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:
VALVE - 0281002241 suitable for Bosch engines
Discover Valve with Comparison Number 0281002241Discover our Valve with the comparison number 0281002241, specifically developed as a product to optimally support the performance of your engines. This OEM spare part is perfectly suitable for the needs of diesel and gas engines. Weighing only 0.064 kg and featuring precise construction, it ensures reliable functionality in demanding applications.Compatible with Various EnginesOur product is an OEM spare part, meaning it comes from Original Equipment Manufacturers and meets the highest quality standards. The Valve is suitable as a matching part for Mercedes engines, ensuring complete compatibility and durability. Rely on our expertise to keep your engines in excellent condition.
EXHAUST VALVE - 61041010634 suitable for MAN D-engines
Product Description Exhaust Valve: Optimal Solution for EnginesDiscover the exhaust valve, part number 61041010634, suitable for MAN D engines. This OEM replacement part ensures maximum reliability and ideal performance. Each product undergoes stringent internal controls to protect your investment from unforeseen issues.Original Equipment Quality for Performance OptimizationOur exhaust valve offers you original equipment quality at an attractive price. Specifically, this means that at MOPA Motorparts, we sell only OEM replacement parts that meet the manufacturer's specifications. Trust in products that provide excellent performance and cover your comprehensive requirements.
INLET VALVE - 61041010633 suitable for MAN D-engines
Powerful Inlet Valve for Your EnginesDiscover our OEM spare part, the inlet valve with the comparison number 61041010633. This product is specifically designed to meet the requirements of engines suitable for MAN D engines. Ensure the optimal functioning of your engine with our premium components.Excellent Quality for MAN D EnginesThe inlet valve, suitable for MAN D, impresses with reliable performance and long durability. It has been developed as an OEM spare part and meets the highest standards in the marine and stationary sectors. Trust in top-notch quality to ensure the efficiency of your engines.
SOLENOID VALVE - 5772070220 suitable for Bosch engines
Effective Solenoid Valve for Your NeedsDiscover our solenoid valve with the comparison number 5772070220, an essential component in the category of valves. This OEM replacement part offers reliability and performance, specifically designed for demanding applications in various industrial and marine-specific areas.
VALVE - 5410500127 suitable for MTU engines
OEM Spare Parts for Highest StandardsDiscover our premium Valve with the reference number 5410500127, specifically designed for MTU engines. This product is part of our category of valves and offers the highest reliability, as we exclusively sell OEM spare parts that are tested in demanding applications.Robust Performance for EnginesWeighing 135 kg, the Valve features a robust construction and performance that is suitable for demanding applications in marine and stationary use. This OEM spare part meets all high industry standards, ensuring that your machinery operates efficiently and performs well.
PRESSURE RELIEF VALVE - F00BR80062 suitable for Bosch engines
Pressure Relief Valve F00BR80062 for MTU Engines InstallationDiscover our premium pressure relief valve, available under the comparison number F00BR80062. This essential product enhances the safety and performance of your engines. The valve is suitable for the MTU Series 2000, specifically for engine types 10V2000M93 and 12V2000M93. Made from high-quality materials, it meets high standards for industrial use.Discounted OEM Spare Parts for Your NeedsThe pressure relief valve F00BR80062 represents an OEM spare part that meets the highest standards. By using OEM spare parts in your operating environment, you increase the reliability of your machines and extend the lifespan of your engines. With a weight of 0.285 kg and compact dimensions of 8 cm in length, 8 cm in width, and 3 cm in height, this valve fits seamlessly into various systems while providing outstanding performance.
PRESSURE RELIEF VALVE - F.00BR80061 suitable for Bosch engines
Pressure Relief Valve F.00BR80061: Quality for Your ApplicationsDiscover outstanding performance and reliability with our pressure relief valve (comparison number: F.00BR80061). This product from the category valves was specifically designed to meet the highest demands in marine and stationary applications. The use of this pressure relief valve efficiently optimizes the performance of your engine and effectively counteracts wear.Fits for MTU: Precision for Uncompromising PerformanceOur pressure relief valve is compatible with MTU engines of the 2000 series, including models such as 10V2000M93 and 12V2000M93. The high precision ensures that the OEM replacement part can be seamlessly integrated into your existing systems. Rely on the precision of an OEM replacement part to ensure the smooth operation of your machines and keep them in optimal condition.
