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

Discount
EXHAUST VALVE - 51041010589 suitable for MAN D-engines

EXHAUST VALVE - 51041010589 suitable for MAN D-engines

Quality and Performance: Comparison Number 51041010589Discover our exhaust valve, comparison number 51041010589, suitable for MAN D engines. This product is ideal for the specific requirements of diesel and gas engines and is an essential part for your machines. The use of OEM replacement parts ensures high reliability and optimal performance.Precise Component: Suitable for MAN DOur exhaust valve, suitable for MAN D, has been developed with the utmost care. Subjected to numerous tests and quality checks, it offers excellent characteristics specifically tailored to meet the requirements. Rely on this performance to enhance the efficiency of your engines.

Sale price: €121.38Regular price:€134.86(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010588 suitable for MAN D-engines

INLET VALVE - 51041010588 suitable for MAN D-engines

Inlet valve suitable for MAN D enginesDiscover our Inlet valve that perfectly meets your requirements with the comparison number 51041010588. This OEM spare part offers you the best quality for your MAN D engines and ensures optimal engine performance.Comparison number 51041010588 for a secure productThe comparison number 51041010588 allows for a clear identification of our product. It is suitable for MAN D engines and ensures that you receive a reliable OEM spare part that meets the demands of your machines.

Sale price: €122.29Regular price:€135.88(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010586 suitable for MAN D engines

INLET VALVE - 51041010586 suitable for MAN D engines

Inlet valve suitable for MAN D enginesThe product inlet valve with the comparison number 51041010586 is an essential component for the efficient performance of your MAN D engines. This spare part has been specifically developed and meets the high standards of the industry. With precise dimensions of 15.8 cm in length and width, and a height of 4.4 cm, it offers ideal integration into the overall engine system. The weight of 0.142 kg also ensures easy handling.

Sale price: €192.56Regular price:€213.95(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
EXHAUST VALVE - 51041010582 suitable for MAN D-engines

EXHAUST VALVE - 51041010582 suitable for MAN D-engines

Discover the Exhaust Valve: Comparison Number 51041010582 Discover the Exhaust Valve with the comparison number 51041010582. This OEM spare part is essential for the smooth and efficient operation of your engines. It has been specifically designed to meet requirements in the best possible way.Powerful: Fits MAN D Engines This product is suitable for MAN D engines. Your new Exhaust Valve enhances the performance of the engine while increasing efficiency. Be convinced by this authentic quality that is important for long-term use.

EXHAUST VALVE - 51041010580 suitable for MAN D-engines

EXHAUST VALVE - 51041010580 suitable for MAN D-engines

Reliable Exhaust Valve for EnginesDiscover the exhaust valve with the comparison number 51041010580, a recommended OEM spare part that provides top performance. The product is suitable as a replacement part for MAN D engines and contributes to the efficiency of your machines.Advantage: Quality Spare Parts for LongevityThe comparison number 51041010580 emphasizes the quality of this exhaust valve. By using premium OEM spare parts, you utilize the full potential of your engines and reduce downtime.

INLET VALVE - 51041010579 suitable for MAN D-engines

INLET VALVE - 51041010579 suitable for MAN D-engines

Inlet valve with comparison number 51041010579 Present your engine business with the premium inlet valve identified by the comparison number 51041010579. This OEM replacement part is an essential component for reliable engine performance. For those who appreciate quality, our products ensure that your diesel engine runs efficiently.Efficient component suitable for MAN D engines Optimally tailored to MAN D engines, this inlet valve offers a part that meets high industry standards. Rely on our OEM replacement parts that have been specifically developed to maximize the lifespan and efficiency of your engines.

Discount
INLET VALVE - 51041010575 suitable for MAN D-engines

INLET VALVE - 51041010575 suitable for MAN D-engines

Powerful Inlet ValveDiscover our inlet valve, an OEM spare part, suitable for MAN D engines. With the comparison number 51041010575, this product offers precise functionality and durability. Rely on the top quality of OEM spare parts designed for efficiency.Versatility and ReliabilityThe inlet valve with the comparison number 51041010575 is an essential component for engines that demand performance and durability. This spare part is specifically suitable for MAN D engines, ensuring smooth operation in challenging environments.

Sale price: €79.85Regular price:€88.73(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010574 suitable for MAN D-engines

INLET VALVE - 51041010574 suitable for MAN D-engines

Optimal Inlet Valve: Comparison Number 51041010574The inlet valve with the comparison number 51041010574 is an essential component for optimizing the performance of your suitable for MAN D engines. This product is precisely engineered and meets the highest standards for reliable function and longevity. Weighing in at 0.12 kg, the inlet valve is an effective solution for demanding applications.Quality for Engines: OEM Replacement PartsThe inlet valve with the comparison number 51041010574 represents the premium quality you expect from OEM replacement parts. By using our product, you optimize the combustion efficiency of the engines, which effectively supports your operational conditions.

