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.
Choose from following:
PRESSURE RELIEF VALVE - 81521016295 suitable for MAN D engines
Pressure Relief Valve for MAN D EnginesDiscover our pressure relief valve (comparison number: 81521016295), specifically designed for MAN D engines. This replacement part belongs to the category of valves and is intended for use in diesel and gas engines in marine as well as stationary applications. Weighing only 0.37 kg, our product offers both efficiency and reliable performance.Replacement Parts for High DemandsThe pressure relief valve meets the strict quality standards of an Original Equipment Manufacturer (OEM). A precise fit and high-quality materials ensure that the product functions optimally. This ensures that engines operate powerfully and efficiently, which is crucial in demanding applications. Rely on the reliability of our OEM replacement parts.
VALVE - 81521016271 suitable for MAN D engines
First-Class Valve for EnginesDiscover the first-class product with the comparison number 81521016271 – a valve specifically designed to optimize the performance of your engines. This OEM replacement part offers the quality you can expect from a reliable provider. Weighing only 0.08 kg, the valve is easy to install and ensures smooth operation.
PRESSURE REDUCING VALVE - 81521016251 suitable for MAN D engines
Reliable Pressure Reducing Valve Suitable for MAN DOptimize your engine's performance with our pressure reducing valve, whose comparison number is 81521016251. This product is specifically designed to ensure reliable function in various applications. The pressure reducing valve weighs only 0.52 kg and provides precise pressure regulation in your system.
PRESSURE REDUCING VALVE - 81521016248 suitable for MAN D engines
Pressure Reducing Valve: Your Reliable OEM Replacement PartDiscover the pressure reducing valve with the comparison number 81521016248. This product belongs to the category of valves and is perfectly suited for engines under extreme conditions. Weighing only 0.36 kg, it optimizes the performance of your engines and ensures efficient operation.Optimal Performance for MAN D EnginesThis pressure reducing valve is specifically designed for MAN D engines. OEM replacement parts like this offer superior quality and durability. You can be confident that this OEM replacement part meets all requirements to keep your engines in top condition.
PRESSURE REDUCING VALVE - 81521016222 suitable for MAN D engines
Pressure Reducing Valve – Your Solution for Efficient EnginesThe pressure reducing valve with the comparison number 81521016222 is an essential OEM spare part designed for MAN D engines. It ensures precise pressure regulation and belongs to the category of valves. Weighing only 0.34 kg, it impresses with its lightness and durability, making it ideal for demanding applications in the industry.Quality of OEM Spare PartsOur OEM spare parts, such as the pressure reducing valve, are characterized by high reliability and longevity. Compared to aftermarket products, they come directly from the manufacturer, ensuring that you receive products you can trust. Choose our spare parts to optimize the performance and efficiency of your engines.
PRESSURE REDUCING VALVE - 81521016221 suitable for MAN D engines
First-Class Pressure Reducing Valve for Your ApplicationsDiscover our comprehensive pressure reducing valve, comparison number 81521016221, specifically designed for MAN D engines. Weighing only 0.33 kg, this product impresses in the category of valves used in diesel and gas engines. Spare parts like this are essential to ensure the proper functioning and longevity of the machinery.Trust in OEM Spare PartsOur pressure reducing valve is an OEM spare part that offers the highest precision and quality. Compared to aftermarket solutions, our product stands out with superior adaptability and functionality. Rely on the authenticity you expect from an OEM spare part to operate your engines efficiently and reliably.
PRESSURE REDUCING VALVE - 81521016220 suitable for MAN D engines
Pressure Reducing Valve: Your Reliable Spare PartDiscover the pressure reducing valve with the comparison number 81521016220, which is ideal as an OEM spare part for your applications. This product is specifically designed for MAN D engines and ensures optimal performance as well as a perfect fit. Weighing only 0.33 kg, it is easy to install and simplifies the operation of your engines.Efficient Performance for MAN D EnginesThe pressure reducing valve plays a central role in regulating pressure and supports engines suitable for MAN D. By using high-quality materials and precise manufacturing, our OEM spare parts achieve high efficiency, which is crucial for the reliable operation of your marine and stationary engines.
VALVE - 81521016217 suitable for MAN D engines
Optimal Use for Various EnginesThe valve with the comparison number 81521016217 is an essential OEM replacement part specifically developed to maximize the efficiency of your applications in marine and stationary use, as well as for locomotives. Weighing only 0.04 kg, this product offers an ideal fit.
