VALVE - 4700980557 suitable for MTU engines
Non-return valve for your enginesDiscover our non-return valve, marked with the comparison number 4700980557. This OEM spare part is ideal for ensuring efficient operation in your engine and is particularly suitable for demanding applications. Trust in the quality of our products, which are designed for MTU engines.Precise function for MTU enginesOur non-return valve provides reliable performance and sealing due to its correct construction. As an OEM spare part, it impresses with a precise integration, allowing it to fit effortlessly into engines designed for MTU. Rely on our diverse product range!
NON-RETURN VALVE - 4700780349 suitable for MTU engines
Precision in Every Detail: Comparison Number 4700780349Discover our product, the non-return valve with the comparison number 4700780349. This precisely manufactured OEM spare part is suitable for MTU engines. With high processing quality, the non-return valve ensures that your engines consistently perform exceptionally well.Optimal Performance for Your System: Suitable for MTUThe non-return valve provides reliable operation and effectively prevents backflows, allowing your machines to operate smoothly. This outstanding OEM spare part is suitable for MTU engines, ensuring their long-term efficiency.
SOLENOID VALVE - 4700780149 suitable for MTU engines
Solenoid valve with comparison number 4700780149Discover our solenoid valve with comparison number 4700780149, specifically designed and suitable for MTU engines. This product meets high standards in marine and stationary applications. With good material and excellent construction, this OEM replacement part is perfect for long-lasting performance.Excellent quality through internal controlAll our products, including this solenoid valve, meet central requirements for quality and reliability. The comparison number 4700780149 shows that you are choosing a well-thought-out and tested design suitable for MTU engines. To ensure that you receive only the best quality OEM replacement parts, we conduct extensive internal controls.
VALVE - 4700700046 suitable for MTU engines
Valve suitable for MTU engines – Reliable solution Discover our Valve (comparison number: 4700700046), suitable for MTU engines. This product is designed as an OEM spare part, meeting the exact specifications and requirements necessary for optimal engine performance.OEM spare parts for best performance Deliver efficient performance with our OEM spare parts. With the comparison number 4700700046, we found a valve that is suitable for MTU engines. Rely on the fit and application that your specific engines require.
INLET VALVE - 4700500826 suitable for MTU engines
Inlet Valve: Comparison Number 4700500826 Discover our inlet valve with the comparison number 4700500826, which is durable and effective. This OEM spare part is ideal for meeting the specific requirements of your engines and optimizing their performance.Efficient Solution for MTU Engines This product is suitable for MTU engines and ensures a consistent air supply. By using our inlet valve, you secure the functionality and efficiency of your engine in every application.
EXHAUST VALVE - 4700500627 suitable for MTU engines
Premium Exhaust Valve for Optimal Engine OperationDiscover our exhaust valve, which provides perfectly fitting OEM replacement parts of the highest quality. With the reference number 4700500627, our product is ideally suited for MTU engines. The characteristics of this component ensure less downtime and a long lifespan.Suitability According to RequirementsOur exhaust valve is designed to perfectly meet the specific needs of MTU engines. Utilizing this OEM replacement part ensures you get the performance you need without having to rely on aftermarket alternatives.
INLET VALVE - 4700500626 suitable for MTU engines
Premium Inlet Valve for Marine and Stationary EnginesDiscover our product, the inlet valve with the comparison number 4700500626, suitable for MTU engines. This OEM spare part belongs to the important category of valves and provides you with the reliability you need to keep your engines performing efficiently.
EXHAUST VALVE - 4700500427 suitable for MTU engines
Exhaust Valve: Essential Component for EnginesDiscover our exhaust valve (comparison number: 4700500427), an important OEM replacement part to optimize the performance of your engines. This product is essential and is suitable for MTU engines, which signals longevity and functionality.Reliable Quality for EnginesThe comparison number 4700500427 marks a replacement part that is designed for MTU engines. This ensures ideal fit and contributes to the smooth operation of your engine.