NON-RETURN VALVE - 51981256006 suitable for MAN D-engines
High-Performance Non-return Valve Suitable for MAN D EnginesDiscover the non-return valve with the comparison number 51981256006, a valuable spare part that is suitable for MAN D engines. This product from the category valves ensures reliable and safe operation of your engines. Our OEM spare parts stand for quality and efficiency, ideal for use in marine and stationary applications.Quality You Can Rely OnThis non-return valve offers excellent performance and durability that you desire. Each OEM spare part undergoes rigorous testing to meet the highest standards. Rely on the non-return valve suitable for MAN D engines and benefit from consistent quality you won’t want to miss.
SHUT-OFF VALVE - 51981256002 suitable for MAN D-engines
Ultimate Shut-off Valve for Your RequirementsDiscover the Shut-off valve (comparison number: 51981256002) that is optimally designed for MAN D engines. This OEM replacement part ensures a precise installation as well as maximum performance. Our products meet strict industry standards and offer outstanding quality.Excellent Product QualityEach OEM replacement part is carefully inspected to ensure durability and reliability. With the Shut-off valve, you demonstrate how efficiently you can leverage the engineering behind the engines while simultaneously increasing the lifespan of your MAN D engines.
NON-RETURN VALVE - 51981256001 suitable for MAN D-engines
Non-return valve with comparison number 51981256001 Discover the non-return valve (comparison number: 51981256001), which offers reliable functionality for your needs. This product comes from the category of valves and is specially designed to ensure that your engines operate efficiently.
NON-RETURN VALVE - 51981250006 suitable for MAN D-engines
Precise Technology for Engines Discover our non-return valve, the ultimate product suitable for MAN D engines. This high-quality OEM replacement part has the reference number 51981250006, which facilitates identification and ordering. Trust in the quality and reliability of our products, recognized in the industry.OEM Quality for Longevity Our OEM replacement parts are particularly reliable, as they come directly from the Equipment Manufacturer. Unlike aftermarket products, we offer only the best, ensuring your engines always operate optimally. The non-return valve, suitable for MAN D engines, assures the reliable performance you expect from engine components.
DRAIN VALVE - 51981250003 suitable for MAN D engines
DRAIN VALVE with the comparison number 51981250003 suitable for MAN D engines
- 51960026005 suitable for MAN D-engines
Optimal Functionality with Comparison Number 51960026005 Discover our ventilation valve (comparison number: 51960026005), which provides specifically suitable solutions for your engine requirements. This OEM spare part is ideal for ensuring that your MAN D engines operate efficiently. With us, you will find only high-performance OEM spare parts that feature top-notch quality.Tailored for MAN D Engines Our ventilation valve is suitable for MAN D engines and meets the highest industry standards. With a component that can be optimally integrated into marine or stationary applications, you can count on reliability and longevity. Opt for spare parts that ensure smooth operation of your engines.
OIL PRESSURE VALVE - 51936100002 suitable for MAN D-engines
Oil Pressure Valve - Customized ProductDiscover our Oil Pressure Valve with comparison number 51936100002, which precisely meets the requirements of your MAN D engines. This OEM spare part ensures reliable oil regulation and thus contributes to the long-term efficiency and stability of your engines. Rely on a product specifically designed for high demands.Precision Ensured: Comparison Number 51936100002The Oil Pressure Valve weighs only 0.003 kg and is optimally designed to harmonize with engines suitable for MAN D. As part of the Valves group, it plays an essential role in engine operation and ensures functionality under various operating conditions. Always choose OEM spare parts of the highest quality for your applications.
FLOW ORIFICE - 51916060085 suitable for MAN D-engines
Flow Orifice: Your Modern Spare PartThe flow orifice with the comparison number 51916060085 is an essential product that is directly used for optimizing engines. This flow orifice is suitable for MAN D engines and allows for reliable flow regulation, which is crucial for the smooth operation of your machines. Weighing only 0.262 kg and with compact dimensions of 7.5 cm in length and width and 1.2 cm in height, the orifice can be easily integrated into various system configurations.OEM Spare Parts for the Highest DemandsWe offer OEM spare parts designed for quality and reliability. The flow orifice meets all requirements for applications suitable for MAN D engines. Every detail in the construction is oriented towards the highest standards and ensures optimal functionality for various systems.