Sale price: €79.85Regular price:€88.73(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
INLET VALVE - 51041010561 suitable for MAN D-engines

INLET VALVE - 51041010561 suitable for MAN D-engines

Components for Precise Applications Discover the inlet valve, comparison number 51041010561, at MOPA Motorparts. This high-quality OEM replacement part ensures excellent fit and performance in engines suitable for MAN D engines. Thanks to strict internal controls, our products meet the high demands of your operation.

Discount
EXHAUST VALVE - 51041010559 suitable for MAN D-engines

EXHAUST VALVE - 51041010559 suitable for MAN D-engines

Discover Exhaust Valve with Comparison Number 51041010559Discover the Exhaust Valve with the comparison number 51041010559, which has been perfected as an OEM spare part. It is suitable for MAN D engines and ensures optimal functionality and efficiency in application. Every product we offer is based on our many years of experience with marine and stationary engines.

Sale price: €101.30Regular price:€112.55(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
EXHAUST VALVE - 51041010555 suitable for MAN D-engines

EXHAUST VALVE - 51041010555 suitable for MAN D-engines

Exhaust Valve – Comparison Number 51041010555Discover our exhaust valve with the comparison number 51041010555, optimized for MAN D engines. This product offers precision and efficiency and has been specifically developed for marine and stationary use. As an OEM replacement part, it impresses with top-notch workmanship and is ideally suited for demanding applications in relevant industries.

Sale price: €121.38Regular price:€134.86(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
EXHAUST VALVE - 51041010552 suitable for MAN D-engines

EXHAUST VALVE - 51041010552 suitable for MAN D-engines

Robust Exhaust Valve – Comparison Number 51041010552Discover the reliable exhaust valve with the comparison number 51041010552, which ensures excellent performance in your engine. This competent OEM spare part weighs 0.13 kg, making it ideal for various applications. With this product, you will significantly optimize the operational processes of your machines.Efficiency and Functionality for MAN D EnginesThe design of this exhaust valve ensures that it is suitable for MAN D engines to achieve maximum efficiency. Good valves are essential for effectively directing exhaust gases and improving the operation of your engine. Rely on our expertise in providing top-quality OEM spare parts that meet the requirements of your applications.

EXHAUST VALVE - 51041010549 suitable for MAN D-engines

EXHAUST VALVE - 51041010549 suitable for MAN D-engines

Exhaust Valve - Comparison Number 51041010549Discover our exhaust valve with the comparison number 51041010549, which provides precise specifications for your MAN D engines. This special OEM spare part is characterized by the highest precision, ensuring that your engines operate optimally. Weighing only 0.15 kg, it impresses not only with its lightness but also with its effectiveness in marine and stationary applications.Efficiency for Technical ApplicationsThe exhaust valve is a top-tier product, specifically designed for MAN D engines. Our OEM spare parts are known for significantly enhancing the efficiency and performance of engines. Thanks to strict quality controls during manufacturing, this product offers durability and characteristics that you can rely on.

Discount
EXHAUST VALVE - 51041010548 suitable for MAN D-engines

EXHAUST VALVE - 51041010548 suitable for MAN D-engines

Exhaust valve with comparison number 51041010548Discover our exhaust valve with the comparison number 51041010548, designed for modern engine applications. As an OEM replacement part, it offers top performance and efficiency and is compatible with MAN D engines. With a weight of only 0.16 kg, this product is tailored to the requirements of diesel engines and gas engines.

Sale price: €113.16Regular price:€125.74(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010547 suitable for MAN D-engines

INLET VALVE - 51041010547 suitable for MAN D-engines

Precision Inlet Valve – Comparison Number 51041010547 Discover our inlet valve suitable for MAN D engines, a compelling OEM spare part with comparison number 51041010547. This product has been specifically designed for diesel and gas engines in marine and stationary applications. Weighing only 0.2 kg, it combines durability and functionality.

Sale price: €107.69Regular price:€119.65(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
EXHAUST VALVE - 51041010546 suitable for MAN D-engines

EXHAUST VALVE - 51041010546 suitable for MAN D-engines

Exhaust Valve for MAN D EnginesDiscover our quality-approved Exhaust Valve, marked with the comparison number 51041010546. This replacement part meets your requirements to reliably support the performance of your MAN D Engines. It weighs just 0.13 kg and combines technical efficiency and stability, making it an excellent choice for diesel and gas-powered engines.