REDUCING VALVE - 469867 suitable for Volvo/Volvo Penta engines
Reducing valve with comparison number 469867Discover our premium reducing valve with the comparison number 469867, specifically designed to optimize the performance of your engines. This OEM replacement part offers reliable quality and helps you meet the high demands of your applications. Weighing 0.52 kg, the reducing valve impresses with both its lightness and robustness.Efficiency of OEM replacement partsThe reducing valve is a significant component designed for Volvo/Volvo Penta engines and is categorized under "Lines and pipes." Thanks to its special design and carefully selected materials, this product provides an excellent combination of efficient performance and durability. This ensures that your engines always run optimally.
REDUCING VALVE - 469864 suitable for Volvo/Volvo Penta engines
Experience the Efficiency of the Reducing ValveDiscover our reducing valve (comparison number: 469864), which operates optimally and reliably relieves your system. This product is specifically designed to serve as a replacement part suitable for Volvo/Volvo Penta engines. Weighing just 0.46 kg, the reducing valve can be easily installed and is ready to perform its function in your engine circuit.
PRESSURE CONTROL VALVE - 469732 suitable for Volvo/Volvo Penta engines
Excellent Pressure Control Valve with Comparison Number 469732Discover our pressure control valve with comparison number 469732, an OEM replacement part that is ideally suited to meet your demands for quality and reliability. This product, developed as an OEM replacement part, ensures that your engines deliver high efficiency and reliability. Weighing only 0.137 kg, this pressure control valve is an excellent choice for optimizing engine performance.
VALVE - 468838 suitable for Volvo/Volvo Penta engines
Efficient Valve Suitable for Volvo/Volvo PentaDiscover the valve with the comparison number 468838, which is specially designed to reliably support your engines. This OEM spare part is characterized by the highest precision. It is suitable for Volvo/Volvo Penta engines and meets the strict quality standards of the industry.
REDUCING VALVE - 468138 suitable for Volvo/Volvo Penta engines
REDUCING VALVE with the comparison number 468138 suitable for Volvo/Volvo Penta engines
INLET VALVE - 467861 suitable for Volvo/Volvo Penta engines
Inlet Valve – Comparison Number 467861Discover our inlet valve with the comparison number 467861, an essential OEM spare part, suitable for Volvo/Volvo Penta engines. Weighing only 0.21 kg, you benefit from a product designed for demanding environments, particularly in marine and stationary applications. Rely on dependability when it comes to keeping your engines in optimal condition!Quality of Engine Components – Suitable for ManufacturersThe inlet valve belongs to the category of engine components. This OEM spare part ensures smooth engine operation and showcases the quality you expect from a leading manufacturer. Each product is designed for durability and robustness to specifically meet the demands of Volvo/Volvo Penta engines.
INLET VALVE - 467625 suitable for Volvo/Volvo Penta engines
Reliable Inlet Valve for Your EnginesDiscover the OEM replacement part Inlet Valve with the comparison number 467625, which tackles many challenges in the industry due to its quality and fit. It is suitable for Volvo/Volvo Penta engines and is ideal for demanding conditions in marine and stationary use. Weighing only 0.21 kg, it offers easy handling and installation.The Benefits of Choosing OEM Replacement PartsCompared to aftermarket alternatives, our OEM replacement parts provide a superior fit that contributes to optimal performance. The Inlet Valve 467625 is suitable for Volvo/Volvo Penta engines and prevents performance losses that can arise from using mismatched accessories.
VALVE - 466450 suitable for Volvo/Volvo Penta engines
Flexible Valve with Top PerformanceDiscover our powerful valve with the comparison number 466450, designed for Volvo/Volvo Penta engines. This OEM replacement part meets the stringent requirements necessary for operation in diesel and gas engines. Weighing 0.355 kg, it offers remarkable reliability in both marine and stationary use.Quality You Can Count OnOur product provides the advantages of OEM replacement parts in original equipment quality at fair prices. By choosing our replacement part, which meets the top-notch standard just like comparable products, you are investing in the performance of your engines. This comparison number 466450 ensures continuity and effective operation of the 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.