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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.

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INLET VALVE - K0004185770 suitable for MAN D engines

INLET VALVE - K0004185770 suitable for MAN D engines

Inlet Valve with Comparison Number K0004185770Discover our inlet valve with the comparison number K0004185770, specially designed to be reliably used in engines suitable for MAN D. This OEM replacement part offers you an optimal solution to enhance the efficiency of your machinery. Weighing 0.23 kg, the product is easy to install and ensures stable performance.Fit for MAN D EnginesThe inlet valve is a valuable component designed for MAN D engines. As part of our group of valves, we confirm that you will receive only OEM replacement parts of the highest quality. The combination of precision and reliability makes this product an excellent choice to meet your needs.

Sale price: €58.18Regular price:€64.65(10% saved)
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EXHAUST VALVE - K0004185461 suitable for MAN D engines

EXHAUST VALVE - K0004185461 suitable for MAN D engines

Exhaust Valve Compatible with MAN D EnginesDiscover our exhaust valve compatible with MAN D engines, with the reference number K0004185461. This product is an OEM spare part that offers the highest precision and reliability, which are crucial for diesel and gas engines in marine as well as stationary applications. Rely on the quality that only an OEM spare part can provide.Excellent Materials and WorkmanshipThe exhaust valve weighs only 0.25 kg and combines functionality with efficiency. Every component we offer is carefully tested to ensure it meets the highest standards. We take pride in providing only OEM spare parts known for their durability and performance.

Sale price: €18.14Regular price:€20.15(10% saved)
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PRESSURE RELIEF VALVE - K0003361348 suitable for MAN D engines

PRESSURE RELIEF VALVE - K0003361348 suitable for MAN D engines

Precision Valve for High-Performance EnginesThe pressure relief valve with the reference number K0003361348 is a crucial OEM spare part specifically designed to meet the high demands of engines. This product is suitable for MAN D engines and provides the necessary reliability and performance that are essential in marine and stationary applications. Weighing only 0.01 kg, this valve is both lightweight and durable.

Sale price: €5.85Regular price:€6.50(10% saved)
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CONTROL VALVE - K0002419488 suitable for MAN D engines

CONTROL VALVE - K0002419488 suitable for MAN D engines

Control Valve K0002419488 for Maximum EfficiencyExperience the reliable control valve with the part number K0002419488, specially designed to function optimally with MAN D engines. This product belongs to the category of valves and ensures that your engine operates efficiently. Weighing 0.534 kg, it is a specially developed OEM spare part that meets the highest quality standards.OEM Spare Parts for MAN D EnginesOur control valve, suitable for MAN D engines, offers the necessary reliability and efficiency required for your diesel and gas engines in marine and stationary applications. Manufactured as OEM spare parts, they support the longevity of your engine and ensure smooth operation.

Sale price: €304.96Regular price:€338.85(10% saved)
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VALVE - K0002419342 suitable for MAN D engines

VALVE - K0002419342 suitable for MAN D engines

Innovative Valve for Reliable Engine Performance Discover our outstanding valve with the reference number K0002419342, specially designed to meet the requirements of engines. This OEM replacement part weighs 0.63 kg and impresses with its precise workmanship and reliability. Each product is manufactured to strict quality standards to meet high demands in marine and stationary applications.Suitable for MAN D – Your Reliable Replacement Solution The valve is suitable for MAN D engines and provides an optimal solution to enhance the performance and efficiency of your engine. With this high-quality OEM replacement part, you benefit from a long lifespan and smooth operation. Rely on the suitability and user-friendliness of this specific component in your machine.

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BREATHER VALVE - K0002145639 suitable for MAN D engines

BREATHER VALVE - K0002145639 suitable for MAN D engines

Optimal Solution for Valves in Marine and Stationary ApplicationsThe breather valve with the reference number K0002145639 is an essential component for engines that require reliable and efficient performance. It belongs to the category of valves and is presented as a certified OEM spare part. Weighing 0.61 kg, this product is both robust and functional.Efficiency Enhancement for Your EnginesThe breather valve ensures that excess air and gases are effectively diverted, which increases the lifespan and efficiency of your long-lasting engines. It is specifically designed to fit MAN D engines and impresses with perfect compatibility. With this product, you are investing in the sustainable performance of your machines.

Sale price: €539.96Regular price:€599.95(10% saved)
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SOLENOID VALVE - K0002140588 suitable for MAN D engines

SOLENOID VALVE - K0002140588 suitable for MAN D engines

Solenoid Valve – Efficiency for Your EnginesDiscover our Solenoid valve with the comparison number K0002140588, optimally tailored to your requirements. This product belongs to the category of Valves and provides precise control of fuel flow, which is crucial for the efficiency of your suitable for MAN D engines. With a weight of 0.804 kg, our solenoid valve offers stability and durability for marine and stationary applications.Quality Components for Your UseOur Solenoid valve is available as an OEM spare part, meaning it meets the highest quality standards. This spare part is suitable for MAN D engines, so you can be confident that the performance and function of your engine remain reliable. Trust us to provide first-class OEM spare parts that are essential for the smooth operation of your engine.

