AIR SUPPLY VALVE
AIR SUPPLY VALVE and Valves for diesel and marine engines
Valves are precision components that control gas flow, pressure, and timing inside combustion engines. In the cylinder head, they govern the exchange of fresh charge and exhaust gases; around the engine, they manage auxiliary systems such as starting air, charge air, and safety relief. For purchasers and technical decision-makers, the Valves category covers intake and exhaust valves, the AIR SUPPLY VALVE for starting systems, as well as related seats, guides, springs, and actuation hardware. These parts are critical for power, fuel economy, emissions, and safe engine operation in demanding duty cycles.
Across a diesel engine or gas engine, engineered valves translate design tolerances into real-world performance: tight sealing preserves compression, optimized flow reduces pumping losses, and robust materials withstand high temperature and corrosive exhaust environments. In marine applications, the AIR SUPPLY VALVE is equally vital—admitting high-pressure air to start large-bore units reliably and preventing backflow to protect the air manifold and crew.
Technical function of Valves and the AIR SUPPLY VALVE in a diesel engine
Within the cylinder head, intake and exhaust valves open and close in a precisely timed sequence driven by camshafts, rockers, or hydraulic actuators. When seated, the valve face mates with a hardened seat to seal the combustion chamber; when lifted, the valve curtain area and port geometry govern volumetric efficiency and scavenging. Stem-to-guide clearances control lubrication, heat transfer, and alignment, while spring force ensures rapid seating at high RPM to avoid valve float. Metallurgy is application-specific: intake valves often use martensitic steels for strength, while exhaust valves rely on austenitic or nickel-based alloys with Stellite hardfacing to resist hot corrosion and erosion.
The AIR SUPPLY VALVE in a marine engine has a different but complementary role. Connected to the starting air system, it admits compressed air into the cylinder at a defined crank angle to initiate rotation and firing. A non-return arrangement and tight sealing prevent combustion gases from propagating into the air manifold. In a diesel engine, this AIR SUPPLY VALVE enables safe, repeatable starts after port calls, blackouts, or maintenance, especially on large two-stroke and medium-speed four-stroke units. Specified flow capacity, fast closing dynamics, and correct seating forces are essential for both efficiency and safety.
- · Tight sealing preserves compression and reduces blow-by.
- · Optimized flow areas improve power and fuel efficiency.
- · Heat- and corrosion-resistant alloys extend service life.
- · Accurate stem/guide fit keeps alignment and oil control.
- · Surface treatments (nitriding, hardfacing) reduce wear.
- · Reliable actuation ensures timing at rated load and speed.
- · AIR SUPPLY VALVE safeguards starting performance and safety.
- · Engineered for diesel engine and gas engine duty profiles.
Importance for engine operation and lifecycle
Valve condition directly determines reliability, output, and emissions. Seat recession or face burning reduces compression and raises exhaust temperatures, accelerating turbocharger and exhaust-side degradation. Excessive stem wear increases oil consumption and fouling. Weak springs or incorrect lash cause loss of timing stability, misfire, or piston-to-valve contact in extreme cases. For gas engines, leakage raises knock risk and component thermal load.
On the starting system, an out-of-tolerance AIR SUPPLY VALVE can lead to slow starts, failed starts, or, more critically, hot gas blowback into the air manifold. That creates a safety hazard, strains compressors, and can trigger costly unplanned shutdowns. Regular inspection, correct materials, and precise seating geometry are therefore essential to keep engines in class compliance and maintain predictable overhaul intervals.
OEM spare parts suitable for Valves and AIR SUPPLY VALVE: performance, reliability, and budget
Selecting OEM spare parts suitable for the Valves category is a strategic decision that impacts total cost of ownership. These parts are built to the engine maker’s dimensional stack-up and material specifications, ensuring drop-in compatibility with seat angles, stem diameters, keepers, spring rates, and actuator interfaces. For an AIR SUPPLY VALVE, OEM parts mean correct flow coefficients, non-return function, and tested sealing performance under pressure and temperature cycling.
Material integrity underpins service life: heat-resistant steels, Stellite or similar hardfacings, controlled hardness profiles across the stem and tip, and surface finishes that minimize wear in boundary-lubrication regimes. Consistent test procedures and traceability reduce variability, enabling longer maintenance windows and stable emissions. The result is measurable: better compression, stable cylinder pressure balance, lower fuel and lube oil consumption, reduced risk of unplanned dry-docking, and predictable spares budgets.
OEM parts advantages for an AIR SUPPLY VALVE in a marine engine
When you specify AIR SUPPLY VALVE OEM parts, you secure accurate opening dynamics, proven sealing elements, and corrosion-resistant internals suited to humid, saline environments. That reliability translates into safe starting, protected manifolds, compliant safety procedures, and efficient turnaround in port. For fleet operators, consistent performance across sister vessels simplifies inventory and crew training.