Sale price: €93.09Regular price:€103.43(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
INLET VALVE - 51041010545 suitable for MAN D-engines

INLET VALVE - 51041010545 suitable for MAN D-engines

Inlet Valve for Efficient Engine PerformanceDiscover our top-quality inlet valve, comparison number 51041010545, which is designed for MAN D engines. As part of our valves product group, this replacement part impresses with excellent quality and durability, so you can rely on every detail. Weighing only 0.119 kg, this OEM replacement part is not only lightweight but also robust for various requirements.Central Role in Engine OperationThe inlet valve plays an important role in engines by supplying fresh air essential for the combustion process. Our OEM replacement parts are ideally suited for MAN D engines. Trust our thoughtfully designed products that stand for maximum efficiency.

Discount
EXHAUST VALVE - 51041010538 suitable for MAN D-engines

EXHAUST VALVE - 51041010538 suitable for MAN D-engines

Exhaust Valve: Your Comparison Number 51041010538The exhaust valve, with the comparison number 51041010538, is an essential OEM spare part that ensures optimal functioning of your engines. It combines precision and quality that you can expect from OEM spare parts, ensuring that your machines operate efficiently at all times.Unrestricted Compatibility: Suitable for MAN D EnginesThis product is suitable for MAN D engines and perfectly designed for use in various applications. Weighing 0.8 kg, the exhaust valve represents robustness and reliability. Invest in this high-quality machine part to optimize the performance of your engines and minimize costly failures.

Sale price: €63.88Regular price:€70.98(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010537 suitable for MAN D-engines

INLET VALVE - 51041010537 suitable for MAN D-engines

Super Product: Inlet valve suitable for MAN D (Comparative number: 51041010537)The inlet valve is an essential OEM spare part designed for MAN D engines, providing excellent fit. With the comparative number 51041010537, we ensure that this product harmonizes optimally with your engine and elevates efficiency to a new level. The expert craftsmanship ensures that you can always rely on our spare parts.

Sale price: €42.44Regular price:€47.15(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
EXHAUST VALVE - 51041010533 suitable for MAN D-engines

EXHAUST VALVE - 51041010533 suitable for MAN D-engines

Reliable Exhaust Valve for Your ApplicationsDiscover our reliable Exhaust Valve, which belongs to the part number 51041010533 and is specifically designed to meet your requirements. This OEM spare part offers optimal performance and ensures smooth exhaust flow in your MAN D engines. Weighing only 0.148 kg and with compact dimensions of 15.5 cm x 15.5 cm x 4.1 cm, it is ideal for critical applications in marine and stationary use.

Sale price: €109.40Regular price:€121.55(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010531 suitable for MAN D-engines

INLET VALVE - 51041010531 suitable for MAN D-engines

Inlet valve with comparison number 51041010531The product with the comparison number 51041010531 is an inlet valve specifically designed to optimize engine performance. Weighing only 0.14 kg, it is a crucial OEM spare part that provides efficiency and reliability for various applications.Suitable for MAN D enginesThis inlet valve is suitable for MAN D engines and combines precision and durability. Quality is our top priority. We focus on products that ensure nearly optimal functionality due to their excellent construction.

Sale price: €105.30Regular price:€117.00(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
EXHAUST VALVE - 51041010524 suitable for MAN D engines

EXHAUST VALVE - 51041010524 suitable for MAN D engines

EXHAUST VALVE with the comparison number 51041010524 suitable for MAN D engines

Sale price: €106.77Regular price:€118.64(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
INLET VALVE - 51041010523 suitable for MAN D engines

INLET VALVE - 51041010523 suitable for MAN D engines

INLET VALVE with the comparison number 51041010523 suitable for MAN D engines

Sale price: €100.39Regular price:€111.54(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
EXHAUST VALVE - 51041010520 suitable for MAN D-engines

EXHAUST VALVE - 51041010520 suitable for MAN D-engines

Exhaust valve suitable for MAN D enginesDiscover our reliable exhaust valve, distinguished by the comparison number 51041010520. This product is designed as an OEM replacement part and meets the highest standards for engines in marine and stationary applications. Suitable for MAN D engines, it ensures the optimal implementation of technical specifications.Product details for your requirementsWeighing only 0.15 kg, our exhaust valve significantly simplifies assembly and handling. This OEM replacement part is not only lightweight but also very robust, making it the ideal choice. Proven original equipment quality is our priority, reflected in the long-term performance of our products.

Sale price: €127.76Regular price:€141.96(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.