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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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VALVE - 000N33074 suitable for MTU engines

VALVE - 000N33074 suitable for MTU engines

Top Quality Valve Suitable for MTU EnginesDiscover our top-quality valve with the comparison number 000N33074. This OEM replacement part is perfect for demanding applications and ensures reliable performance in your MTU engines. With this product, you acquire a component that meets the highest standards and enhances the efficiency of your engines.

Sale price: €2,491.67Regular price:€2,768.52(10% saved)
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PRESSURE CONTROL VALVE - 000N05525 suitable for MTU engines

PRESSURE CONTROL VALVE - 000N05525 suitable for MTU engines

Pressure Control Valve 000N05525 – Reliable Spare PartDiscover our product – the pressure control valve with the comparison number 000N05525, which offers you reliable performance. This OEM spare part is ideally suited for demanding applications in MTU engines and ensures optimal function with minimal maintenance effort.

Sale price: €724.85Regular price:€805.39(10% saved)
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PRESSURE CONTROL VALVE - 000N05210 suitable for MTU engines

PRESSURE CONTROL VALVE - 000N05210 suitable for MTU engines

PRESSURE CONTROL VALVE with the comparison number 000N05210 suitable for MTU engines

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VALVE - 000N05109 suitable for MTU engines

VALVE - 000N05109 suitable for MTU engines

Precise Valve with Comparison Number 000N05109Discover the Valve with the comparison number 000N05109, an essential product for your applications. This OEM replacement part represents the highest precision and is specifically designed for your requirements in marine and stationary technology. Rely on the quality and reliability that this key component offers you.

Sale price: €321.75Regular price:€357.50(10% saved)
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PRESS REGULATE VALVE - 0004311888 suitable for MTU engines

PRESS REGULATE VALVE - 0004311888 suitable for MTU engines

Optimal Performance with the Press Regulate ValveDiscover the reliable Press Regulate Valve (comparison number: 0004311888), which ensures efficient pressure regulation in engines. This product belongs to the group of Valves and provides the ideal conditions to operate your engines suitable for MTU at the highest level. The spare part weighs 0.54 kg and has been designed to ensure optimal performance and longevity.OEM Spare Parts for High StandardsOur Press Regulate Valve is an OEM spare part that meets the highest standards. As a product suitable for MTU engines, it ensures that your engine operates efficiently and reliably. Trust the expertise of MOPA Motorparts, which has over 25 years of experience in the distribution of OEM spare parts, and know that you are making the right choice with this product.

Sale price: €1,912.03Regular price:€2,124.47(10% saved)
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PRESS REGULATE VALVE - 0003041533 suitable for MTU engines

PRESS REGULATE VALVE - 0003041533 suitable for MTU engines

Precise Press Regulate Valve for Your NeedsDiscover our Press Regulate Valve, which stands out as an OEM replacement part with the comparison number 0003041533. This product has been specifically designed to optimize pressure and efficiency in engines. Weighing 0.54 kg, it is the ideal choice for the demanding requirements in marine and stationary applications.Suitable for MTU EnginesOur Press Regulate Valve is suitable for MTU engines and offers excellent performance efficiency. Rely on our over 25 years of experience in providing quality replacement parts to ensure that your engines always operate efficiently and reliably.

Sale price: €1,912.03Regular price:€2,124.47(10% saved)
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VALVE - 0001840532 suitable for MTU engines

VALVE - 0001840532 suitable for MTU engines

Valve suitable for MTU enginesDiscover our premium valve, comparison number 0001840532, designed for MTU engines. This OEM replacement part offers the highest precision and quality to enhance the performance of your engines. Rely on our years of expertise in supplying replacement parts for marine and stationary applications.

Sale price: €37.87Regular price:€42.08(10% saved)
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3/2-WAY SOLENOID VALVE - 0001703016 suitable for MTU engines

3/2-WAY SOLENOID VALVE - 0001703016 suitable for MTU engines

3/2-WAY SOLENOID VALVE with the comparison number 0001703016 suitable for MTU engines

Sale price: €3,778.27Regular price:€4,198.08(10% saved)
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3/2-WAY SOLENOID VALVE - 0001702716 suitable for MTU engines

3/2-WAY SOLENOID VALVE - 0001702716 suitable for MTU engines

Efficient 3/2-Way Solenoid Valve for Your NeedsDiscover our 3/2-way solenoid valve (comparison number: 0001702716), an essential product for your MTU engines. This spare part ensures reliable control of fluid flow and optimizes the performance of your engines.

Sale price: €3,778.27Regular price:€4,198.08(10% saved)
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THREE-WAY VALVE - 81620930 suitable for MWM & Deutz engines

THREE-WAY VALVE - 81620930 suitable for MWM & Deutz engines

Optimal Solutions for Your EnginesDiscover our powerful three-way valve, which excellently meets the requirements of being suitable for MWM & Deutz engines. With the comparison number 81620930, this OEM replacement part is a top choice for anyone prioritizing quality. It supports the efficiency of the engines by reliably controlling essential functions.Sturdy Design for Highest DemandsThis three-way valve is suitable for MWM & Deutz and offers the highest durability thanks to its robust design. Weighing 93 kg, the product is perfect for use in demanding applications, whether in marine or stationary environments. Count on our OEM replacement parts, specifically developed to meet the needs of your engines.

