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:
DISC VALVE - 81541246006 suitable for MAN D engines
Robust Disc Valve for Reliable EnginesDiscover our disc valve with the comparison number 81541246006, an essential product for high-performance engines. This OEM replacement part is characterized by quality and precision. The design of the disc valve ensures reliable functionality, allowing your engine to operate optimally at all times. Rely on a product that has been specifically developed to meet the requirements in marine and stationary applications.Suitable for MAN D EnginesThe disc valve is ideally suited for MAN D engines and meets all the necessary standards of the manufacturers. Weighing 0.874 kg, this OEM replacement part offers the right balance between stability and efficiency. The comparison number 81541246006 ensures that you receive a product that exceeds your expectations.
DISC VALVE - 81541246005 suitable for MAN D engines
Premium Disc Valve for EnginesThe disc valve with the comparison number 81541246005 is an essential OEM spare part specifically designed for MAN D engines. It impresses with exceptional quality and durability, which are required for demanding applications in marine and stationary technology. Weighing 0.89 kg, this product is both robust and high-performing.
DISC VALVE - 81541246003 suitable for MAN D engines
Efficient Disc Valve for Your ApplicationDiscover the disc valve with the comparison number 81541246003, an essential product for engines in marine and stationary applications as well as for locomotives. Weighing only 0.61 kg, it impresses with its robust construction and ensures efficient operation. This OEM spare part offers you reliable performance and durability.Optimal Fit for MAN D EnginesThe disc valve is specifically designed to perfectly harmonize with engines suitable for MAN D. Our products are designed for MAN D engines and meet the strict requirements of OEM quality. With this spare part, you contribute to optimizing the efficiency and lifespan of your engine.
DISC VALVE - 81541240008 suitable for MAN D engines
Reliable Disc Valve for Your Engines Discover our disc valve with the comparison number 81541240008. This OEM replacement part is suitable for MAN D engines and has been designed for optimal performance. Weighing 1.2 kg, it provides the necessary stability to ensure flawless function even under higher loads.Quality through OEM Replacement Parts When selecting replacement parts, it's crucial to pay attention to quality. Our disc valve ensures that you receive an OEM replacement part that meets the manufacturer's standards. Unlike aftermarket solutions, which can often vary, our product delivers the reliability you need for your engines.
DISC VALVE - 81541240007 suitable for MAN D engines
Disc valve with comparison number 81541240007Discover our disc valve, marked with the comparison number 81541240007. This OEM spare part ensures reliability and efficiency in your engines. Weighing only 0.65 kg, it is crucial for the performance and durability of your drive systems.
DISC VALVE - 81541240005 suitable for MAN D engines
Disc valve with comparison number 81541240005Discover our disc valve, marked with the comparison number 81541240005. This product belongs to the category of valves and is crucial for the optimal functioning of engines. Weighing 1.15 kg, it is stable and robust, making it ideally suited for marine and stationary applications.
DISC VALVE - 81541240003 suitable for MAN D engines
Discover the Precision of the Disc ValveDiscover our disc valve, marked with the comparison number 81541240003. This product has been specifically designed to function optimally in engines. It is the perfect solution for customers who prioritize efficiency and reliability. Weighing only 0.89 kg, it is lightweight yet robust, making it ideal for use in various applications.Optimal Compatibility for MAN D EnginesThe disc valve is suitable for MAN D engines and offers excellent fit and performance. These OEM spare parts are designed to meet the high standards required for marine and stationary applications. When replacing, trust the quality of our products, which ensure ideal engine performance.
DISC VALVE - 81541240002 suitable for MAN D engines
Reliable Disc Valve with Comparison Number 81541240002Discover the disc valve with the comparison number 81541240002, an essential OEM replacement part for your engines. This product is specifically designed to fit MAN D engines, offering excellent performance. Weighing 0.8 kg, it provides easy handling and installation without compromising on quality.Reliability of OEM Replacement PartsThe disc valve belongs to the category of valves, which are crucial for the smooth operation of your engines. This product, suitable for MAN D, contributes to precise control in the intake system and optimizes the efficiency of your engines. Rely on the superior quality of OEM replacement parts to ensure durability and maximum performance.