VALVE - 81521016210 suitable for MAN D engines
Premium Valve with Comparison Number 81521016210Discover our valve with the comparison number 81521016210, specifically designed to meet the requirements of your engines. This product is perfectly suitable for use in demanding environments characterized by MAN D engines, ensuring excellent performance.Precise Fit for MAN D EnginesOur valve is an OEM replacement part that can be seamlessly integrated into your machine. It is compatible with MAN D engines, providing optimal functionality. Weighing 0.72 kg, our product offers the necessary stability and reliability you need for your engines.
CONTROL VALVE - 81521016209 suitable for MAN D engines
Control valve with comparison number 81521016209Discover our control valve with the comparison number 81521016209. This spare part belongs to the article group of valves and is compatible with MAN D engines. The product weighs only 0.35 kg and impresses with its durability and reliability, which are essential in marine and stationary applications.Reliable OEM spare partsAs a second-generation family business, we offer exclusively OEM spare parts. Our items are compatible with a variety of manufacturers, including MWM, Mercedes-Benz, Deutz, MAN, Volvo, MTU, Bosch, and Detroit Diesel. This ensures that you receive the best quality for your engines and maximize their performance.
TWO-CIRCUIT PROTECTION VALVE - 81521016107 suitable for MAN D engines
Two-circuit protection valve: Reliability in Every ApplicationDiscover the premium two-circuit protection valve with the comparison number 81521016107. This product is essential for the reliable operation of machines and provides excellent protection in demanding applications. The two-circuit protection valve weighs 0.775 kg and ensures outstanding stability wherever it is used.
PRESSURE REDUCING VALVE - 81521016029 suitable for MAN D engines
High-Quality Product: Pressure Reducing ValveDiscover our pressure reducing valve, suitable for MAN D engines. This premium product carries the comparison number 81521016029 and is part of the valves category. Weighing 1.111 kg, it provides the necessary stability and long-term use for your engines.OEM Spare Part for Highest DemandsOur pressure reducing valve is an OEM spare part that comes from the manufacturer. This ensures that all requirements for your application are met. By using OEM spare parts, you ensure the optimal performance of your engines compared to aftermarket products that may not offer the same quality.
TWO-CIRCUIT PROTECTION VALVE - 81521016017 suitable for MAN D engines
Two-circuit protection valve for MAN D enginesDiscover our two-circuit protection valve, comparison number 81521016017. This product is suitable for MAN D engines and impresses with its high safety functionality. As part of the product category valves, this OEM replacement part provides you with a trusted solution for your engines that has proven itself.
SHUT-OFF VALVE - 81512306012 suitable for MAN D engines
Shut-off valve with comparison number 81512306012Discover our shut-off valve with the comparison number 81512306012, which has been specifically designed to seamlessly integrate into applications with MAN D engines. This product, an OEM spare part, offers the ideal solution for all requirements in marine and stationary technology. Weighing only 0.13 kg, it combines lightness and robustness.Efficient solution for MAN D enginesOur shut-off valve is suitable for MAN D engines and provides maximum efficiency. Each OEM spare part is manufactured under strict quality controls to ensure that your engines receive the reliability they deserve. Powerful and durable, our product is designed to withstand the demanding conditions in engine technology.
CHECK VALVE - 81504656005 suitable for MAN D engines
Shut-off valve suitable for MAN D enginesDiscover our Shut-off valve (comparison number: 81504656005), a suitable OEM spare part that is ideal for your MAN D engines. With its excellent manufacturing quality, this product offers maximum reliability in demanding applications. The Shut-off valve weighs just 0.28 kg and is lightweight while ensuring optimal performance.Reliable OEM spare parts for enginesThe Shut-off valve is a suitable OEM spare part that meets the strict standards of the original equipment manufacturers. The comparison number 81504656005 ensures that you receive a product that fits perfectly with your MAN D engines and extends their lifespan. Rest assured that we offer only top-quality spare parts for engines.
CHECK VALVE - 0481060003 suitable for Bosch engines
Efficient Shut-off Valve for High PerformanceDiscover our shut-off valve, reference number 0481060003. This product is an essential OEM spare part designed specifically for MAN D engines. Weighing only 0.28 kg, it combines lightness and robustness to optimally enhance the efficiency of your machines. The shut-off valve ensures reliable control of the fuel flow, thereby contributing to the performance enhancement of your engines.