Sale price: €905.00Regular price:€1,005.55(10% saved)
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PRESSURE CONTROL VALVE - K0001320792 suitable for MAN D engines

PRESSURE CONTROL VALVE - K0001320792 suitable for MAN D engines

Quality Pressure Control Valve for Compatible MAN D EnginesDiscover our pressure control valve (comparison number: K0001320792), which is specifically designed to meet the demands of professional applications. Weighing only 0.015 kg, this product is tailored for optimal functionality in various areas of use and provides the reliability you expect.

Sale price: €50.95Regular price:€56.62(10% saved)
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DISC VALVE - K0001320069 suitable for MAN D engines

DISC VALVE - K0001320069 suitable for MAN D engines

Robust Disc Valve with Comparison Number K0001320069The disc valve with comparison number K0001320069 is an essential component for efficient engines. This OEM spare part is specifically designed to ensure the functionality of engines compatible with MAN D engines. Weighing 1.25 kg, it is robust enough to meet the challenges posed by demanding applications.

Sale price: €585.59Regular price:€650.65(10% saved)
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SOLENOID VALVE - K0001180953 suitable for MAN D engines

SOLENOID VALVE - K0001180953 suitable for MAN D engines

High-Performance Solenoid Valve for EnginesDiscover our solenoid valve, perfectly suited for applications in MAN D engines. It has the comparison number K0001180953 and belongs to the category of valves. Weighing only 0.212 kg, this product features a compact design that allows for easy integration into your engines. Our OEM replacement parts provide the quality you expect from a top-notch product.Quality Products for MAN D EnginesOur OEM replacement parts are specifically designed to ensure performance and reliability in your engine system. With the comparison number K0001180953, you receive a solenoid valve that is precisely tailored for MAN D engines. Trust our over 25 years of experience in supplying engine replacement parts to support the optimal functioning of your machinery.

Sale price: €201.53Regular price:€223.93(10% saved)
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 - F00VC01015 suitable for Bosch engines

- F00VC01015 suitable for Bosch engines

Powerful Valve - Comparison Number F00VC01015Discover our powerful valve, comparison number F00VC01015. This OEM replacement part offers excellent quality and is suitable for Bosch engines. With this product, you ensure the optimal performance of your diesel or gas engine in demanding applications.Precision through OEM Replacement PartsAs an OEM replacement part, our valve impresses with accuracy and reliability. It is ideally suited for all engines that rely on Bosch quality. Trust in the durability and robustness of this replacement part.

SOLENOID VALVE - F00RJ02697 suitable for Bosch engines

SOLENOID VALVE - F00RJ02697 suitable for Bosch engines

Solenoid Valve F00RJ02697 – Your Solution for EnginesThe solenoid valve with the reference number F00RJ02697 is an essential OEM spare part specifically designed for the efficient performance of your engines. This product, compatible with Bosch engines, offers the highest quality and durability to ensure smooth functionality.

CONTROL SLIDE - F00RJ01479 suitable for Bosch engines

CONTROL SLIDE - F00RJ01479 suitable for Bosch engines

Efficient Performance with the Control SlideDiscover the product Control Slide, comparison number F00RJ01479, which has been specifically developed to enhance the efficiency of your engines. This OEM replacement part belongs to the product group Valves, making it an indispensable component for high-performance machines.Compatible with Bosch EnginesThe Control Slide is compatible with Bosch engines and provides the necessary precision and quality for effective engine control. With OEM replacement parts from MOPA Motorparts, you can rely on proven standards that have been valued in the industry for over 25 years.

CONTROL SLIDE - F00BC80175 suitable for Bosch engines

CONTROL SLIDE - F00BC80175 suitable for Bosch engines

Control Slide for Optimal Engine PerformanceThe control slide with the comparison number F00BC80175 is an essential product that optimizes the performance of your engines. This OEM spare part impresses with top-notch craftsmanship and reliability, specifically designed for demanding applications.

SOLENOID VALVE - F00BC80152 suitable for Bosch engines

SOLENOID VALVE - F00BC80152 suitable for Bosch engines

Precise Solenoid Valve Product Suitable for Bosch EnginesThe solenoid valve with the reference number F00BC80152 is an OEM replacement part specifically designed for Bosch engines. This product ensures precise control and high functionality in demanding engine applications. With dimensions of 8.3 cm in length and width and 11.4 cm in height, it combines a compact design with optimal performance, making it ideal for a wide range of uses.OEM Replacement Part Solenoid Valve Suitable for Bosch Manufacturer EnginesThis solenoid valve is an OEM replacement part from the category Valves and weighs 1.877 kilograms. It is designed to fit Bosch engines and is characterized by precise fit and quality. The reference number F00BC80152 facilitates the identification of this product and assists in sourcing compatible components for your engines.