SUCTION VALVE - 81541236001 suitable for MAN D engines
Suction Valve: Quality You Can Rely OnDiscover our suction valve, which carries the comparison number 81541236001. This product is a top-quality OEM replacement part specifically designed to operate engines efficiently. With this comparison number, you receive a reliable component that perfectly meets your requirements.Suitable for MAN D EnginesThe suction valve is suitable for MAN D engines and plays a crucial role in the performance of your machines. At MOPA Motorparts, we exclusively offer OEM replacement parts that adhere to the highest standards. The suction valve impresses with durability and easy installation, ideal for marine and stationary use.
PRESSURE CONTROL VALVE - 81541226004 suitable for MAN D engines
High-Quality Pressure Control Valve for Premium EnginesDiscover the pressure control valve with the comparison number 81541226004, an essential product for engines in marine and stationary applications. This OEM replacement part is suitable for MAN D engines and offers excellent functionality for your needs. With a weight of only 0.03 kg, this product impresses with its lightweight design and sophisticated workmanship.Suitable for MAN D Engines: Quality You Can TrustOur pressure control valve is designed as an OEM replacement part, which means it meets the highest standards. As a compatible component for MAN D engines, it ensures that your engine operates reliably at all times. Rely on the durability and efficiency of this product to optimize the performance of your engines.
PRESSURE CONTROL VALVE - 81541226002 suitable for MAN D engines
Excellent Pressure Control Valve Suitable for MAN D EnginesDiscover our pressure control valve with the comparison number 81541226002, specifically designed to support optimal performance in MAN D engines. As an OEM replacement part, it offers the highest precision and quality that you can expect from a leading manufacturer. Weighing only 0.09 kg, this product is not only lightweight but also extremely reliable.
PRESSURE CONTROL VALVE - 81541226001 suitable for MAN D engines
Efficient Pressure Control Valve with Comparison Number 81541226001Discover our pressure control valve, which is marked with the comparison number 81541226001. This product has a lightweight of only 0.075 kg and ensures that your engines operate optimally. The use of OEM spare parts provides the reliability you need for your applications.Suitable for MAN D EnginesOur pressure control valve is suitable for MAN D engines and belongs to the product group “Valves”. By using OEM spare parts, we ensure that this component meets your requirements and supports the performance of your engine. Rely on the quality you expect from original equipment manufacturer parts.
INLET VALVE - 81541070007 suitable for MAN D engines
Precise Solution: Inlet Valve for Various ApplicationsDiscover our inlet valve with the comparison number 81541070007, an indispensable OEM spare part that is optimally suited for MAN D engines. This product belongs to the category of valves and offers excellent quality to ensure optimal performance. With a weight of just 0.09 kg, the component is both lightweight and robust, allowing for easy handling.
EXHAUST VALVE - 81541070006 suitable for MAN D engines
Exhaust valve suitable for MAN D enginesDiscover our OEM spare part, the exhaust valve with the comparison number 81541070006, suitable for MAN D engines. This product offers you the ideal solution to enhance the performance of your engines. Weighing only 0.065 kg, it is not only easy to handle but also robust and durable.
VALVE - 81523150021 suitable for MAN D engines
Valve suitable for MAN D enginesDiscover our valve, which is excellently tailored to the requirements of MAN D engines with the comparison number 81523150021. As an OEM replacement part, it offers the highest precision and reliability, ensuring that your engines can operate optimally. Weighing only 0.002 kg, this product is not only lightweight but also durable, making it ideal for use in demanding applications.OEM replacement parts for specific applicationsThis valve is part of a special category that exclusively provides OEM replacement parts. The comparison number 81523150021 ensures that the product has been precisely developed to support the functionality and longevity of your engines. We stand for quality and reliability, allowing you to focus on your projects.
- 81523106038 suitable for MAN D engines
Excellent Control Valve with Comparison Number 81523106038Discover the control valve with the comparison number 81523106038, an essential OEM spare part for effective engine control. This product offers efficiency and durability for engines operating in demanding environments. Rely on the quality that only OEM spare parts can provide, and avoid uncertainties from aftermarket products.