Sale price: €3,205.80Regular price:€3,562.00(10% saved)
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INLET VALVE - 622804603014 suitable for MWM & Deutz engines

INLET VALVE - 622804603014 suitable for MWM & Deutz engines

Optimal OEM Replacement Part for Your EnginesDiscover our reliable product, the inlet valve (comparison number: 622804603014), an essential component that optimizes the performance of your engines. This OEM replacement part boasts excellent quality and ensures efficient air supply. Weighing only 0.122 kg, it is lightweight yet durable – perfect for the daily demands of industry.

Sale price: €29.84Regular price:€33.15(10% saved)
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INLET VALVE - 622604603014 suitable for MWM & Deutz engines

INLET VALVE - 622604603014 suitable for MWM & Deutz engines

Inlet valve suitable for Deutz enginesDiscover our inlet valve (comparison number: 622604603014), an essential OEM spare part specifically designed to optimize the performance of your engines. This product is suitable for Deutz engines and provides you with the reliability you need to operate your machines efficiently and dependably. Weighing only 0.122 kg, it is both lightweight and extremely practical to handle.

Sale price: €29.84Regular price:€33.15(10% saved)
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SOLENOID VALVE - 12520671 suitable for MWM & Deutz engines

SOLENOID VALVE - 12520671 suitable for MWM & Deutz engines

Solenoid valve with reference number 12520671Experience the solenoid valve with reference number 12520671, a top-quality OEM spare part specifically designed for engines compatible with MWM & Deutz. This product impresses with precise engineering and ensures optimal performance of your engines in various applications, both in maritime and stationary environments.Quality for engines compatible with MWM & DeutzThe product you are purchasing is a solenoid valve suitable for MWM & Deutz engines and meets the highest standards. Weighing 1.45 kg, this OEM spare part offers a balanced mix of robustness and functionality. Each component is crafted from carefully selected materials to ensure the durability and reliability you expect from an OEM spare part.

Sale price: €600.58Regular price:€667.32(10% saved)
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SHUT-OFF VALVE - 12431320_EINZELTEIL suitable for MWM & Deutz engines

SHUT-OFF VALVE - 12431320_EINZELTEIL suitable for MWM & Deutz engines

Shut-off valve with comparison number 12431320_SINGLE PARTDiscover our Shut-off valve (comparison number: 12431320_SINGLE PART), an essential OEM spare part suitable for MWM & Deutz engines. This product offers the highest precision and ensures reliable operation of your diesel or gas engine.OEM spare parts for robust enginesThis OEM spare part has been specifically developed for models compatible with MWM & Deutz and meets high-quality standards. Rely on spare parts in original equipment manufacturer quality offered at competitive prices.

SOLENOID VALVE - 12402344 suitable for MWM & Deutz engines

SOLENOID VALVE - 12402344 suitable for MWM & Deutz engines

Reliable Solenoid Valve for Your EnginesDiscover our reliable solenoid valve, marked with the reference number 12402344. This product is an OEM replacement part specifically designed to fit perfectly in MWM & Deutz engines. Our replacement parts offer high performance and durability for your applications.

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EXHAUST VALVE - 12372446 suitable for MWM & Deutz engines

EXHAUST VALVE - 12372446 suitable for MWM & Deutz engines

Exhaust valve for MWM & Deutz engines The exhaust valve with the comparison number 12372446 is an essential product that is perfectly suitable for MWM & Deutz engines. This OEM spare part ensures excellent performance and longevity in demanding applications that require precise and reliable engine function. Weighing 0.26 kg, it is designed for efficiency and durability to meet the needs in marine and stationary use.Quality through OEM spare parts The comparison number 12372446 identifies our exhaust valve, which comes as an OEM spare part directly from the manufacturer. This not only ensures accuracy but also the best performance compared to aftermarket parts. Our products are designed to maximize the efficiency of your engines and extend their lifespan. Rely on quality products for optimal results.

Sale price: €94.02Regular price:€104.47(10% saved)
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INLET VALVE - 12372445 suitable for MWM & Deutz engines

INLET VALVE - 12372445 suitable for MWM & Deutz engines

Reliable Inlet Valve – Comparison Number 12372445Discover our inlet valve with comparison number 12372445. This precisely manufactured product belongs to the category of valves and is specially designed for applications in marine and stationary engine technology. The inlet valve is suitable for MWM & Deutz engines and is distinguished by its excellent fit for the series 620 GAS and the engine types TBG620-V16K.Quality for MWM & Deutz EnginesWith a weight of only 0.312 kg, our OEM replacement part offers reliable performance. By using OEM replacement parts, you can rely on the stated quality. This ensures that your MWM & Deutz engines operate efficiently and meet the high demands of your applications.

