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:
SOLENOID VALVE - 21953045 suitable for Volvo/Volvo Penta engines
Excellent Solenoid Valve: Comparison Number 21953045Discover our OEM replacement part, the solenoid valve with the comparison number 21953045. The outstanding quality of this product ensures precise control of fuel flow in engines. Perfectly tuned for extensive industrial applications, this solenoid valve is the key to the efficiency of your systems.Perfect Performance for Selected EnginesThe solenoid valve is suitable for Volvo/Volvo Penta engines. Its use in demanding environments, such as the marine and stationary sectors as well as in locomotives, ensures that the performance of your engines is maximized.
LU PRESSURE CONTROL VALVE 12V - 0001533159 suitable for MTU engines
Excellent OEM Replacement Part for Your NeedsThe Lu pressure control valve 12v is an outstanding OEM replacement part specifically designed to meet the requirements of MTU engines. The comparison number 0001533159 ensures that you receive a precise and functional product.Suitable for MTU EnginesThis important component is suitable for a variety of MTU engines. Through efficient pressure regulation, the Lu pressure control valve 12v optimizes the operation of the engines and helps prevent premature wear. Trust in the reliability of this product and enhance the lifespan of your system.
SOLENOID VALVE - 21945363 suitable for Volvo/Volvo Penta engines
Precise Engineering: The Solenoid ValveDiscover our solenoid valve with the reference number 21945363. This robust product is an OEM replacement part designed for Volvo/Volvo Penta engines and supports their reliable function. Weighing only 0.197 kg, this solenoid valve is easy to handle and will optimize your engine performance.Years of Expertise in OEM Replacement PartsAs a family-owned business in its second generation, we specialize in providing top-quality OEM replacement parts. Our extensive experience sets us apart and ensures that all products, including the reference number 21945363, meet the highest industry standards. When you need an OEM replacement part, you can rely on the quality of our products.
THROTTLE VALVE - 21937550 suitable for Volvo/Volvo Penta engines
Precision Throttle Valve Suitable for Volvo/Volvo Penta EnginesDiscover our throttle valve, a precision OEM spare part designed for engines from Volvo/Volvo Penta. With the comparison number 21937550, you are offered a spare part that meets the highest quality standards. Ideal for industrial applications, this throttle valve provides the performance and reliability you need.Optimal Fit for Machine ApplicationsThe throttle valve weighs only 0.193 kg and is an essential component suitable for Volvo/Volvo Penta engines. It belongs to the article group of valves and ensures efficient control of engine operation. Use the comparison number 21937550 to ensure that you select the right OEM spare part for your application.
THROTTLE VALVE - 21920420 suitable for Volvo/Volvo Penta engines
Performance Assurance with the Throttle ValveDiscover the throttle valve with the comparison number 21920420, an excellent product for use in marine and stationary engines. This OEM replacement part impresses with its fit and durability, ensuring efficient performance of your engines. Weighing 0.995 kg, this product meets the highest industry standards.Efficient Performance for Suitable for Volvo/Volvo Penta EnginesThe throttle valve is specifically designed to allow precise airflow regulation for Volvo/Volvo Penta engines. This optimizes the efficiency of your engines. Here, you will find OEM replacement parts that ensure maximum reliability in application. Benefit from the quality you expect and secure your product.
VALVE - 21914259 suitable for Volvo/Volvo Penta engines
Valve suitable for Volvo/Volvo Penta enginesDiscover our valve (reference number 21914259), specifically designed to perfectly fit Volvo/Volvo Penta engines. This OEM spare part belongs to the category of valves and is particularly suitable for applications in marine and stationary environments. Weighing 4.725 kg, this product offers stability and reliability for your systems.
VALVE - 21896409 suitable for Volvo/Volvo Penta engines
Efficient Valve suitable for Volvo/Volvo PentaDiscover the valve with the comparison number 21896409 – an essential OEM replacement part that perfectly fits engines suitable for Volvo/Volvo Penta. Weighing only 0.109 kg, this replacement part offers both clarity in weight and durability that will advance your engine business.
