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 CONTROL VALVE - 2418592099 suitable for Bosch engines
Excellent Pressure Control Valve for Your ApplicationsThe pressure control valve with the reference number 2418592099 is an OEM replacement part specifically designed to provide optimal performance. This product is suitable for Bosch engines and is excellent for diesel and gas engines.Quality and ReliabilityOur pressure control valves are OEM replacement parts that undergo strict internal controls to ensure the highest standards. With the reference number 2418592099, you receive a product that meets the demands of challenging applications.
AIR SUPPLY VALVE - 2417413109 suitable for Bosch engines
Product with Reference Number 2417413109 Suitable for Bosch Engines The product with the reference number 2417413109 is an essential component in engine technology. This air supply valve is specifically designed for Bosch engines and improves the control of exhaust gas recirculation for optimal engine performance. With compact dimensions of 3.8 cm length, 3.8 cm width, and 2 cm height, weighing only 0.046 kg, it is ideally suited for various applications in engines.OEM Spare Part Suitable for Bosch Engines – Precision in Focus As an OEM spare part suitable for Bosch engines, the air supply valve meets the highest standards of fit and quality. The use of OEM spare parts ensures that engines maintain their performance and operate reliably. This product is specially suited for engines requiring precisely regulated control elements, supporting efficient engine function.
INLET VALVE - 23665874 suitable for Volvo/Volvo Penta engines
Precision and Performance: Inlet Valve Suitable for Volvo/Volvo PentaExperience a high-quality inlet valve with the comparison number 23665874, precisely tailored to the needs of engines. This OEM replacement part belongs to the category of valves and impresses with its precise quality. Designed for engines that need to operate optimally, our product stands for reliability and longevity.The Ideal Choice for Professional ApplicationsOur inlet valve is perfectly suited for Volvo/Volvo Penta engines, ensuring consistently high performance. Weighing 0.156 kg, it can be easily installed. Rely on this OEM replacement part that provides you with the assurance you need for your applications.
EXHAUST VALVE - 23448104 suitable for Volvo/Volvo Penta engines
Exhaust valve compatible with Volvo/Volvo PentaDiscover our exhaust valve (comparison number 23448104), an essential OEM spare part designed to meet the needs of your engines. Weighing 1.36 kg, this product offers reliable functionality and ensures that your machines operate optimally. Rely on our decades of experience in the field of spare parts.
INLET VALVE - 23424264 suitable for Volvo/Volvo Penta engines
Inlet Valve: Optimal Solution for Your EnginesDiscover our inlet valve (comparison number: 23424264), a top-quality spare part designed for Volvo/Volvo Penta engines. This spare part ensures maximum efficiency and optimal performance of your engines in marine and stationary applications as well as in locomotives. Weighing only 0.111 kg, it is not only functional but also easy to handle.Quality That ConvinceAs spare parts, we meet the highest quality standards. Every product is carefully tested to fulfill the requirements of MOPA Motorparts. Therefore, you can rely on your engine always running at its best and minimizing downtime.
BREATHER VALVE - 23280287 suitable for Volvo/Volvo Penta engines
Breather Valve for Reliable Engine PerformanceDiscover our breather valve, identified by the comparison number 23280287. This OEM replacement part impresses with its perfect fit and is ideal for applications in demanding environments. With robust materials and precise workmanship, this product offers a reliable solution for your engine requirements.Suitable for Volvo/Volvo Penta EnginesOur breather valve is specifically designed to fit Volvo/Volvo Penta engines. This ensures seamless integration into your existing engine structure. Rely on the proven quality of this OEM replacement part to keep your engine running smoothly and to achieve optimal performance levels.
BREATHER VALVE - 22882683 suitable for Volvo/Volvo Penta engines
Premium Breather Valve for Demanding ApplicationsOur breather valve with the comparison number 22882683 is an essential OEM spare part, specifically designed to ensure a precise fit for Volvo/Volvo Penta engines. Weighing 27.215 kg, it combines durability and reliability to meet the demands of marine applications.Reliable Quality for Volvo/Volvo Penta EnginesThis breather valve plays a crucial role in the functionality of your engine by regulating unwanted overpressure. As an OEM spare part, it offers precise accuracy and high quality. Compared to aftermarket alternatives, it is a dependable choice for your engine operation.
EXHAUST VALVE - 22794343 suitable for Volvo/Volvo Penta engines
Optimal for Marine and Industrial ApplicationsThe exhaust valve with the reference number 22794343 is an essential spare part specifically designed for engines compatible with Volvo/Volvo Penta. This robust product belongs to the category of valves and ensures reliable performance in demanding applications. Weighing 1.905 kg, it demonstrates the durability that your engines need in marine and stationary use.Suitable for Long-Term EfficiencyThe exhaust valve is compatible with Volvo/Volvo Penta engines and ensures that your machines operate efficiently and powerfully. The reference number 22794343 indicates that this spare part is an ideal solution for your engines. By using components that are well-suited to the requirements, the performance of your systems remains reliable.
