Fittings – connection components for engines & systems
Fittings are essential elements in engine systems, industrial machinery and marine environments. As mechanical connection points, they ensure tight, durable and vibration-resistant links between components. Whether you're dealing with marine fittings for boats or engine fittings for industrial motors, high-quality fittings are critical for maintaining operational safety and performance.
THREADED UNION - 81920102001 suitable for MAN D engines
Threaded Union: Reliable Replacement Part for EnginesDiscover our product, the threaded union with the comparison number 81920102001. This OEM replacement part is designed to effectively meet the needs of engines in marine and stationary applications. The union is an essential component of your motorized systems, providing you with performance and durability.Designed for MAN D EnginesThe threaded union is specifically designed for MAN D engines. Weighing just 0.02 kg, the installation of this effective component is exceptionally simple. Rely on our OEM replacement parts, which harmonize optimally with your existing engine technology, thus providing maximum efficiency.
THREADED UNION - 81920100050 suitable for MAN D engines
Excellent Threaded Union for Your Technical ApplicationsDiscover the threaded union with the comparison number 81920100050 – an indispensable product for your engines with outstanding fit. This OEM spare part is offered suitable for MAN D engines. Weighing only 0.04 kg, the threaded union is not only lightweight but also robust enough for demanding applications in marine and stationary technology.Quality According to OEM StandardsThese OEM spare parts are specifically designed to meet the requirements of original manufacturers. The threaded union with the comparison number 81920100050 offers you the reliability you need for your MAN D engines. Each product is designed for maximum efficiency to minimize the risk of failures.
ARMATURE - 81908200160 suitable for MAN D engines
Quality and Availability: Armature for MAN D EnginesDiscover our armature (comparison number: 81908200160), an innovative OEM replacement part specifically designed to optimally harmonize with engines suitable for MAN D. Weighing only 0.002 kg, this product offers both lightness and excellent performance in marine and stationary applications.Rely on OEM Replacement Parts for Effective SolutionsAs an OEM replacement part, the armature (comparison number: 81908200160) meets the highest standards of fit and functionality. We have years of experience in providing replacement parts for diesel and gas engines. This product is specifically suitable for MAN D engines and meets all safety and efficiency requirements in demanding environments.
THREADED UNION - 81906850181 suitable for MAN D engines
Threaded union with comparison number 81906850181Our threaded union with the comparison number 81906850181 is the ideal solution for demanding applications. As an OEM replacement part, this product offers excellent fit and reliability. Weighing just 0.02 kg, the threaded union allows for easy installation and is perfectly suited to optimally support engines.Optimal solution for MAN D enginesThis product is suitable for MAN D engines and ensures that quality and functionality exceed your expectations. The use of OEM replacement parts ensures you achieve the best characteristics and performance for your engines. Rely on the threaded union to effectively support your applications.
SCREW CONNECTOR - 81904900125 suitable for MAN D engines
Quality Product: Screw ConnectorDiscover our screw connector, an OEM replacement part identified by the comparison number 81904900125. This product is an essential component compatible with MAN D engines. Thanks to its precise manufacturing, the screw connector meets the highest standards and ensures durability that you expect from an OEM replacement part.Advantages of OEM ComponentsChoosing OEM replacement parts is a safe choice. Our screw connector impresses with identical quality to the manufacturer, meaning you can rely on durability and long lifespan. Compatible with MAN D engines, this screw connector offers excellent performance and thus protects your investment in engines.
SCREW-FITTING UNION - 81785406008 suitable for MAN D engines
Optimal Solution for Marine ApplicationsDiscover the screw-fitting union with the comparison number 81785406008, an essential OEM spare part that is perfectly suited for your needs in marine and stationary engines. This fitting ensures a perfect fit and provides efficient performance.Top Quality for Your EnginesOur product is designed as an OEM spare part and stands for the highest quality. The component is compatible with MAN D engines and ensures reliability and longevity in your drive system. Rely on the excellent workmanship and powerful design.
THREADED UNION - 81779720098 suitable for MAN D engines
Efficient Threaded Union for Excellent Engine ApplicationsThe threaded union with the comparison number 81779720098 is an essential OEM spare part specifically designed for use in engines. This product belongs to the category of Fittings and Armatures and is the ideal choice for a reliable connection in your engine system. Weighing only 0.125 kg, the threaded union offers an excellent combination of stability and lightness, making it suitable for a wide range of applications in marine and stationary use.
T-FITTING - 81779715125 suitable for MAN D engines
Versatile T-Fitting for Your EnginesDiscover our T-fitting with the comparison number 81779715125 – an essential product for anyone in need of a reliable spare part. This OEM spare part is specifically designed for engines used in marine and stationary applications. Weighing only 0.485 kg, it ensures easy handling while delivering the quality you expect.Precise Fit for EnginesOur T-fitting is suitable for MAN D engines and belongs to the category of fittings and armatures. Every OEM spare part we sell undergoes strict quality control to ensure it meets the requirements of your applications. Rely on our materials and excellent workmanship, which ensure long-lasting performance.
