Skip to main content Skip to search Skip to main navigation

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.

Filter products

SOLENOID VALVE - 88779726020 suitable for MAN D engines

SOLENOID VALVE - 88779726020 suitable for MAN D engines

Solenoid Valve for Your EnginesDiscover our solenoid valve with the comparison number 88779726020, specifically designed as an OEM spare part suitable for MAN D engines. This product combines durable materials and the highest manufacturing standards. Weighing 0.882 kg, our solenoid valve is an indispensable component in professional use.

Discount
BREATHER VALVE - 88779016077 suitable for MAN D engines

BREATHER VALVE - 88779016077 suitable for MAN D engines

Breather valve with comparison number 88779016077Discover our breather valve, listed under the comparison number 88779016077. This OEM replacement part is designed to provide optimal performance for engines suitable for MAN D. Rely on over 25 years of experience in providing replacement parts to maximize the performance of your machines.

Sale price: €21.01Regular price:€23.35(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
CONTROL VALVE - 88749206013 suitable for MAN D engines

CONTROL VALVE - 88749206013 suitable for MAN D engines

Control valve for your enginesDiscover our exclusive control valve, comparison number 88749206013, suitable for MAN D engines. This OEM spare part represents outstanding quality and reliability to ensure optimal performance in your drive system. Count on the right solution for your needs.

Sale price: €1,042.00Regular price:€1,157.78(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
CONTROL VALVE - 88749206012 suitable for MAN D engines

CONTROL VALVE - 88749206012 suitable for MAN D engines

Control valve with comparison number 88749206012Discover the control valve with comparison number 88749206012, a top-quality OEM replacement part, suitable for MAN D engines. This product ensures excellent functionality and durability, ideal for demanding applications in marine and stationary use.Advantages of OEM replacement parts compared to alternativesOEM replacement parts offer unmatched quality compared to aftermarket alternatives. Our control valve is an OEM replacement part specifically designed to work optimally with engines suitable for MAN D. Rely on proven designs to maximize your machines' performance.

Sale price: €8,455.59Regular price:€9,395.10(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
CONTROL VALVE - 88749206011 suitable for MAN D engines

CONTROL VALVE - 88749206011 suitable for MAN D engines

Control valve for reliable operationThe control valve with the comparison number 88749206011 is an OEM replacement part that is reliably suitable for MAN D engines. This product ensures optimal performance and efficiency in demanding operating conditions, whether in marine or stationary applications.

Sale price: €75.16Regular price:€83.51(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
CONTROL VALVE - 88749206010 suitable for MAN D engines

CONTROL VALVE - 88749206010 suitable for MAN D engines

Efficient Control Valve: For Reliable Engine PerformanceDiscover our control valve (comparison number: 88749206010), designed as an OEM replacement part compatible with MAN D engines. This product ensures a precise fit and contributes to the effective functionality of your engines.Suitable for MAN D: Essential Valves for EnginesThe control valve, suitable for MAN D, belongs to the group of valves and is indispensable for the performance of your engines. Our OEM replacement parts stand for the highest quality standards, so you can rely on long-lasting use.

Sale price: €131.53Regular price:€146.15(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
SOLENOID VALVE - 88749206003 suitable for MAN D engines

SOLENOID VALVE - 88749206003 suitable for MAN D engines

Precise Solution for Your Engine NeedsDiscover our solenoid valve with the reference number 88749206003, suitable for MAN D engines. This essential product belongs to the article group valves and provides the performance you expect from an OEM replacement part. With a weight of 1.36 kg, it is ideal for the marine and stationary use of engines.Optimal Fit AccuracyThe solenoid valve, suitable for MAN D, has been manufactured to the highest standards to ensure excellent engine performance. This OEM replacement part reduces unexpected downtime. Rely on this product to promote the smooth operation of your engines.