MOPA as your partner for OEM spare parts Valves
MOPA is an experienced and reliable partner for OEM spare parts Valves. We support shipowners, power plants, and service companies with a focused portfolio that covers intake and exhaust valves, complete AIR SUPPLY VALVE assemblies, seats, guides, springs, and related components for diesel and gas engines. Our strength lies in speed, quality, and security: rapid sourcing, careful technical verification, and logistics you can count on for time-critical dockings or outages.
With MOPA, you gain a knowledgeable team that understands cylinder head rebuilds, starting air system best practices, and the documentation requirements of class societies. We help you match part numbers, validate component revisions, and align deliveries with maintenance windows—minimizing downtime while protecting engine performance.
Conclusion: Valves and AIR SUPPLY VALVE
Valves—including the AIR SUPPLY VALVE—are core to engine performance, efficiency, and safety. Their precision, materials, and sealing quality determine output and reliability across diesel and marine applications. By choosing OEM spare parts suitable for Valves, you secure consistent performance, longer service life, and better budget control throughout the engine lifecycle.
AIR SUPPLY VALVE with the comparison number SVDVD5-3 suitable for Bosch engines
Air Supply Valve for Supporting MAN D EnginesDiscover the air supply valve (comparison number: EPVE219P3Z), an essential OEM spare part suitable for MAN D engines. This product impresses with precise workmanship and a lightweight of only 0.013 kg, allowing for effortless installation in your engines.Quality Meets EfficiencyAs part of our OEM spare parts, this air supply valve offers high performance and long durability. It plays a crucial role in maintaining a stable cooling circuit and supports the efficiency of your MAN D engines, ensuring optimal operation in marine vessels and stationary applications.
Air Supply Valve: Your Partner for Efficient PerformanceDiscover our air supply valve (part number: 12163418), an essential OEM replacement part designed specifically for demanding applications. This product belongs to the category of valves and is ideally suited for use in MWM & Deutz engines. Weighing 0.734 kg, it offers stability and reliable functionality.Efficient Compatibility: MWM & Deutz Engines Utilization The air supply valve effectively supports the requirements of various engines. It is a suitable replacement part that carries the part number 12163418 and is excellently designed for MWM & Deutz engines. Trust in quality that has proven itself over the years.
Air Supply Valve Comparison Number 51125050002Experience outstanding quality with our air supply valve, comparison number 51125050002. This replacement part is specifically designed and compatible with MAN D engines. Weighing only 0.05 kg, this product combines lightweight design and durability, making it perfectly suited for various marine and stationary applications.Reliable OEM Replacement Parts for Your NeedsThe air supply valve, compatible with MAN D, offers you hassle-free functionality and longevity. Unlike aftermarket products, OEM replacement parts stand for the highest precision and quality, ensuring smooth performance of your engines. Rely on the manufacturer, a partner of leading equipment manufacturers, to find the best solutions for your engines.
Air Supply Valve for Efficient EnginesDiscover our air supply valve, a top-quality OEM replacement part, marked with the comparison number 01318402. This product stands for the highest quality standards and precision in the field of engine technology. The air supply valve offers you the optimal solution to run efficiently for MWM & Deutz engines.
Air supply valve suitable for Deutz engines: Efficient solutionThe air supply valve with the comparative number 1457413012 is an essential OEM replacement part specifically designed to optimally support the performance of engines. This product ensures smooth operation of your engines and therefore contributes to efficiency in solutions.Reliable fit for Deutz enginesThis OEM replacement part is suitable for Deutz engines and is a critical component in the overall system. It helps to ensure the excellent functioning of these engines over the long term. Weighing only 0.054 kg, it allows for easy installation and maintenance, effectively minimizing potential disruptions.
Air Supply Valve for Precise Engine ManagementDiscover the air supply valve with the comparison number 604524000001. This product is an important OEM spare part, compatible with Deutz engines, and offers excellent performance that fully meets all requirements in maritime and stationary applications as well as in the field of locomotives. Each OEM spare part we sell undergoes strict quality controls and ensures a solution-oriented acquisition for your engines.Optimal Fit for Deutz EnginesThe air supply valve is specifically designed and compatible with Deutz engines. Weighing only 0.05 kg, it allows for effortless installation and quick response times within the engine. The thoughtful design ensures constant efficiency and durability that you expect from an excellent product.