VALVE KIT - 22607972 suitable for Volvo/Volvo Penta engines
Valve with Comparison Number 22607972 for Reliable EnginesDiscover our valve with the comparison number 22607972, specifically designed to function optimally in engines suitable for Volvo/Volvo Penta. This product from our category of valves not only provides convincing accuracy but also outstanding performance that you expect from an OEM spare part. Weighing just 0.098 kg, it is light yet robust, ideal for various applications in the marine and stationary sectors.Experience Quality with OEM Spare PartsOur spare parts, including the valve with the comparison number 22607972, stand for the highest quality in original equipment manufacturer standard. Suitable for Volvo/Volvo Penta engines, our OEM spare parts offer the same standards of reliability and durability as the manufacturer's products. Unlike aftermarket offers that often compromise on quality, we rely on the expertise of the original developers.
VALVE KIT - 22260296 suitable for Volvo/Volvo Penta engines
Precise Valve compatible with Volvo/Volvo Penta enginesThe valve with the comparison number 22260296 is an essential OEM spare part specifically designed to support optimal engine function. Weighing 0.097 kg, this product is lightweight yet offers the durability you expect from a high-quality spare part. Rely on its precision and longevity for marine and stationary applications.OEM quality: Comparison number 22260296This valve is compatible with Volvo/Volvo Penta engines and is distinguished by its excellent OEM quality. At MOPA Motorparts, we take pride in offering you OEM spare parts that meet the highest standards. Our valves are designed to maximize the efficiency and performance of your engines and ensure reliable operation.
CONTROL VALVE - 22208989 suitable for Volvo/Volvo Penta engines
Reliable Control Valve for EnginesThe control valve with the comparison number 22208989 is an indispensable spare part that offers the highest precision and reliability. As an OEM spare part, it meets the highest standards and ensures that your engines operate efficiently and without interruption. Weighing 0.793 kg, this product is crucial for the optimal performance of your engines.Suitable for Volvo/Volvo Penta EnginesThis control valve is specifically designed to be compatible with Volvo/Volvo Penta engines. Thanks to its design, it offers a perfect fit and functionality. If you are looking for a reliable spare part, the control valve is the ideal choice for all your needs in marine and stationary applications.
SHUTTLE VALVE - 21795393 suitable for Volvo/Volvo Penta engines
Shuttle valve for professional applicationsDiscover the shuttle valve listed under the reference number 21795393. This OEM spare part has been specifically designed to meet the highest demands. It is suitable for Volvo/Volvo Penta engines and ensures that your engines operate reliably and efficiently. Weighing only 0.036 kg, this product is both lightweight and stable.
EXHAUST VALVE - 21428679 suitable for Volvo/Volvo Penta engines
Trust in Proven QualityDiscover the exhaust valve with the comparison number 21428679, an OEM replacement part specifically designed to be compatible with Volvo/Volvo Penta engines. This product meets strict quality standards and is ideal for marine and stationary use as well as for locomotives.Efficiency and Performance in FocusThe exhaust valve, listed under the comparison number 21428679, weighs 2.086 kg and significantly optimizes the exhaust flow of your engine. It is compatible with Volvo/Volvo Penta engines and enhances the overall performance of your drive. Trust in quality that excels in practice.
EXHAUST VALVE - 20755883 suitable for Volvo/Volvo Penta engines
Excellent Exhaust Valve for Demanding ApplicationsDiscover our Exhaust Valve, which carries the comparison number 20755883 as an OEM replacement part. This product is suitable for Volvo/Volvo Penta engines and ensures the reliable performance you expect from an OEM replacement part. Benefit from optimal engine performance and a long lifespan.Precision and Quality in Every DetailOur Exhaust Valve belongs to the article group Valves and is specifically designed to meet the demands of engines. This replacement part is compatible with manufacturers such as Volvo/Volvo Penta and stands out due to its precise manufacturing. With the comparison number 20755883, you know exactly which product you are ordering.
GATE VALVE - 20405792 suitable for Volvo/Volvo Penta engines
OEM Replacement Parts for EnginesDiscover our product, the gate valve with the comparison number 20405792, designed for Volvo/Volvo Penta engines. This OEM replacement part offers the reliability and quality you need for your engines, ensuring optimal performance.Versatility and FunctionalityThe gate valve belongs to the category of valves and is essential for the smooth functionality of engines. Trust our range: In our large warehouse, you will find the suitable OEM replacement parts tailored to your needs.