Sale price: €1,400.72Regular price:€1,556.36(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
NON-RETURN VALVE - 88675606003 suitable for MAN D engines

NON-RETURN VALVE - 88675606003 suitable for MAN D engines

Reliable Non-return Valve for Your EnginesExperience the excellent performance of our non-return valve, which has the comparison number 88675606003. This product is an OEM replacement part specifically designed to provide optimal functionality for your engines in various applications. Weighing only 0.5 kg, it is easy to install and ensures smooth operation.

VALVE - 88521806205 suitable for MAN D engines

VALVE - 88521806205 suitable for MAN D engines

Versatile Valve for MAN D EnginesDiscover the outstanding valve with the comparison number 88521806205, an indispensable OEM replacement part suitable for MAN D engines. This valve belongs to the category of valves and offers excellent performance thanks to its precise manufacturing. Weighing 0.75 kg, you are well-equipped for your application in marine and stationary areas.Quality and DurabilityThis valve impresses with its consistent quality and reliability, which are typical for OEM replacement parts. The product is suitable for MAN D engines and ensures the smooth operation of your engine. Trust in products that meet high standards and take your engine performance to the next level.

PRESSURE REDUCING VALVE - 88521806202 suitable for MAN D engines

PRESSURE REDUCING VALVE - 88521806202 suitable for MAN D engines

Pressure reducing valve suitable for MAN D enginesDiscover our pressure reducing valve with the comparison number 88521806202 – an essential product that is perfectly suited for the demands of engines in challenging applications. This OEM replacement part is characterized by excellent performance and durability, making it an outstanding choice for your MAN D engines. Weighing 0.8 kg, this pressure reducing valve ensures precise pressure regulation, thereby optimizing the overall performance of your engine.OEM replacement parts for reliabilityAt MOPA Motorparts, we focus on quality and uniqueness. Our pressure reducing valve is an OEM replacement part that comes directly from the manufacturer. Unlike aftermarket products, which can vary in quality, our OEM replacement parts provide the best possible fit and reliability for your engines. Trust in the quality that only an OEM product can offer!

Discount
PRESSURE REDUCING VALVE - 88521806201 suitable for MAN D engines

PRESSURE REDUCING VALVE - 88521806201 suitable for MAN D engines

Pressure Reducing Valve for High-Performance EnginesDiscover our pressure reducing valve with the comparison number 88521806201, which offers a reliable solution for engines. This product is an important OEM spare part specifically designed for the requirements of diesel and gas engines. The pressure reducing valve helps regulate pressure efficiently, ensuring your machines operate at their best.Quality at the Highest LevelOur pressure reducing valve is suitable for MAN D engines and ensures the optimal performance of your engine. Weighing only 0.78 kg, this OEM spare part is made from high-quality materials and meets the strict requirements of the manufacturer. Quality and precision are the cornerstones on which we base our products.

Sale price: €560.90Regular price:€623.22(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
3/2-WAY VALVE - 88521706202 suitable for MAN D engines

3/2-WAY VALVE - 88521706202 suitable for MAN D engines

3/2-Way Valve with Comparison Number 88521706202Discover our 3/2-way valve with the comparison number 88521706202, an OEM spare part that has been specifically designed to provide reliable performance in demanding applications. This product is suitable for MAN D engines and is characterized by its precise workmanship and durability. Weighing only 0.63 kg, you will find the ideal spare part for your needs in marine and stationary applications as well as for locomotives.Quality and Internal Control of OEM Spare PartsOur 3/2-way valve belongs to the category of Valves and is marketed as an OEM spare part. We conduct strict internal controls to ensure that all our products meet the highest quality standards. Our comparison number 88521706202 ensures that you receive exactly the component you need to optimize the performance of your engines.