Sale price: €84.24Regular price:€93.60(10% saved)
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SOLENOID VALVE - 12218467 suitable for MWM & Deutz engines

SOLENOID VALVE - 12218467 suitable for MWM & Deutz engines

High-Quality Solenoid Valve for Demanding Applications Discover our solenoid valve, equipped with the reference number 12218467, which is ideal for the functionality of suitable for MWM & Deutz engines. This OEM spare part offers you the security and reliability you need for the smooth operation of your machines. Weighing 12 kg, the product is robust and designed for various operating conditions.Optimum for MWM & Deutz Engines The solenoid valve has been specifically developed to be suitable for MWM & Deutz engines. As part of our OEM spare parts, this product delivers the quality necessary for efficient use. Each product in our range is designed to significantly enhance your engine's efficiency and extend the lifespan of the entire machine.

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STARTING AIR VALVE recondit. - 12185700RECON suitable for MWM & Deutz engines

STARTING AIR VALVE recondit. - 12185700RECON suitable for MWM & Deutz engines

Starting air valve 12185700RECON: Your Reliable ProductDiscover our starting air valve reconditioned with the comparison number 12185700RECON. This product belongs to the category of Valves and is specifically designed to optimize the performance of engines. With a weight of 5.9 kg, it offers stability and robustness in demanding environments.

Sale price: €1,731.60Regular price:€1,924.00(10% saved)
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EXHAUST VALVE - 622604603024 suitable for MWM & Deutz engines

EXHAUST VALVE - 622604603024 suitable for MWM & Deutz engines

Exhaust valve with reference number 622604603024Discover the exhaust valve that has been specifically designed for the requirements of engines. The reference number 622604603024 identifies this OEM replacement part, which ensures excellent performance for machines. It ensures that exhaust gases effectively escape from the engine, which is crucial for the functionality of engines that regularly operate under pressure.

Sale price: €10.53Regular price:€11.70(10% saved)
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PRESSURE CONTROL VALVE - 606908740242 suitable for MWM & Deutz engines

PRESSURE CONTROL VALVE - 606908740242 suitable for MWM & Deutz engines

Pressure Control Valve suitable for Deutz Engines - Essential ComponentDiscover our pressure control valve with the comparison number 606908740242, an indispensable product for engine professionals. This OEM spare part is suitable for Deutz engines of series 484 and 501 as well as for the engine types D484, TBD484-6, TBD501-6E, and TBRHS345. At MOPA Motorparts, we focus on quality and durability – characteristics that are crucial in marine and stationary applications.Precise Workmanship for Optimal FunctionalityThe pressure control valve impresses with exact dimensions. Weighing 0.421 kg and measuring 5.3 cm in length and width and 3.3 cm in height, it is optimally sized for use in various engine systems. Each OEM spare part we offer ensures a perfect fit and functionality, allowing you to achieve smooth performance in your engines.

Sale price: €2,164.50Regular price:€2,405.00(10% saved)
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PRESSURE CONTROL VALVE - 606908740240 suitable for MWM & Deutz engines

PRESSURE CONTROL VALVE - 606908740240 suitable for MWM & Deutz engines

Pressure Control Valve for Deutz Engines in DetailDiscover our premium pressure control valve, listed under the comparison number 606908740240. This product is specially designed for use in various applications and plays a crucial role in the performance of your machinery. The pressure control valve is an essential component used in both marine and stationary applications.Compatibility for Deutz EnginesOur pressure control valve is compatible with Deutz engines from the series 484, 501, and 345. This OEM replacement part ensures efficient pressure regulation and optimizes the functionality of the engines. The quality of our product meets the highest standards and ensures a long service life in your applications. Rely on products specifically developed for the requirements of Deutz engines.

Sale price: €2,164.50Regular price:€2,405.00(10% saved)
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PRESSURE CONTROL VALVE - 606908740236 suitable for MWM & Deutz engines

PRESSURE CONTROL VALVE - 606908740236 suitable for MWM & Deutz engines

Premium Pressure Control Valve Compatible with Reliable EnginesDiscover our top-quality pressure control valve with the comparison number 606908740236, specifically designed for the Deutz engine series 484, 501, and 345. This OEM replacement part ensures the highest precision and functionality for your technical systems. With this quality, you can rely on the performance of your engines, whether in marine applications or stationary use.

Sale price: €2,164.50Regular price:€2,405.00(10% saved)
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PRESSURE CONTROL VALVE - 606908740229 suitable for MWM & Deutz engines

PRESSURE CONTROL VALVE - 606908740229 suitable for MWM & Deutz engines

Pressure Control Valve Suitable for Deutz EnginesThe pressure control valve with the comparison number 606908740229 is an essential OEM spare part specifically designed for use in Deutz engines. This product is compatible with series 484, 501, and 345, including the specific engine types D484, TBD484-6, TBD501-6E, and TBRHS345. Quality and reliability are paramount, especially when it comes to engines operating in demanding environments.

Sale price: €2,164.50Regular price:€2,405.00(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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