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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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3/2-WAY VALVE - 81259026108 suitable for MAN D engines

3/2-WAY VALVE - 81259026108 suitable for MAN D engines

Optimal 3/2-way valve for MAN D enginesDiscover the 3/2-way valve compatible with MAN D engines, with the comparison number 81259026108. This OEM replacement part impresses with its outstanding quality and ensures optimal functionality. With this product, you ensure that your machines operate efficiently, whether in marine or stationary use.Versatile application possibilitiesWeighing only 0.19 kg, the valve is not only lightweight but also offers high robustness. As an OEM replacement part, it is perfectly compatible with engines designed for MAN D. The use of high-quality materials ensures long-term use, protecting and optimizing your systems.

Sale price: €215.67Regular price:€239.63(10% saved)
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SOLENOID VALVE - 81259026107 suitable for MAN D engines

SOLENOID VALVE - 81259026107 suitable for MAN D engines

Solenoid Valve suitable for MAN D EnginesDiscover our top-quality solenoid valve with the comparative number 81259026107, which is optimally tailored to the requirements of engines. This replacement part belongs to the group of valves and ensures reliable functionality in various applications. Weighing 1.165 kg, this solenoid valve is a robust component for your machinery fleet.

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SOLENOID VALVE - 81259026106 suitable for MAN D engines

SOLENOID VALVE - 81259026106 suitable for MAN D engines

Premium Solenoid Valve: Part Number 81259026106Discover our solenoid valve, part number 81259026106, specifically designed to offer an optimal fit for MAN D engines. As an OEM replacement part, it delivers quality you can rely on. Weighing 0.65 kg, this product is well-suited for the high demands of marine and stationary applications.Efficient Functionality for MAN D EnginesThe solenoid valve plays a crucial role in controlling the fuel flow and is thus indispensable for engine performance. Our product, suitable for MAN D, ensures that your engine operates under optimal conditions. Rely on our expertise in providing OEM replacement parts for various manufacturers.

Sale price: €888.26Regular price:€986.96(10% saved)
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3/2-WAY VALVE - 81259026093 suitable for MAN D engines

3/2-WAY VALVE - 81259026093 suitable for MAN D engines

High-Quality 3/2-Way Valve for Your RequirementsDiscover our 3/2-way valve (comparison number: 81259026093), designed to deliver optimal performance. This product is suitable for MAN D engines and belongs to the category of Valves. Weighing 0.92 kg, the valve meets the high demands in marine and stationary applications, ensuring uninterrupted operation.OEM Replacement Parts for Top PerformanceOur OEM replacement parts provide excellent quality and maximum reliability. The 3/2-way valve is suitable for MAN D engines and is manufactured under strict quality controls. Trust our long-standing experience in the distribution of OEM replacement parts to ensure the performance of your engines.

3/2-WAY VALVE - 81259026089 suitable for MAN D engines

3/2-WAY VALVE - 81259026089 suitable for MAN D engines

Reliability for Your Next Operation Our 3/2-way valve with the comparison number 81259026089 is an essential OEM spare part that delivers optimal performance and is specifically suitable for MAN D engines. This product from the Valves category impresses with excellent functionality and durability to withstand demanding conditions. Weighing only 0.299 kg, it is both lightweight and robust.Quality and Fit Ensure Longevity In the manufacturing of our OEM spare parts, we place the greatest emphasis on precision and quality to ensure the best fit. Our internal controls ensure that each individual product meets the high standards that our customers expect from us. Only in this way can we keep their engines in optimal condition.

3/2-WAY VALVE - 81259026088 suitable for MAN D engines

3/2-WAY VALVE - 81259026088 suitable for MAN D engines

Reliable 3/2-way valve for your applicationsDiscover our 3/2-way valve, known under the comparison number 81259026088. This product belongs to the group of Valves and offers an effective solution for demanding applications. The 3/2-way valve is suitable for MAN D engines and ensures precise control in your operation. With a weight of only 0.3 kg, it is not only compact but also easy to install.OEM spare parts in verified qualityOur product, the 3/2-way valve, is offered as an OEM spare part and represents reliability in your engines. Developed for MAN D engines, it meets the high standards of the industry and will serve you in various applications. Rely on the efficiency of this component, specifically designed for demanding applications.

SOLENOID VALVE - 81259026086 suitable for MAN D engines

SOLENOID VALVE - 81259026086 suitable for MAN D engines

Discover Our Solenoid ValveExperience the solenoid valve, an essential component suitable for MAN D engines. The reference number 81259026086 represents excellent quality and reliability. Weighing only 0.43 kg, this OEM replacement part is ideal for diesel and gas engines used in marine and stationary applications.Quality of OEM Replacement PartsOur solenoid valve is an OEM replacement part that meets the highest standards of manufacturers. It has been carefully selected to ensure optimal compatibility with engines. With the reference number 81259026086, we offer you a reliable solution for your requirements in original equipment quality at attractive prices.