AIR SUPPLY VALVE with the comparison number 2417413109 suitable for Bosch engines
Air Supply Valve: Quality for Your ApplicationsDiscover our outstanding air supply valve, comparison number 01286698, specifically designed as an OEM replacement part. This product in the category "Valves" offers the highest quality and reliability. The very lightweight valve weighs only 0.05 kg and is suitable for MWM & Deutz engines, making it ideal for various applications in marine and stationary areas.Efficient Performance for Engine SystemsThanks to state-of-the-art manufacturing technologies, our air supply valve ensures optimal performance. This product is an OEM replacement part, compatible with engines suitable for MWM & Deutz. Thus, you benefit from a precise integration into your existing systems while significantly enhancing the efficiency of your engines.
Air Supply Valve for Various ApplicationsDiscover our Air supply valve with the comparison number 2417413033. This OEM spare part stands out due to its excellent workmanship and reliability. It is optimally tailored to the specific requirements of suitable for Deutz engines and ensures smooth operation. Weighing only 0.047 kg, it integrates effortlessly into various constructions while supporting performance.Custom Work for Demanding RequirementsOur products are subject to strict internal controls to ensure that only the best OEM spare parts are used. This specific Air supply valve is suitable for Deutz engines and provides a high-quality solution for maintenance and service.
AIR SUPPLY VALVE with the comparison number 51111070026 suitable for MAN D engines
AIR SUPPLY VALVE with the comparison number 1 467 445 006 suitable for Bosch engines
AIR SUPPLY VALVE with the comparison number 51111070022 suitable for MAN D engines
Reliable Air Supply Valve for Enhanced Engine PerformanceThe air supply valve (comparison number: XP52718300042) is a premium OEM replacement part designed to meet the demands of engines. This product ensures that your MTU engines can operate efficiently, providing the necessary cost-effectiveness and reliability in challenging applications.Innovative Component Suitable for MTU EnginesWith the comparison number XP52718300042, you can be assured that this air supply valve is perfectly tailored to the needs of your engine. It is specifically designed for MTU engines and demonstrates our commitment to OEM replacement parts that meet the highest standards.
AIR SUPPLY VALVE with the comparison number 81521106097 suitable for MAN D engines
AIR SUPPLY VALVE with the comparison number 8127232 suitable for Volvo/Volvo Penta engines
Air Supply Valve - Perfect for Demanding ApplicationsThe air supply valve with the reference number 01288376 is an indispensable product specifically designed to achieve the highest performance and efficiency. Weighing only 0.07 kg, our air supply valve not only brings lightness but also robustness and reliability, making installation effortless.Suitable for MWM & Deutz EnginesThis OEM replacement part is compatible with MWM & Deutz engines and ensures functionality in all applications. The reference number 01288376 represents a product that meets the demands of professional users in the industry and fulfills the highest standards.
Air Supply Valve – Quality You Can TrustDiscover our air supply valve, marked by the reference number 1417413049. This premium OEM spare part meets the strictest requirements. Weighing 0.067 kg, it optimally enhances the performance of your machines.Efficient Solution for Deutz EnginesThe air supply valve is suitable for Deutz engines and ensures effective flow regulation. This crucial function supports the efficiency of your operations in demanding applications. The quality of our OEM spare parts ensures stability and longevity.
AIR SUPPLY VALVE with the comparison number 81521106062 suitable for MAN D engines
AIR SUPPLY VALVE with the comparison number 84521106018 suitable for MAN D engines
Quality Feature of the Air Supply ValveDiscover our valuable air supply valve with the comparison number 8350700046, which offers excellent performance. This product is categorized under valves and efficiently optimizes applications in engines.Precise Technology with OEM Replacement PartsThe air supply valve is an OEM replacement part, suitable for MTU engines, and ensures excellent functionality. Trust in our expertise and our provision of replacement parts.
Air Supply Valve: Reliable in Every ApplicationDiscover our air supply valve (comparison number: 0000747384), suitable for Deutz engines. This product is an essential OEM replacement part that significantly enhances the efficiency and functionality of your engine. Weighing only 0.05 kg, the air supply valve offers a compact solution that can be easily installed.
Air Supply Valve – Replacement Part for Effective Engine OperationThe air supply valve, also known by the comparison number 644007670026, is an essential OEM replacement part that ensures long-lasting performance and efficiency. Weighing 0.32 kg and with compact dimensions of 7 cm length, 7 cm width, and 3.5 cm height, this product is ideal for use in complex engine systems. Thus, the air supply valve provides reliable operation in flow and pressure regulations.Compatible with MWM & Deutz EnginesThis replacement part is specifically designed for MWM and Deutz engines and enables excellent functionality in industrial applications. Choosing OEM replacement parts, like the air supply valve, is crucial to maintaining the original power of the machines. All components are manufactured to the highest standards, making the use of other, less reliable aftermarket options unnecessary.
AIR SUPPLY VALVE with the comparison number 51111070036 suitable for MAN D engines