VALVE - 21896344 suitable for Volvo/Volvo Penta engines
Exquisite Valve with Comparison Number 21896344Discover our valve with the comparison number 21896344, specifically developed as an OEM replacement part. This product is an essential component that impresses with its precision down to the smallest detail. The valve ensures the flawless function of your engines and secures optimized performance for your system.Suitable for Volvo/Volvo Penta EnginesOur valve is perfectly suited for a variety of applications, as it is specifically designed for engines compatible with Volvo/Volvo Penta. With compact dimensions of 14 cm in length, 14 cm in width, and 4.8 cm in height, the product comes from a modern manufacturing process that meets the highest standards. Thus, you can rely on the efficiency and reliability of your engines.
SUCTION VALVE - 0001314204 suitable for MTU engines
Excellent Suction Valve: Comparison Number 0001314204Discover our Suction Valve with the comparison number 0001314204, specifically designed to fit MTU engines. With this OEM replacement part, you ensure excellent system performance and quality for your engine. Trust in the perfect fit for your applications in marine or stationary use.
VALVE - 0001307120 suitable for MTU engines
Excellent Valve for Your Applications For anyone looking for a valve, our product with the comparison number 0001307120 is the ideal choice. This valuable OEM replacement part is specifically designed to integrate seamlessly into MTU engines and ensures electrical efficiency. Rely on the quality of this essential component!OEM Replacement Parts for the Highest Standards The valve, suitable for MTU, is among the exceptional OEM replacement parts in our product line. Our replacement parts come directly from manufacturers who meet the strict standards of the industry. With us, you choose a solution that goes beyond the quality of aftermarket products.
VALVE - 21883691 suitable for Volvo/Volvo Penta engines
Reliable Valve suitable for Volvo/Volvo PentaDiscover our valve with the comparison number 21883691, an essential OEM spare part required for reliable applications. This valve has been specifically designed for Volvo/Volvo Penta engines and offers you the best performance even under demanding conditions. Weighing 0.156 kg, the component is compact yet extremely robust.
CONSTANT-PRESSURE VALVE - 0000748784 suitable for MTU engines
CONSTANT-PRESSURE VALVE with the comparison number 0000748784 suitable for MTU engines
VENTIL, KRAFTSTOFFA - 0000744284 suitable for MTU engines
Robust and Efficient: Valve for Demanding EnginesDiscover our "Ventil, kraftstoffa" with comparison number 0000744284, which offers a top-notch solution for engines used in marine and stationary applications. This OEM spare part stands for high quality and reliability, ideal for the demanding applications suitable for MTU engines.OEM Spare Parts in Original Equipment QualityThanks to the comparison number 0000744284, our "Ventil, kraftstoffa" is unbeatable in functionality and performance for MTU engines. The OEM spare parts ensure that your engines always operate optimally.
DELIVERY VALVE - 0000743784 suitable for MTU engines
Quality Product: Delivery valveDiscover the product with the comparison number 0000743784 – the Delivery valve, an optimal OEM replacement part designed specifically for MTU engines. This precise component belongs to the article group "Holders, plates and flanges" and ensures that your engines operate efficiently at all times.
DELIVERY VALVE - 0000742384 suitable for MTU engines
OEM Spare Part: Delivery Valve with Comparison Number 0000742384Discover the high-quality Delivery Valve with the comparison number 0000742384 – a premium OEM spare part designed specifically for MTU engines. Our spare parts represent the best quality and optimal fit to ensure the performance of your diesel or gas engines in marine and stationary applications.Features of the Delivery ValveThis spare part offers you robust durability and unique material properties. Compared to aftermarket alternatives, the OEM spare part impresses with its design specifically tailored for MTU engines. Trust in the distinguishing features of our products, which are manufactured according to manufacturer standards.
X00021306/94 - 0000661716 suitable for MTU engines
Excellent Performance with the Bearing 0000661716Discover our bearing with the comparison number 0000661716 and the specific designation "X00021306/94," which is specifically suitable for MTU engines. These OEM replacement parts provide you with an optimal fit and support powerful operation of your engines in any application.OEM Replacement Parts of the Highest QualityEach bearing is an OEM replacement part, compatible with MTU engines, and undergoes strict quality controls. This measure not only ensures a long service life but also minimizes downtime. Rely on our years of experience and choose solutions that stand out in the entire industry.
