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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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SOLENOID VALVE - 20516342 suitable for Volvo/Volvo Penta engines

SOLENOID VALVE - 20516342 suitable for Volvo/Volvo Penta engines

Compelling Product: Solenoid Valve for Technical ApplicationsDiscover the solenoid valve with the comparison number 20516342, a top-quality OEM replacement part. This product is suitable for Volvo/Volvo Penta engines and meets the highest standards. In our extensive selection, we stock various items so you can quickly find the right solutions.

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EXHAUST VALVE - 20513285 suitable for Volvo/Volvo Penta engines

EXHAUST VALVE - 20513285 suitable for Volvo/Volvo Penta engines

Efficient Product Compatible with Volvo/Volvo Penta EnginesThe exhaust valve with the reference number 20513285 is an essential OEM spare part that meets high standards for mechanical engineering. This valve ensures smooth operation in engines and optimizes efficiency in operation. Whether in marine or stationary use, this product is the reliable choice.Optimal Use for Special RequirementsThe exhaust valve is specially manufactured and compatible with Volvo/Volvo Penta engines. Weighing only 0.232 kg, the valve is easy to install and handle. Its thoughtful design meets all industry requirements and ensures that your engines are always performing at their best.

Sale price: €37.44Regular price:€41.60(10% saved)
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EXHAUST VALVE - 20482742 suitable for Volvo/Volvo Penta engines

EXHAUST VALVE - 20482742 suitable for Volvo/Volvo Penta engines

Exhaust Valve Compatible with Volvo/Volvo Penta EnginesDiscover the exhaust valve with the comparison number 20482742, designed as an OEM replacement part. This product is compatible with Volvo/Volvo Penta. It impresses with top-notch workmanship and ensures that it functions perfectly in your engines with precise dimensions, achieving optimal engine performance.Efficient Performance Through Our OEM Replacement PartThe exhaust valve is a significant component that meets high demands for efficiency and durability. The product ensures suitable exhaust flow through your engines, thereby enhancing the performance of these powerful machines. Regular replacement of the product maximizes the lifespan of your engines that are compatible with Volvo/Volvo Penta.

Sale price: €55.69Regular price:€61.88(10% saved)
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INLET VALVE - 20482741 suitable for Volvo/Volvo Penta engines

INLET VALVE - 20482741 suitable for Volvo/Volvo Penta engines

Optimal Item for Your Engine NeedsDiscover our inlet valve (comparison number: 20482741), a replacement part that ensures quality. This replacement part is suitable for engines from Volvo/Volvo Penta. The inlet valve offers excellent fit and durability, allowing your machines to operate optimally under all conditions.Inlet Valve in FocusThe inlet valve (comparison number 20482741) is not only suitable for Volvo/Volvo Penta engines, but also represents high standards in OEM quality. Weighing only 0.11 kg, it can be easily installed, helping you maximize the efficiency of your engines. Rely on our replacement part, tailored to your requirements.

Sale price: €51.52Regular price:€57.24(10% saved)
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INLET VALVE - 20463800 suitable for Volvo/Volvo Penta engines

INLET VALVE - 20463800 suitable for Volvo/Volvo Penta engines

Inlet valve suitable for Volvo/Volvo PentaDiscover our inlet valve with the comparison number 20463800, an essential OEM replacement part specifically designed for engines suitable for Volvo/Volvo Penta. This product ensures an excellent fit as well as impressive performance, ideal for use in marine and stationary applications. Weighing only 0.162 kg, it enables effortless replacement and smooth operation of your engines.

Sale price: €68.53Regular price:€76.14(10% saved)
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VALVE - 20460493 suitable for Volvo/Volvo Penta engines

VALVE - 20460493 suitable for Volvo/Volvo Penta engines

A reliable valve suitable for Volvo/Volvo Penta engines Discover the OEM replacement part valve, which with the comparison number 20460493 provides a precise solution for engine requirements in marine and stationary applications. This valve impresses with efficient performance, making it a smart choice for your business. Weighing 1.232 kg, it stands out for its durable materials and exceptional robustness.Optimal performance with OEM replacement parts This OEM replacement part helps to significantly extend the lifespan of your engines. By using tested and reliable parts, you create the ideal conditions for the smooth operation of your diesel and gas engines. Ensure that your engine operates effectively at all times.