SCREW CONNECTOR - 81779710040 suitable for MAN D engines
Discover Screw Connector for MAN D EnginesDiscover the screw connector with the comparison number 81779710040, an essential product designed for MAN D engines. This item belongs to the group of fittings and armatures and offers consistent performance in the marine and stationary industry.OEM Spare Parts for Your NeedsOur screw connector, an OEM spare part, provides the security you need for critical components. Compared to aftermarket products, our OEM spare part impresses with precise fit and the highest quality that can only be offered by the equipment manufacturer.
THREADED UNION - 81779645090 suitable for MAN D engines
Efficient Threaded Union - Your Engine ComponentDiscover the threaded union with the comparison number 81779645090, a top-quality product designed for optimal performance in your engines. This OEM replacement part is ideal for enhancing the efficiency of your engines and features a well-thought-out design. Weighing only 0.3 kg, the threaded union is lightweight yet extremely stable.
THREADED UNION - 81779605591 suitable for MAN D engines
Innovative Threaded Union for MAN D EnginesDiscover our innovative product, the threaded union, which is designated with the part number 81779605591. This specific component is perfectly suitable for diesel and gas engines found in various applications. As an OEM replacement part, the threaded union is designed to fit MAN D engines, making it an ideal addition to your engines.Reliable Quality from Premium MaterialsWeighing only 0.026 kg, the threaded union offers not only solid robustness but also effortless handling. Our OEM replacement parts provide optimal performance while ensuring long service life. Rely on the expertise that only an established provider in the engine parts sector can offer.
T-FITTING - 81779500083 suitable for MAN D engines
Excellent OEM Replacement Part for Your EnginesThe T-fitting with the comparison number 81779500083 is an OEM replacement part specifically designed for diesel and gas engines. This product offers quality and reliability in various applications, ideal also for marine use.Suitable for MAN D – Optimal CompatibilityThe T-fitting is suitable for MAN D engines and ensures excellent fit. At MOPA Motorparts, we offer you this important component that meets strict quality standards. Rely on the functionality of this product to efficiently support your systems.
FLANGED UNION 55 MM - 81779500059 suitable for MAN D engines
Premium Flanged Union for EnginesDiscover the flanged union with the comparison number 81779500059, an essential OEM replacement part from the category of fittings and armatures. This product is offered suitable for MAN D engines and ensures optimal performance. Weighing only 0.05 kg, the flanged union is lightweight and user-friendly to install.
THREE-WAY COCK - 81779500032 suitable for MAN D engines
Reliable Product for MAN D EnginesDiscover our custom product, the Three-way cock with the comparison number 81779500032, ideal for use in MAN D engines. This OEM spare part is perfectly suited for the demanding requirements in marine and stationary applications. The precisely crafted Three-way cock weighs 0.779 kg, ensuring reliable control of the medium flow.
FLANGED UNION - 81779156093 suitable for MAN D engines
Flanged Union: Quality for Your ApplicationsDiscover our flanged union, the product with the comparison number 81779156093. This spare part has been specially designed to harmonize optimally with MAN D engines and belongs to the category of fittings and armatures. Weighing only 0.15 kg, this product offers easy handling without compromising on performance.OEM Spare Parts for MAN D EnginesThe flanged union is an OEM spare part that meets high-quality standards. Thanks to its excellent craftsmanship, this spare part is suitable for MAN D engines and ensures that your applications run reliably and efficiently. Rely on the tested original equipment quality that provides you with safety and durability without losing sight of costs.
T-FITTING - 81779156048 suitable for MAN D engines
T-fitting for Excellent Engine PerformanceDiscover our T-fitting, identified by the comparison number 81779156048. This product is an essential element of fittings and armatures that is needed wherever reliable engine performance matters. Weighing only 0.35 kg, it is easy to install and optimally designed for applications in marine and stationary areas.
UNION - 81779155133 suitable for MAN D engines
Union with Comparison Number 81779155133Discover the Union with the comparison number 81779155133, a reliable OEM spare part designed specifically for the demands of engines. This product belongs to the category of fittings and armatures and is ideal for professional applications in the field of diesel and gas engines.
UNION - 81779155131 suitable for MAN D engines
Reliable Union Suitable for MAN D EnginesDiscover the Union with the comparison number 81779155131, an essential OEM spare part for your specific needs. This product is ideal for optimizing the efficiency and performance of engines in marine and stationary applications. Weighing 1.56 kg, this component suitable for MAN D engines ensures stability and reliability.Quality Through OEM Spare PartsWe exclusively offer OEM spare parts that meet the highest standards. The comparison number 81779155131 ensures that you receive a suitable product for your requirements. In our extensive selection of over 1 million spare parts, you will find exactly what you need for your MAN D engine. Trust our years of experience in the industry.