SOLENOID VALVE - 88521606013 suitable for MAN D engines

SOLENOID VALVE - 88521606013 suitable for MAN D engines

Premium Solenoid Valve for Your Engine NeedsDiscover our solenoid valve, listed under the comparison number 88521606013. This powerful product is categorized within the valves and is ideally suited for applications in various engine types. Weighing 0.724 kg, it offers solid quality you can rely on.Compatible with MAN D EnginesThis OEM replacement part is perfectly compatible with MAN D engines, ensuring reliable performance. Our products meet the highest standards and are specifically designed for use in demanding environments. Rely on this solenoid valve to enhance the efficiency of your machines.

SOLENOID VALVE - 88521606012 suitable for MAN D engines

SOLENOID VALVE - 88521606012 suitable for MAN D engines

Precise Solenoid Valve for Performance in Marine ApplicationsThe solenoid valve with the comparison number 88521606012 is an essential OEM replacement part specifically designed to optimize the efficiency of your engines. This product ensures the functionality you expect from replacement parts that fit MAN D engines. Weighing only 0.76 kg, it combines efficiency and durability.Quality Standard by OEMAs an OEM replacement part, the solenoid valve is distinguished by the highest manufacturing standards. When selecting replacement parts for marine and stationary engines, we focus on precision. The comparison number 88521606012 is not just an identifier – it represents our commitment to offering you only the best replacement parts that fit MAN D engines.

Discount
3/2-WAY VALVE - 88521316006 suitable for MAN D engines

3/2-WAY VALVE - 88521316006 suitable for MAN D engines

3/2-Way Valve: Your Solution for Optimized EnginesThe 3/2-way valve with the comparison number 88521316006 is an essential OEM replacement part, suitable for MAN D engines. This product ensures impressive performance and reliability in marine and stationary applications that are crucial for your operation.Suitable for MAN D: Efficiency for Your EnginesThis component is specifically designed for MAN D and ensures that your engines operate efficiently. The thoughtful design and quality make the 3/2-way valve the optimal choice for diesel and gas engines.

Sale price: €384.35Regular price:€427.05(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
3/2-WAY VALVE - 88521316005 suitable for MAN D engines

3/2-WAY VALVE - 88521316005 suitable for MAN D engines

Premium 3/2-Way Valve for Your EngineThe 3/2-way valve with the comparison number 88521316005 is an essential OEM replacement part that has been specifically designed to provide optimal performance. This product is compatible with MAN D engines and ensures precise control of fluid flows in your engine.

Sale price: €61.07Regular price:€67.86(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
5/2-WAY VALVE - 88521316003 suitable for MAN D engines

5/2-WAY VALVE - 88521316003 suitable for MAN D engines

Reliable 5/2-way valve for your applicationsDiscover our 5/2-way valve, comparison number 88521316003, specifically designed to effectively control engines. This OEM replacement part is suitable for MAN D engines and optimizes the performance of your diesel and gas engines in marine and stationary applications.

Sale price: €313.89Regular price:€348.76(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
CHANGEOVER VALVE - 88521316002 suitable for MAN D engines

CHANGEOVER VALVE - 88521316002 suitable for MAN D engines

First-class Shuttle Valve suitable for MAN D enginesDiscover our first-class shuttle valve, perfectly suited for MAN D engines. The comparison number 88521316002 ensures that you receive a product that meets the highest standards. This OEM spare part is ideal for optimizing the performance and reliability of your engines in marine and stationary applications.Benefits of OEM spare part 88521316002The shuttle valve with comparison number 88521316002 not only offers the perfect fit for MAN D engines but also stands for durability. Weighing only 0.02 kg, it contributes to easy handling, while the construction ensures that the product meets the demands of challenging applications. Rely on our OEM spare parts, which provide you with quality and reliability.