Sale price: €810.52Regular price:€900.58(10% saved)
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VALVE - 20460042 suitable for Volvo/Volvo Penta engines

VALVE - 20460042 suitable for Volvo/Volvo Penta engines

Excellent Product: Comparison Number 20460042Discover our valve with the comparison number 20460042, a custom OEM replacement part specifically designed for engines compatible with Volvo/Volvo Penta. Its robust construction leads to reliable functionality that ensures safe operation and enables efficient use in demanding environments.

Sale price: €36.90Regular price:€41.00(10% saved)
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INLET VALVE - 20459326 suitable for Volvo/Volvo Penta engines

INLET VALVE - 20459326 suitable for Volvo/Volvo Penta engines

Quality Product: Inlet Valve Suitable for Volvo/Volvo PentaDiscover our inlet valve with the comparison number 20459326, designed for Volvo/Volvo Penta engines. With this OEM spare part, you ensure high reliability and performance optimization of your engines. The product weighs only 0.151 kg and is ideally suited for applications in marine and stationary sectors.Optimal Efficiency for EnginesThe inlet valve plays a crucial role in the airflow within the cylinders of engines. By using our OEM spare part, which is suitable for Volvo/Volvo Penta engines, you receive components with precise dimensions and the recommended material quality from the manufacturers. This not only ensures a long lifespan but also leads to a significant increase in efficiency.

Sale price: €29.25Regular price:€32.50(10% saved)
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VALVE - 20459204 suitable for Volvo/Volvo Penta engines

VALVE - 20459204 suitable for Volvo/Volvo Penta engines

Valve with Comparison Number 20459204 for Your NeedsDiscover our OEM spare part, the valve, with the comparison number 20459204. This product is suitable for Volvo/Volvo Penta engines and ensures excellent functionality. Weighing just 0.016 kg, it provides an ideal solution for your requirements in marine and stationary applications.

Sale price: €34.12Regular price:€37.91(10% saved)
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VALVE - 20450851 suitable for Volvo/Volvo Penta engines

VALVE - 20450851 suitable for Volvo/Volvo Penta engines

Precise Technology for Demanding ApplicationsDiscover our Valve with the comparison number 20450851, an outstanding OEM replacement part specifically designed for the reliable operation of suitable for Volvo/Volvo Penta engines. Weighing only 0.11 kg, it combines lightness with advanced functionality and is suitable for needs in marine and stationary applications.Optimal Performance and Familiar UsageThis OEM replacement part impresses with its precise construction that supports optimal performance during operation. Each Valve is suitable for the special requirements of the engines, which rely on quality and availability. Trust that our products play an essential role in the efficiency of your machines.

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AIR SUPPLY VALVE - 20450468 suitable for Volvo/Volvo Penta engines

AIR SUPPLY VALVE - 20450468 suitable for Volvo/Volvo Penta engines

Air Supply Valve with Comparison Number 20450468Discover the air supply valve with the comparison number 20450468, which is perfectly suited for Volvo/Volvo Penta engines. This OEM replacement part impresses with the precision and quality you need for the operation of your engine. With a weight of only 0.117 kg, it significantly contributes to the efficiency of your drive.Functions and Importance of the Air Supply ValveThe air supply valve in our offering plays a crucial role in the coolant system of your engine. This OEM replacement part is responsible for regulating the coolant flow, ensuring its efficiency and longevity. Replacement parts compatible with Volvo/Volvo Penta engines, such as the air supply valve, are essential for optimal engine performance.

Sale price: €66.69Regular price:€74.10(10% saved)
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INLET VALVE - 20450002 suitable for Volvo/Volvo Penta engines

INLET VALVE - 20450002 suitable for Volvo/Volvo Penta engines

Product Feature of the Inlet ValveDiscover the OEM spare part Inlet Valve with the comparison number 20450002, specifically designed to enhance the efficiency of your engines. This precisely manufactured component belongs to the group of Valves and is a perfect fit for Volvo/Volvo Penta engines. It represents an optimal solution to maximize the potential of your systems in marine and stationary applications.