CONTROL VALVE - 81523106024 suitable for MAN D engines
Control valve suitable for MAN D enginesDiscover the control valve with the comparison number 81523106024, which is perfectly matched to the requirements of MAN D engines. This product from the category of valves impresses with top-quality that only OEM spare parts can provide. Weighing 1.62 kg, it offers the necessary robustness for demanding applications in marine and stationary environments.
TRAILER CONTROL VALVE - 81523016196 suitable for MAN D engines
Control valve with the comparison number 81523016196Discover our control valve with the comparison number 81523016196, specifically designed to work reliably in engines. This OEM replacement part is suitable for MAN D engines and offers excellent performance due to its solid construction. Weighing 1.46 kg, it is ideal for use in demanding applications such as marine and stationary environments.Quality and Precision in FocusAt MOPA Motorparts, we focus on precision and continuously seek the best solutions for our customers. The comparison number 81523016196 identifies our OEM replacement part, which is both powerful and functional. With over a million spare parts in our inventory, you can trust that you will find the optimal solution for your needs.
TRAILER CONTROL VALVE - 0481061005 suitable for Bosch engines
Reliable Control Valve for Your MachinesThe control valve with the comparison number 0481061005 is a high-quality product found in our category of valves. This OEM spare part has been specifically designed to ensure optimal performance in your engines. Weighing only 1.46 kg, it is ideal for a variety of applications where reliability and efficiency are required.
3/2-WAY VALVE - 81521859061 suitable for MAN D engines
Precise 3/2-way valve solution for demanding applications Discover the 3/2-way valve with the comparison number 81521859061, an essential OEM replacement part specifically designed for the requirements of MAN D engines. This product in the category Valves stands for reliability, and its weight of 0.67 kg ensures easy integration.
3/2-WAY VALVE - 81521859018 suitable for MAN D engines
Precise 3/2-Way Valve: Your Choice for QualityDiscover our 3/2-way valve with the comparison number 81521859018, which impresses as an OEM replacement part in premium quality. This product is lightweight and robust, weighing only 0.112 kg, and meets the requirements for a variety of applications, including marine and stationary use.Reliable Performance for EnginesThe 3/2-way valve is designed to fit MAN D engines. It ensures consistent performance that you expect from a reliable replacement part. The careful workmanship ensures that your engine operates efficiently and functions optimally, even under extreme conditions.
3/2-WAY VALVE - 81521856063 suitable for MAN D engines
3/2-Way Valve for the Highest DemandsDiscover our 3/2-way valve, compatible with MAN D engines, with the comparison number 81521856063. This reliable OEM spare part is specifically optimized for applications in diesel and gas engines and provides the quality you need.Suitable for MAN D EnginesOur product, the 3/2-way valve, is suitable for MAN D engines and ensures that your engine operates optimally under all conditions. The comparison number 81521856063 attests to the quality of this spare part, which is categorized in our group "Valves."
3/2-WAY VALVE - 81521856062 suitable for MAN D engines
3/2-Way Valve for Various ApplicationsOur 3/2-way valve, comparison number 81521856062, is the ideal OEM replacement part to ensure the efficiency of your engines. This product weighs only 0.21 kg and offers top performance that is specifically tailored to meet requirements. Benefit from the thoughtful design that enables reliable functionality in demanding applications.Suitable for MAN D EnginesThis valve is suitable for MAN D engines and meets the strict requirements placed on OEM replacement parts. With the comparison number 81521856062, it stands for optimal connectivity and efficiency. Our products are designed to facilitate the maintenance of your machines and extend the lifespan of your engines.
3/2-WAY VALVE - 81521856061 suitable for MAN D engines
Precise Solution: 3/2-Way Valve Discover our 3/2-way valve with the reference number 81521856061, an essential product for demanding applications. This component is suitable for MAN D engines and belongs to the category of valves. Weighing 0.67 kg, this product offers an ideal combination of robustness and efficiency for marine and stationary engines.OEM Replacement Parts for Efficiency Our 3/2-way valve is an OEM replacement part that meets the highest quality standards. The reference number 81521856061 identifies a product that can be used in various applications. It ensures that your engines operate optimally and provides long-term performance. Rely on our expertise in OEM replacement parts to keep your systems reliably maintained.
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.