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SOLENOID VALVE - 81259026077 suitable for MAN D engines

SOLENOID VALVE - 81259026077 suitable for MAN D engines

Solenoid valve: Comparison number 81259026077Discover our solenoid valve with the comparison number 81259026077, specifically designed to enable optimal operation. This OEM replacement part offers you the highest quality and ensures that your engines run smoothly. Weighing only 0.2 kg, installation is straightforward, making your operations more efficient.

Sale price: €785.77Regular price:€873.08(10% saved)
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SOLENOID VALVE - 81259026074 suitable for MAN D engines

SOLENOID VALVE - 81259026074 suitable for MAN D engines

Solenoid Valve – Suitable for MAN D EnginesDiscover the solenoid valve with comparison number 81259026074, specifically designed to maximize the efficiency of your engines. This OEM replacement part is a crucial component for the smooth operation of engines that are suitable for MAN D. Weighing 0.68 kg, this product combines robustness with ease of use, ensuring optimal control of fuel or gas flow.

SOLENOID VALVE - 81259026073 suitable for MAN D engines

SOLENOID VALVE - 81259026073 suitable for MAN D engines

Solenoid valve suitable for MAN D enginesDiscover our solenoid valve, comparison number 81259026073, which is specifically designed for MAN D engines. This OEM replacement part ensures reliable functionality in your engine and maximizes efficiency. Weighing 2.23 kg, it features a compact design that allows for easy handling. Trust in the quality that only OEM replacement parts can provide.Optimal performance for your systemThe solenoid valve is classified under the category "Valves" and is ideally suited to support the performance of your engines. The product we offer is compatible with MAN D engines and helps reduce downtime. You will receive a replacement part that meets strict quality standards and delivers optimal results in your application scenario.

SOLENOID VALVE - 81259026059 suitable for MAN D engines

SOLENOID VALVE - 81259026059 suitable for MAN D engines

Solenoid Valve with Precise Fit Discover our solenoid valve, designed for MAN D engines. With the comparison number 81259026059, this OEM replacement part belongs to the category valves and ensures the highest precision. We offer exclusive OEM replacement parts that are specifically designed for the smooth operation of your engines.Efficient Performance and Functionality The solenoid valve weighs only 0.83 kg and has been developed specifically for MAN D engines. It offers outstanding performance and ensures energy efficiency and durability. At MOPA Motorparts, we make sure that you receive only the best products to maximize the efficiency of your engines.

SOLENOID VALVE - 81259026044 suitable for MAN D engines

SOLENOID VALVE - 81259026044 suitable for MAN D engines

Solenoid valve suitable for MAN D enginesDiscover our reliable solenoid valve with the comparison number 81259026044, which has been carefully designed to function optimally in engines. This product belongs to the group of valves and is characterized by its compact design and a weight of only 0.21 kg. Whether stationary or in marine applications – this solenoid valve efficiently supports your machinery.

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SOLENOID VALVE - 81259026031 suitable for MAN D engines

SOLENOID VALVE - 81259026031 suitable for MAN D engines

Solenoid valve suitable for MAN D enginesDiscover the solenoid valve with the comparison number 81259026031, specifically designed to meet the requirements of MAN D engines. This product is an essential OEM spare part that ensures an optimal fit and performance. Weighing only 0.38 kg, it impresses with its efficiency and robustness, ideal for marine and stationary applications.Quality of OEM spare partsThe solenoid valve belongs to the article group valves and is suitable for all engines from the manufacturer MAN D. By using OEM spare parts, you ensure that your engine operates smoothly even under demanding conditions. Trust in the quality and durability of our product, which provides you with excellent performance.

Sale price: €205.84Regular price:€228.71(10% saved)
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SOLENOID VALVE - 81259026030 suitable for MAN D engines

SOLENOID VALVE - 81259026030 suitable for MAN D engines

Solenoid valve compatible with MAN D enginesDiscover our solenoid valve, compatible with MAN D engines, with the comparison number 81259026030. As part of the category valves, this product impresses with precise fit and high-quality materials. Weighing 0.964 kg, this OEM spare part is ideal for your needs and offers a long service life.

SOLENOID VALVE - 81259026029 suitable for MAN D engines

SOLENOID VALVE - 81259026029 suitable for MAN D engines

Efficient Solenoid Valve for Optimal Engine PerformanceDiscover our premium solenoid valve with the comparison number 81259026029, specifically designed for a variety of applications. This OEM replacement part offers you the reliability you need, ensuring that your engines operate optimally. Weighing only 0.48 kg, the solenoid valve is lightweight and easy to install.Reliable OEM Replacement Parts for EnginesOur products are suitable for MAN D engines and meet the highest standards you expect from a manufacturer. The comparison number 81259026029 attests to the exact fit and quality you are looking for. Rely on this solution for your diesel and gas engines.