VALVE - 161L66711 suitable for MTU engines
Valve suitable for MTU enginesDiscover our OEM spare part, the valve with the comparison number 161L66711. This product ensures optimal performance of your engines and is specially designed to meet the highest quality standards.Quality for enginesThe valve is suitable for MTU engines and belongs to the product group valves. Our OEM spare parts help maximize the efficiency of your engines, ensuring they operate reliably at all times. Trust in our years of experience in the industry.
NON-RETURN VALVE - 136M51709 suitable for MTU engines
Quality Non-return Valve Suitable for MTU EnginesDiscover the non-return valve with the comparative number 136M51709, specifically designed for engines compatible with the MTU 538 series. Weighing just 0.093 kg, this crucial product is an indispensable OEM spare part for those who prioritize reliability. When selecting spare parts, it is essential to choose products from the manufacturer to ensure the sustained performance of your engines.Reliability Through OEM Spare PartsThe non-return valve 136M51709 offers flawless functionality in your engine type compatible with 16V538TB90. By using this OEM spare part, you ensure that all manufacturer specifications are precisely adhered to. This minimizes the risk of failures and maximizes the lifespan of your MTU engines. Rely on tested quality that withstands the demands of industrial use.
NON-RETURN VALVE - 135A03017/1 suitable for MTU engines
Non-return valve – Comparison number 135A03017/1The non-return valve with the comparison number 135A03017/1 is an indispensable product for anyone relying on engine performance. Weighing only 0.28 kg, this OEM replacement part offers an impressive combination of functionality and durability. The non-return valve is suitable for engines in the marine and stationary sectors and meets the highest standards.Precise fit for MTU enginesThis non-return valve is compatible with MTU engines, particularly the engine type 16V538TB90. Thanks to its thoughtful design, it prevents unwanted flow, which is crucial for engine efficiency. In the category of valves, this OEM replacement part is an excellent choice for service providers and specialist companies that prioritize quality.
NON-RETURN VALVE - 135M55705 suitable for MTU engines
Non-return valve for demanding applicationsDiscover our non-return valve with the comparison number 135M55705, an essential product suitable for MTU engines. This OEM replacement part ensures the highest reliability and quality that only manufacturers with top-notch manufacturing technology can offer. Trust our many years of experience to optimize the performance of your engines.
NON-RETURN VALVE - 135M51702 suitable for MTU engines
Non-return valve 135M51702: Your reliable replacement partDiscover the non-return valve, available as an OEM replacement part with the comparison number 135M51702. This product is suitable for MTU engines and offers you the quality you can expect from a top-tier replacement part.
NON-RETURN VALVE - 135M21731 suitable for MTU engines
Product Description: Non-return valve suitable for MTU engines 331, 493, 538The product with the reference number 135M21731 is a non-return valve designed to fit MTU engines. The valve belongs to the article group Valves and supports trouble-free operation by reliably preventing backflow in the engines. This OEM replacement part meets the technical requirements intended for safe and precise functionality.Non-return valve suitable for MTU engine types 12V331TC92, 12V493, 16V538TB90, 16V538TB93The non-return valve with reference number 135M21731 fits MTU series 331, 493, and 538 as well as engine types 12V331TC92, 12V493, 16V538TB90, and 16V538TB93. The compact product measures 5 cm in length and width with a height of 2.2 cm and weighs only 0.103 kg. These dimensions facilitate integration into various MTU engines and ensure efficient operation.
PRESSURE RELIEF VALVE - 135F75710 suitable for MTU engines
Pressure Relief Valve – Comparison Number 135F75710The pressure relief valve with the comparison number 135F75710 is an essential product that optimizes the performance of your MTU engines. This OEM replacement part impresses with its reliability and durability, making it perfectly suitable for the maintenance and servicing of your engines. Weighing only 0.407 kg, the pressure relief valve features a compact design that allows for easy installation.Suitable for MTU Engines and SeriesThis pressure relief valve is suitable for MTU, particularly for the series 538, as well as for the engine types 16V538TB90 and 16V538TB93. With its precise construction, we ensure that this OEM replacement part meets high standards and optimally supports the functionality of your engine.
PRESSURE RELIEF VALVE - 135F70710 suitable for MTU engines
PRESSURE RELIEF VALVE with the comparison number 135F70710 suitable for MTU engines
PRESS RELIEF VALVE - 135F70700 suitable for MTU engines
Efficient Press Relief Valve for Marine ApplicationsDiscover our Press Relief Valve (comparison number 135F70700), suitable for MTU engines. This OEM replacement part impresses with precise functionality and reliability, which are crucial for applications in marine and stationary fields. Each product undergoes thorough internal checks to ensure it meets the highest quality standards.Trust in OEM Replacement PartsAs a family-owned business in its second generation, we focus on the optimal combination of tradition and modernity. Our Press Relief Valve and other replacement parts are suitable solutions for your specific engine requirements. With our long-standing experience, we offer reliable OEM replacement parts that efficiently support your MTU engines.
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.