BREATHER VALVE - 81504060023 suitable for MAN D engines
First-Class Breather Valve for EnginesDiscover our first-class breather valve, comparison number 81504060023, specially designed to meet your engine requirements. This OEM replacement part is an essential component, suitable for MAN D engines, and ensures reliable performance in various applications. Weighing only 0.02 kg, it impresses with its ease of handling and installation.Quality through OEM Replacement PartsOur breather valve, comparison number 81504060023, is a high-quality OEM replacement part that meets high standards. This product is directly compatible with MAN D engines, meaning you can rely on a tailored fit and function. Trust our years of experience and expertise in the industry to optimize the performance of your engines.
BREATHER VALVE - 81504060017 suitable for MAN D engines
Precision Breather Valve with Comparison Number 81504060017Discover our breather valve with the comparison number 81504060017, which is ideally suited for your applications in diesel and gas engines. This product belongs to the category of valves and is specifically designed for reliable performance. Weighing only 0.012 kg, it is a lightweight and essential replacement part for your needs.Suitable for MAN D EnginesOur breather valve is compatible with MAN D engines, ensuring an ideal fit and functionality. Compared to aftermarket products, our OEM replacement parts offer superior quality. This ensures the long-lasting efficiency of your engines and stable performance in every application.
BREATHER VALVE - 81504060016 suitable for MAN D engines
Breather valve suitable for MAN D enginesThe breather valve – comparison number 81504060016 – is an essential OEM spare part that is optimally suited for the performance of MAN D engines. Weighing only 0.01 kg, this product impresses with its high efficiency. It ensures regulated air circulation and plays a crucial role in optimizing engine performance, which is particularly important for our B2B customers.
BREATHER VALVE - 81504060007 suitable for MAN D engines
Breather Valve 81504060007 – Your SolutionThe breather valve with the comparison number 81504060007 is a top-quality product suitable for MAN D engines. This OEM replacement part ensures that your engines operate reliably and efficiently. Weighing just 0.01 kg, it impresses with its durability and ease of installation.Trust in OEM Replacement PartsOur OEM replacement parts, including the breather valve 81504060007, provide an optimal solution for all requirements in marine and stationary applications. Trust in the quality supported by our many years of experience in the industry. With this replacement part, you have durable components that are precisely tailored for MAN D engines.
BREATHER VALVE - 81504060005 suitable for MAN D engines
Breather valve with comparison number 81504060005The breather valve with the comparison number 81504060005 is an indispensable OEM replacement part specifically designed to ensure optimal functionality of your engines. As part of the category valves, this product reliably allows the discharge of unwanted gases, which is crucial for the efficiency of your engines.Suitable for MAN D enginesThis breather valve is suitable for MAN D engines and provides the quality you can expect from OEM replacement parts. With a low weight of only 0.015 kg, the valve can be easily integrated into your existing engine configuration, ensuring smooth operation.
BREATHER VALVE - 81504060003 suitable for MAN D engines
Breather valve with comparison number 81504060003Discover our breather valve, comparing under the comparison number 81504060003. This OEM spare part has been designed to maximize the efficiency of your engines. With precise construction, the breather valve ensures that your systems operate optimally without compromising on quality.Efficient performance suitable for MAN D enginesThe breather valve is specifically suitable for MAN D engines and impresses with its reliability. Weighing only 0.005 kg, the product is lightweight yet robust. The use of high-quality materials ensures the durability of the component, providing long-term benefits for your engine operation.
BREATHER VALVE - 81504060002 suitable for MAN D engines
Breather valve with comparison number 81504060002Our breather valve, comparison number 81504060002, is an indispensable OEM spare part specially designed for use in engines compatible with MAN D. It provides solutions for pressure regulation and venting, which are essential for the optimal performance of your engines. Weighing only 0.04 kg, it combines lightness with stability and is ideally suited for marine and stationary applications.Quality through OEM spare partsUsing OEM spare parts, such as our breather valve, offers you significant advantages compared to aftermarket products. OEM stands for products from the original manufacturer, ensuring maximum quality and reliability. While aftermarket alternatives often vary in performance, you can trust that our spare part meets the stringent standards that are crucial for engines compatible with MAN D.
BREATHER VALVE - 81504060001 suitable for MAN D engines
Breather valve for reliable engine performanceDiscover our breather valve, known by the reference number 81504060001. This OEM spare part is suitable for MAN D engines and provides you with the performance you are looking for. Weighing only 0.02 kg, it simplifies installation while ensuring efficient pressure regulation during engine operation.
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.
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.