Sale price: €67.13Regular price:€74.59(10% saved)
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EXHAUST VALVE - 20441945 suitable for Volvo/Volvo Penta engines

EXHAUST VALVE - 20441945 suitable for Volvo/Volvo Penta engines

Precision in Every Detail: Comparison Number 20441945The exhaust valve with the comparison number 20441945 is a crucial product for your Volvo/Volvo Penta engines. With its high precision, this OEM replacement part is suitable for a variety of applications and offers the durability you expect from a replacement part. With a weight of only 0.136 kg, it is easy to handle and ideal for use in demanding operating conditions.Ensuring Efficiency: Exhaust Valve in ActionThis exhaust valve ensures that engines operate optimally by assisting in the removal of exhaust gases. The product helps to improve the efficiency of your engines and enhances their performance in the long term. Trust in OEM replacement parts specifically designed to support quality and efficiency suitable for Volvo/Volvo Penta engines.

Sale price: €35.10Regular price:€39.00(10% saved)
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EXHAUST VALVE - 20441486 suitable for Volvo/Volvo Penta engines

EXHAUST VALVE - 20441486 suitable for Volvo/Volvo Penta engines

Exhaust valve compatible with Volvo/Volvo Penta enginesDiscover the quality exhaust valve (comparison number 20441486), specifically designed for your applications. The product falls under the category of valves and significantly contributes to the performance and efficiency of your engines. This component weighs only 0.171 kg and is ideally combined with your Volvo/Volvo Penta engines.OEM replacement parts for your reliabilityThe exhaust valve is an OEM replacement part manufactured to the highest standards. Comparison number 20441486 ensures that you receive a product that meets your requirements. Compatible with Volvo/Volvo Penta engines, you rely on reliable components, and this part is an important component for that.

Sale price: €35.10Regular price:€39.00(10% saved)
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VALVE - 20430101 suitable for Volvo/Volvo Penta engines

VALVE - 20430101 suitable for Volvo/Volvo Penta engines

Efficient Valve Suitable for Volvo/Volvo Penta EnginesDiscover the OEM replacement part valve with the comparison number 20430101, specifically designed for Volvo/Volvo Penta engines. This exceptionally lightweight valve weighs only 0.028 kg and is an essential component for your reliable diesel and gas engines. The quality of this product ensures seamless integration and optimal function of the engines, making it the ideal choice for professional users.Reliability Through Comparison Number 20430101At MOPA Motorparts, we adhere to the highest standards and internal controls. The OEM replacement part meets all necessary criteria suitable for engines that are directly compatible with the comparison number 20430101. This procedure assures that you receive only the excellent replacement parts specifically tailored to your needs.

Sale price: €118.45Regular price:€131.61(10% saved)
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SOLENOID VALVE - 20411199 suitable for Volvo/Volvo Penta engines

SOLENOID VALVE - 20411199 suitable for Volvo/Volvo Penta engines

Precise Product: Solenoid ValveDiscover our OEM replacement part, the solenoid valve with the comparison number 20411199. This reliable product meets the highest standards and is suitable for demanding applications in marine and stationary areas. The solenoid valve weighs 1.5 kg and ensures a long lifespan due to its robust construction.Optimal Integration into Key EnginesOur replacement part is ideally suited for engines designed for Volvo/Volvo Penta. Compared to aftermarket solutions, our product offers all the advantages of OEM replacement parts, ensuring a perfect fit and functionality. Therefore, you can trust in quality when maintaining your engines.

SAFETY VALVE - 20382305 suitable for Volvo/Volvo Penta engines

SAFETY VALVE - 20382305 suitable for Volvo/Volvo Penta engines

Innovative Safety Valve for OptimizationDiscover our safety valve, which is suitable for Volvo/Volvo Penta engines. With the comparison number 20382305, this OEM replacement part is your reliable partner for safety and efficiency in commercial applications. Rely on the functionality that this product offers and benefit from the quality that meets industry standards.Significance of Comparison Number 20382305Our comparison number 20382305 identifies this specific safety valve as a suitable part for your engines. This transparency makes selecting your replacement parts simple and efficient. Each product provides the advantages of OEM replacement parts, helping you optimize your resource usage.