FLANGED UNION - 81779155074 suitable for MAN D engines
Optimal Flanged Union for Efficient UseExperience the flanged union with the comparison number 81779155074, designed for the highest demands in marine and stationary applications. As a top-class product from the category fittings and armatures, it combines efficiency with reliability. Weighing 0.385 kg, the flanged union features effortless installation and ensures a durable connection that is essential for your engines.Precision through OEM Replacement PartsThis flanged union is an OEM replacement part, compatible with MAN D engines, and offers the exact quality you would expect from a manufacturer. Rely on the precision and robustness of this replacement part, which has been specifically developed for professional use to optimally support your engines.
FLANGED UNION - 81779154034 suitable for MAN D engines
Qualitatively Processed Flanged Union for MAN D EnginesDiscover the flanged union with comparison number 81779154034, an essential OEM replacement part specifically designed for your needs in marine and stationary engine technology. Weighing only 0.29 kg, this flanged union combines functionality with reliability. The product is suitable for MAN D engines and meets the highest standards of the manufacturers.
UNION - 81779152343 suitable for MAN D engines
Premium Product for Efficient ApplicationsDiscover our product, the Union, with the comparison number 81779152343. This essential replacement part belongs to the category Fittings and armatures and is specially designed to deliver optimal performance. Weighing only 0.24 kg, the Union meets high quality standards and is indispensable for your engines.
UNION - 81779150442 suitable for MAN D engines
Premium Union with comparison number 81779150442 Discover our product, the Union, with the comparison number 81779150442, compatible with MAN D engines. This OEM replacement part impresses with the highest precision and is designed to optimize the performance of your engines.
UNION - 81779150432 suitable for MAN D engines
Quality and Reliability of the UnionDiscover the Union with the comparison number 81779150432, a high-quality OEM spare part that is crucial for the performance of your suitable for MAN D engines. This product convinces with its original equipment quality and offers you the reliability you need.Precision Processing for Suitable SolutionsThis spare part is suitable for MAN D engines and ensures a perfect fit. As a provider of OEM spare parts, we ensure that our quality meets the highest standards, thereby supporting the longevity of your engines.
UNION - 81779150397 suitable for MAN D engines
Union suitable for MAN D enginesDiscover the Union with the comparison number 81779150397, an essential OEM replacement part designed for MAN D engines. This product belongs to the product category Fittings and armatures and offers you the precision needed for the optimal function of your engine.
Function and benefits
Fittings serve as interfaces between hoses, pipes, housings and mechanical units. In engine systems, reliable engine fittings guarantee that fluids, gases and mechanical forces are securely transferred. Typical benefits of using precision-engineered fittings include:
- Secure and leak-free connections even under high pressure
- Resistance to corrosion, vibration and thermal stress
- Compatibility with various systems – from engines to pumps and cooling circuits
In marine environments, fittings must additionally withstand saltwater exposure and continuous load changes, making marine fittings a category of their own in terms of robustness and reliability.
Types and applications of engine and marine fittings
The category of fittings includes threaded connectors, quick couplings, hose connectors, elbows and T-pieces. Depending on the application, these are used in fuel systems, lubrication circuits, hydraulic control systems or exhaust units. In marine settings, boat fittings must also meet international safety and classification standards.
Engine fittings are commonly integrated in high-load environments such as diesel engines, gas turbines and power units. These fittings must be both dimensionally precise and material-optimized to support system pressure and dynamic loads.
Materials and design features
Fittings are typically made from stainless steel, brass, aluminum or composite materials. In some cases, coatings are applied to improve resistance to corrosion or abrasion. Boat fittings, in particular, are often anodized or sealed for protection against marine conditions.
Advanced design features such as O-ring grooves, reinforced walls or vibration dampers improve the safety and lifespan of engine fittings. Depending on the system, fittings may also be part of quick-connect modules or modular armature systems used in motors and armatures.
Replacement and availability
Over time, fittings can become worn or corroded, especially in aggressive environments or under constant pressure. For safety-critical systems such as marine engines, timely replacement is crucial. We supply a broad range of fittings suitable for MTU, Deutz, MAN, Volvo Penta, and MWM engine types.
Whether you're working with engine fittings, boat fittings or components related to motors and armatures, our warehouse ensures fast availability and OEM-level compatibility. Each engine armature or connection unit is carefully selected for durability and ease of installation.
Questions and answers
What is fittings?
Fittings are mechanical components used to connect pipes, hoses or structural elements in engines, industrial systems and marine applications. They are designed to ensure tight, secure and durable connections and are available in many shapes, sizes and materials.
How do fittings work?
Fittings work by mechanically joining two components, often using threads, clamps or pressure seals. In engines and motors, engine fittings maintain the integrity of fluid and air systems, while in boats and ships, marine fittings are essential for safe and corrosion-resistant connections. In the context of motor armatures, fittings help align and stabilize moving parts within dynamic systems.