- 0000660716 suitable for MTU engines
Precise Fit with Comparison Number 0000660716Discover the OEM spare part with the comparison number 0000660716. This Valve Stem ensures optimal efficiency and performance of your engines. At MOPA Motorparts, we offer products made from quality-tested materials with a long service life.Suitable for MTU EnginesOur Valve Stem is suitable for MTU engines, particularly for the series 331 and the engine types 12V331TC92. These OEM spare parts meet the manufacturer's quality requirements. This means you can expect them to maintain performance at a high standard, which alternative products often cannot.
VENTILBAUGRUPPE, DU - 0000160591 suitable for MTU engines
VENTILBAUGRUPPE, DU with the comparison number 0000160591 suitable for MTU engines
EXHAUST VALVE - 21739130 suitable for Volvo/Volvo Penta engines
Exhaust valve suitable for renowned enginesThe exhaust valve, suitable for Volvo/Volvo Penta engines, is an excellent choice for those who prioritize performance and reliability. With the comparison number 21739130, you receive an OEM replacement part of the highest quality. This product, weighing only 0.134 kg and measuring 13.7 cm in length and width and 4.2 cm in height, is precisely crafted and ideal for demanding applications in marine and stationary areas.Optimal performance for your enginesThe exhaust valve, suitable for Volvo/Volvo Penta engines, ensures excellent function in both shipping and energy-saving solutions. The use of OEM replacement parts, such as our exhaust valve, assures compatibility and reliability that you can expect from the most reputable manufacturers. By replacing worn valves with this premium product, you maximize the performance of your engines and increase the lifespan of your entire drive system.
SOLENOID VALVE - 21738263 suitable for Volvo/Volvo Penta engines
Solenoid Valve – Comparison Number 21738263Discover our solenoid valve with the comparison number 21738263 – a product that can offer the highest efficiency. This solenoid valve is suitable for engines from Volvo/Volvo Penta. Rely on the quality of OEM replacement parts that have been specifically designed for industrial engines when selecting your components.
VALVE - 21733891 suitable for Volvo/Volvo Penta engines
Efficient Valve for Marine and Industrial ApplicationsDiscover our reliable product that ensures excellent functionality. The valve with the reference number 21733891 is specially designed for diesel and gas engines. Weighing only 0.06 kg, this OEM spare part offers precise performance characteristics and durability. Trust in the quality that only an OEM spare part can provide.Suitable Solution for Volvo/Volvo Penta EnginesThis valve is suitable for Volvo/Volvo Penta engines and meets the highest industry standards. Our OEM spare parts are carefully tested to ensure they meet your effectiveness requirements even in the most demanding applications. Thanks to the precise fit, the spare part integrates seamlessly into your engines.
VALVE - 21689520 suitable for Volvo/Volvo Penta engines
Reliable Valve for Volvo/Volvo Penta EnginesDiscover the OEM replacement part Valve (comparison number: 21689520), specifically designed to function reliably in engines from Volvo and Volvo Penta. This essential component ensures optimal engine performance by regulating pressure within the systems. Weighing only 0.166 kg, the Valve is lightweight and robust.Optimal Functionality with Comparison Number 21689520The product with comparison number 21689520 belongs to the group of Valves, which is crucial for the smooth operation of your engines. Rely on top-quality OEM replacement parts that have gained the trust of the industry and provide high performance for your engines. These materials are ideal for promoting the longevity and efficiency of your machines.
VALVE - 21689519 suitable for Volvo/Volvo Penta engines
Premium Valve, Comparison Number 21689519Discover our valve with the comparison number 21689519, a replacement part in original equipment quality. This product impresses with precision and reliability. Weighing 0.166 kg, it is ideal for various requirements in the fuel sector and delivers outstanding performance.Reliability for Engines, Suitable for Volvo/Volvo PentaOur valve is designed to fit Volvo/Volvo Penta engines. OEM replacement parts provide you with the assurance that your engine is equipped with the best components. Maximize the efficiency and longevity of your engines by using OEM replacement parts that are perfectly matched to the demands of your application.
VALVE - 21668031 suitable for Volvo/Volvo Penta engines
Valve with Comparison Number 21668031Discover our valve with the comparison number 21668031, specially designed to support engines from Volvo/Volvo Penta. Weighing 1.175 kg, this product offers the necessary reliability to withstand the most demanding applications.
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.