Sale price: €39.08Regular price:€43.42(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
CHANGEOVER VALVE - 88521316001 suitable for MAN D engines

CHANGEOVER VALVE - 88521316001 suitable for MAN D engines

First-Class Shuttle Valve for Your EnginesDiscover our first-class shuttle valve with the comparison number 88521316001, specifically designed to meet the requirements of engines in demanding applications. This product is an OEM spare part that ensures your engine operates efficiently and reliably. The precise construction offers excellent quality and usability, allowing you to depend on the optimal functioning of your diesel or gas engine.Compatibility with MAN D EnginesThe shuttle valve is suitable for MAN D engines and has been developed with the utmost care to meet all specific requirements. Weighing only 0.07 kg, this OEM spare part stands out for its easy installation and excellent fit with existing components. Rely on the perfect accuracy and performance of this shuttle valve to keep your engines in optimal condition.

Discount
NON-RETURN VALVE - 88521206013 suitable for MAN D engines

NON-RETURN VALVE - 88521206013 suitable for MAN D engines

Non-return valve: Your reliable OEM spare partDiscover our non-return valve, which is marked with the comparison number 88521206013. This OEM spare part impresses with excellent craftsmanship and is ideally suited for use in MAN D engines. Weighing only 0.02 kg, this product not only allows for easy installation but also provides reliable performance for your engines.

Sale price: €61.50Regular price:€68.33(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
NON-RETURN VALVE - 88521206012 suitable for MAN D engines

NON-RETURN VALVE - 88521206012 suitable for MAN D engines

Reliable Non-return Valve for Your EnginesDiscover the non-return valve with the comparison number 88521206012. This OEM replacement part is specifically designed and suitable for MAN D engines. With a lightweight of only 0.02 kg, the non-return valve is easy to install and contributes to the efficient operation of your engines.Efficiency and Safety for Your OperationsThe non-return valve ensures that backflows are effectively prevented. This is crucial for the longevity and reliability of your engines, especially in marine and stationary applications as well as in locomotives. Rely on the quality of the OEM replacement parts that have been specifically developed for your needs.

NON-RETURN VALVE - 88521206011 suitable for MAN D engines

NON-RETURN VALVE - 88521206011 suitable for MAN D engines

Non-return valve with comparison number 88521206011The non-return valve with the comparison number 88521206011 is an essential OEM spare part for use in demanding applications. As a reliable component suitable for MAN D engines, this valve provides optimal performance and longevity. Weighing only 0.5 kg, it is ideal for marine and stationary applications.Perfect product suitable for MAN D enginesIf you are looking for a spare part that is precisely suitable for MAN D engines, our non-return valve is the right choice. This high-quality OEM spare part is manufactured to strict standards and offers an excellent fit that is crucial for the efficiency of your engines.

Discount
NON-RETURN VALVE - 88521206010 suitable for MAN D engines

NON-RETURN VALVE - 88521206010 suitable for MAN D engines

Non-return valve: Comparison number 88521206010Discover our non-return valve, comparison number 88521206010, specifically designed to efficiently support engines. This OEM spare part is suitable for MAN D engines and ensures reliable functionality, which is crucial for durability and safety in your application. Weighing only 0.02 kg, it offers perfect characteristics for your engine requirements.

Sale price: €61.07Regular price:€67.86(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
NON-RETURN VALVE - 88521206009 suitable for MAN D engines

NON-RETURN VALVE - 88521206009 suitable for MAN D engines

Non-return valve with comparison number 88521206009Discover the non-return valve with the comparison number 88521206009, an essential product for your engines. This OEM spare part belongs to the category of valves and is specifically designed to fit MAN D engines. Weighing only 0.01 kg, it simplifies handling and is ideal for various applications, whether in the marine sector or stationary installations.Reliability and Efficiency in UseThe non-return valve ensures reliable functionality and high efficiency, making it well-suited for MWM, Mercedes-Benz, Deutz, MAN, Volvo, MTU, Bosch, and Detroit Diesel. By using OEM spare parts, we ensure the highest quality standards and durability.

Sale price: €47.83Regular price:€53.14(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.

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.

Engine valve for industrial and marine engines – suitable for MTU, Deutz, MAN, Volvo Penta and MWM – replacement parts

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.

No results.