PRESSURE REDUCING VALVE - 20001750210/1 suitable for MTU engines

PRESSURE REDUCING VALVE - 20001750210/1 suitable for MTU engines

Efficient Pressure Reducing Valve for MTU EnginesDiscover our pressure reducing valve, which is marked with the reference number 20001750210/1. This product is an OEM spare part specifically designed for MTU engines. The excellent quality ensures that your engines receive optimal performance and reliability.Optimal Performance for Demanding ApplicationsWith the reference number 20001750210/1, this pressure reducing valve offers outstanding compatibility with the corresponding engines. Optimal conditions for use in marine applications, stationary services, and locomotives are provided. Rely on our many years of experience with OEM spare parts!

SOLENOID VALVE - 2000066191 suitable for MTU engines

SOLENOID VALVE - 2000066191 suitable for MTU engines

Discover our solenoid valve with comparison number 2000066191 Discover our solenoid valve with the comparison number 2000066191, which plays a key role in optimizing engines as an essential OEM replacement part. This product ensures reliable functionality and increased efficiency of your machines, especially in engines suitable for demanding applications.Quality standards for OEM replacement parts Our solenoid valve, suitable for MTU engines, offers remarkable quality through the use of top-notch manufacturing standards. Compared to aftermarket alternatives, it provides the necessary robustness and precise processing standards that your machines deserve.

VALVE - 197L66701 suitable for MTU engines

VALVE - 197L66701 suitable for MTU engines

Valve with Comparison Number 197L66701Discover our product, a valve with the comparison number 197L66701, which can be found in the category of OEM spare parts. This valve is a perfect choice for your applications, especially suitable for MTU engines, ensuring efficient power transmission.

VALVE - 197F68700 suitable for MTU engines

VALVE - 197F68700 suitable for MTU engines

Valve for Reliable PerformanceDiscover our valve, comparison number 197F68700, an outstanding product specifically designed to ensure reliable performance for your engines. This OEM spare part fits perfectly for MTU engines and offers an excellent way to optimize the efficiency of your machine.Optimal Quality: Comparison Number 197F68700Our internal control ensures that the valve 197F68700 meets the highest standards. With OEM spare parts like this valve, suitable for MTU, you are opting for uncompromising quality.

VALVE - 197F66700 suitable for MTU engines

VALVE - 197F66700 suitable for MTU engines

High-Performance Valve Compatible with MTUDiscover our valve with the reference number 197F66700, an essential OEM spare part that is specifically optimized for your diesel and gas engine requirements. This spare part impresses with its high functionality, developed for extensive applications.Optimal Performance Compatible with MTU EnginesOur valve is compatible with MTU engines and offers excellent engine performance. The reference number 197F66700 ensures that you receive a product of the highest quality that perfectly meets the demands of your engines. Trust in OEM spare parts that provide reliability and longevity.

VALVE - 197F40700 suitable for MTU engines

VALVE - 197F40700 suitable for MTU engines

Valve suitable for MTU enginesThe valve with the comparison number 197F40700 is an essential OEM replacement part that is optimally tailored to the needs of your engines. These OEM replacement parts offer you quality that proves itself in demanding operations, especially in the marine industry.Robust solution suitable for long-lasting useThis product is suitable for MTU engines and is ideal for ensuring engine control. Each valve stands out due to its top-notch workmanship and is designed to meet the high demands of diesel and gas engines.

VALVE - 197F38700 suitable for MTU engines

VALVE - 197F38700 suitable for MTU engines

Optimal Performance with Outstanding ValveDiscover our valve, which is marked with the reference number 197F38700. This OEM replacement part is specifically suitable for MTU engines and ensures reliable functionality in your engine system. The product impresses with its original equipment quality and is ideal for various applications in marine or stationary environments.Versatile ApplicationsThis valve is compatible with different MTU engines and enables maximum efficiency. Quality and reliability are our top priorities for OEM replacement parts. Trust in our developed products, which are specially manufactured to meet the highest demands.

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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