DRAIN VALVE - 51903107003 suitable for MAN D-engines
Discover the Drain Valve Discover our drain valve with the comparison number 51903107003, specially designed to promote optimal functionality. This spare part impresses with its reliability in marine and stationary applications. Trust in the quality of OEM spare parts that are optimized for longevity and efficiency.Lightweight and Durable Weighing only 0.11 kg, our drain valve represents a perfect combination of lightweight design and stability. This OEM spare part is ideally suited for "compatible with MAN D engines," which place high demands on their components. Performance and reliability are integral to ensuring the functionality and longevity of your engines.
DRAIN VALVE - 51903107002 suitable for MAN D-engines
Efficient Drain Valve (Comparison Number 51903107002)Discover our drain valve (comparison number 51903107002), a reliable OEM replacement part specifically designed to optimize the performance of your engines. Weighing only 0.13 kg, it combines flexibility with a robust design to meet the highest demands.
DRAIN VALVE - 51903107001 suitable for MAN D-engines
Efficient Drain Valve for Industrial ApplicationsDiscover our drain valve (comparison number: 51903107001), specially designed for MAN D engines. This OEM replacement part ensures smooth operation of your diesel and gas engines in marine and stationary applications as well as in locomotives. Weighing 0.107 kg, the valve is lightweight and robust, ideal for demanding applications.Proven OEM Replacement Parts for the Highest StandardsWith our years of experience in the field of OEM replacement parts, we offer only the best items. Our drain valve provides the desired fit and reliability required for MAN D engines. Each product in our range is characterized by excellent performance and longevity.
DRAIN VALVE - 51903106009 suitable for MAN D-engines
Quality Product for Engine Applications: Drain ValveThe drain valve with the reference number 51903106009 is a top-quality OEM spare part, ideally suited to maximize the efficiency of your engines. This product is specifically designed and compatible with MAN D engines. By using this drain valve, you can enhance the performance of your machines.OEM Spare Parts for Critical ApplicationsOur OEM spare parts stand for reliability and high quality. The drain valve with the reference number 51903106009 ensures that the engines operate smoothly at all times. You will find only products that are specifically compatible with MAN D engines, allowing you to benefit from your choice in the long term.
- 51541226006 suitable for MAN D-engines
Parts Set Ventilation Valve for Your NeedsDiscover our parts set ventilation valve (reference number: 51541226006), suitable for MAN D engines. This product falls under the category of lines and pipes and offers innovative solutions for your industrial applications.Reliability with OEM Spare PartsWe exclusively offer OEM spare parts designed for durability and efficiency. With the reference number 51541226006, you can be assured that our parts set ventilation valve works optimally with your engines.
SAFETY VALVE - 51541220013 suitable for MAN D-engines
Tailored Safety for EnginesDiscover our safety valve, described by part number 51541220013, meeting the highest standards. This product impresses with outstanding performance and is precisely designed for MAN D engines. An essential component that ensures safety and efficiency in your operations.
SAFETY VALVE - 51541220002 suitable for MAN D-engines
Efficient Safety Valve with Comparison Number 51541220002The safety valve with the comparison number 51541220002 is an essential product for your suitable for MAN D engines. This OEM spare part meets all the requirements and standards of the manufacturer, ensuring the performance and reliability of your engines in the long term.
SOLENOID VALVE - 51521600013 suitable for MAN D-engines
Solenoid valve with comparison number 51521600013Discover our solenoid valve with the comparison number 51521600013, which is essential for your suitable for MAN D engines. This OEM spare part from our article group of valves offers the advantage of reliable performance for your engines.Spare parts suitable for MAN D engines – Your solution in OEM qualityOur OEM spare parts, including this solenoid valve, are specifically designed to be suitable for MAN D engines. With a large stock, we can offer a variety of these spare parts in OEM quality at competitive prices. Respond promptly to maintenance needs and enhance the efficiency of your systems.
SOLENOID VALVE - 51521600005 suitable for MAN D-engines
Solenoid valve compatible with MAN D enginesDiscover our product, the solenoid valve with the comparison number 51521600005. This OEM replacement part ensures excellent performance and reliability in your application.
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.