BREATHER VALVE - A0981521800 suitable for MAN D engines

BREATHER VALVE - A0981521800 suitable for MAN D engines

Breather Valve with Comparison Number A0981521800Discover our reliable breather valve, suitable for MAN D engines, with the comparison number A0981521800. This OEM replacement part belongs to the group of valves and ensures the optimal functioning of your engines. Weighing only 0.015 kg, installation is simple and efficient.Quality and Functionality for EnginesYou can rely on the quality of this breather valve. As an OEM replacement part, it meets the highest standards and ensures consistent performance. The use of robust materials makes it ideal for engines designed for high loads. Trust in a product that is designed for performance and reliability.

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SAFETY VALVE - 93251260089 suitable for MTU engines

SAFETY VALVE - 93251260089 suitable for MTU engines

Safety Valve – Precision in Every DetailDiscover our excellent safety valve, comparison number 93251260089, suitable for MTU engines. This OEM replacement part ensures reliable functionality and optimizes the performance of your diesel or gas engine. Trust in the quality and precision that only OEM replacement parts can offer.

Sale price: €1,377.32Regular price:€1,530.36(10% saved)
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SAFETY VALVE - 93251260078 suitable for MTU engines

SAFETY VALVE - 93251260078 suitable for MTU engines

Reliable Solution: Safety ValveDiscover our safety valve with the comparison number 93251260078. This product is optimized for use in engines and ensures maximum safety. It belongs to the category of valves and is particularly important for the smooth operation of your machines.Suitable for MTU EnginesThe safety valve is suitable for MTU engines and provides the quality you need for safe operation. With our selection of OEM spare parts, we ensure that all components are precisely manufactured and perform their function reliably over the long term.

Sale price: €730.55Regular price:€811.72(10% saved)
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VALVE - 90911771050 suitable for MAN D engines

VALVE - 90911771050 suitable for MAN D engines

Valve suitable for MAN D enginesDiscover our Valve with the comparison number 90911771050, which is suitable for MAN D engines. This OEM spare part ensures a precise fit and reliable performance, as it comes from a leading manufacturer. Trusted and proven, this product ensures that your diesel or gas engines operate optimally.Excellent quality for your enginesWeighing only 0.002 kg, our OEM spare part is lightweight yet robust. It has been carefully designed to meet the highest standards, providing reliable support for your product in marine and stationary use as well as for locomotives. Trust in the performance that only OEM spare parts like this can offer, compared to alternative aftermarket options.

PRESSURE CONTROL VALVE - 90816954048 suitable for MAN D engines

PRESSURE CONTROL VALVE - 90816954048 suitable for MAN D engines

Pressure Control Valve for Reliable EnginesDiscover our pressure control valve, the ideal OEM replacement part with the comparison number 90816954048. This product is perfectly suitable as it is designed for MAN D engines. Our products offer excellent performance and longevity for your engines.

PRESSURE CONTROL VALVE - 90816954047 suitable for MAN D engines

PRESSURE CONTROL VALVE - 90816954047 suitable for MAN D engines

Quality and Efficiency of the Pressure Control ValveDiscover the pressure control valve with the comparison number 90816954047, specially designed for MAN D engines. This OEM spare part belongs to the category of valves and offers an excellent solution for your engines. Weighing only 0.03 kg, this product is both lightweight and efficient in optimizing your engines' performance.Reliable Performance for EnginesThe pressure control valve with the comparison number 90816954047 is an OEM spare part that meets the highest standards. Companies that value reliable components will find the ideal product here. Compatible with MAN D engines, it ensures that your engine runs smoothly and achieves its full performance.

SOLENOID VALVE - 90810214137 suitable for MAN D engines

SOLENOID VALVE - 90810214137 suitable for MAN D engines

Solenoid valve for reliable engine operationDiscover our solenoid valve, marked with the comparison number 90810214137. This OEM replacement part is specifically designed for MAN D engines and ensures optimal performance of your diesel and gas engines in marine and stationary applications.Quality that convincesWith a weight of 2.1 kg, this product is not only robust but also efficient. The solenoid valve enhances the operation of your engines and ensures that everything functions smoothly. Rely on our more than 25 years of experience in providing OEM replacement parts that meet the highest standards.

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DRAIN VALVE - 88903106003 suitable for MAN D engines

DRAIN VALVE - 88903106003 suitable for MAN D engines

Efficient Drain Valve suitable for MAN D EnginesDiscover the drain valve with the comparison number 88903106003, specifically designed to meet the demands of engines. This reliable product is an essential component for anyone aiming for maximum efficiency in their engines. The drain valve is perfectly designed to provide smooth operation and longevity.

Sale price: €29.89Regular price:€33.22(10% saved)
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NON-RETURN VALVE - 88779730002 suitable for MAN D engines

NON-RETURN VALVE - 88779730002 suitable for MAN D engines

Non-return valve: Precision in ApplicationOur non-return valve with the comparison number 88779730002 offers you the highest precision and reliability. This product is suitable for MAN D engines and ensures smooth operation in demanding applications, including marine and stationary use as well as locomotives. Trust in the quality of OEM spare parts that we have been providing for over 25 years.

Sale price: €5.43Regular price:€6.03(10% saved)
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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.

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