SOLENOID VALVE - 0481503018 suitable for Bosch engines

SOLENOID VALVE - 0481503018 suitable for Bosch engines

Innovative Solenoid Valve for Your ApplicationsDiscover our solenoid valve, specifically designed to meet the requirements of your applications. With the comparison number 0481503018, you will find here an OEM spare part that is compatible with engines suitable for MAN D engines. This product ensures optimal functionality and contributes to the efficiency of your machines.Reliability Through OEM Spare PartsOur OEM spare parts are distinguished by outstanding quality and longevity. The solenoid valve suitable for MAN D engines undergoes rigorous quality checks to ensure it meets high expectations. It is an essential component for all applications in the maritime and stationary sectors.

SOLENOID VALVE - 81259026028 suitable for MAN D engines

SOLENOID VALVE - 81259026028 suitable for MAN D engines

Premium Solenoid Valve for Demanding ApplicationsExperience the outstanding solenoid valve with the reference number 81259026028, a top-quality OEM spare part suitable for MAN D engines. Weighing only 0.53 kg, this product combines lightness and robustness, making it ideal for the demanding conditions in marine and stationary applications.

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SOLENOID VALVE - 81259020579 suitable for MAN D engines

SOLENOID VALVE - 81259020579 suitable for MAN D engines

Solenoid Valve for Reliable EnginesDiscover our Solenoid valve, a reliable OEM replacement part, which can be found under the comparison number 81259020579. This product is ideally suited for engines designed for MAN D. Every Solenoid valve in our range meets the highest quality standards and ensures smooth operation of your engine.

Sale price: €193.88Regular price:€215.42(10% saved)
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SOLENOID VALVE - 81259020551 suitable for MAN D engines

SOLENOID VALVE - 81259020551 suitable for MAN D engines

Precise Performance with Comparison Number 81259020551Present excellent performance with our solenoid valve, which is listed under the comparison number 81259020551. This product is an essential OEM spare part that has been specifically designed to provide reliable functionality.Reliability for MAN D EnginesOur solenoid valve is suitable for MAN D engines and offers the quality you should expect from OEM spare parts. Unlike aftermarket items, our products ensure perfect fit and durability.

Sale price: €205.84Regular price:€228.71(10% saved)
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SOLENOID VALVE - 81259020508 suitable for MAN D engines

SOLENOID VALVE - 81259020508 suitable for MAN D engines

Solenoid Valve Compatible with MAN D EnginesDiscover our solenoid valve with the comparison number 81259020508, suitable for MAN D engines. This essential product ensures reliable control of your engines and belongs to the category of valves. With specialized materials, this solenoid valve impresses with optimal performance and durability in various applications.

Sale price: €277.58Regular price:€308.43(10% saved)
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SOLENOID VALVE - 81259020495 suitable for MAN D engines

SOLENOID VALVE - 81259020495 suitable for MAN D engines

Precise Solenoid Valve Suitable for MAN D Engines Discover the solenoid valve with the comparison number 81259020495, which plays an essential role in the functionality of your MAN D engine. Weighing 0.248 kg, this OEM replacement part impresses with its high precision and reliability. It is specifically designed for use in various applications in the field of engine technology.Reliability through OEM Replacement Parts This solenoid valve is suitable for MAN D engines and meets the high standards you expect from an OEM replacement part. The quality and workmanship of this product contribute to the efficiency of your machines. With over 1 million replacement parts in our inventory, we are consistently focused on offering you only the best components.

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CONTROL VALVE - 81259020490 suitable for MAN D engines

CONTROL VALVE - 81259020490 suitable for MAN D engines

Control valve suitable for MAN D enginesDiscover our control valve, compatible with MAN D engines and listed under the comparison number 81259020490. This OEM spare part is designed for the demanding requirements in marine and stationary applications. Weighing 1.51 kg, the product features a robust construction designed for durability.Quality OEM spare parts for optimal performanceOur control valve is an OEM spare part that meets strict quality standards. As a valve in the product category engines, it plays a crucial role in the performance of your engines. Rely on the quality and functionality of this spare part, specifically developed for MAN D engines.

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SOLENOID VALVE - 81259020484 suitable for MAN D engines

SOLENOID VALVE - 81259020484 suitable for MAN D engines

Solenoid Valve Suitable for MAN D EnginesDiscover our solenoid valve with the comparison number 81259020484, specifically designed for MAN D engines. This premium product impresses with its reliable functionality, which is essential for the smooth operation of your engines. Weighing only 0.1 kg, this high-quality component provides an ideal mix of lightness and stability, ensuring excellent performance even under extreme conditions.

Sale price: €212.67Regular price:€236.30(10% saved)
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SOLENOID VALVE - 81259020472 suitable for MAN D engines

SOLENOID VALVE - 81259020472 suitable for MAN D engines

Efficient Solenoid Valve with Comparison Number 81259020472Discover our solenoid valve with the comparison number 81259020472, specifically designed to fit MAN D engines. Weighing only 1.13 kg, this product is a reliable OEM replacement part that meets the highest standards and optimizes the performance of your engines.Precision for Optimal OperationThe solenoid valve is perfectly suited for marine and stationary applications. This product ensures precise control and optimal function, making it an essential component for the operation and maintenance of engines. Trust in OEM replacement parts that stand out for their robustness and durability, providing a perfect fit.

Sale price: €913.89Regular price:€1,015.43(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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