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 - N1011000011 suitable for MAN D engines
Threaded union with comparison number N1011000011Discover our threaded union, marked with the comparison number N1011000011. This product from the category fittings and armatures is well-known in the industry for its excellent quality and enables a reliable connection in your applications. Our spare parts offer optimal compatibility and performance.Suitable for MAN D enginesThis threaded union is suitable for MAN D engines and impresses with its precise fit. The use of high-quality materials ensures that the spare part is designed for durable use in demanding environments. Rely on the quality that has already delighted many B2B customers.
SCREW-FITTING UNION - K2981306001 suitable for MAN D engines
Efficient Spare Part for Your NeedsDiscover our screw-fitting union with the comparison number K2981306001, an impressive product from the category fittings and armatures. This OEM spare part offers you quality and durability specifically designed for use in engines.Suitable for MAN D EnginesThis spare part is optimally suited for use in MAN D engines. Fitting for these engines, it meets the requirements of diesel and gas engines precisely and efficiently.
THREADED UNION - K0004146958 suitable for MAN D engines
Threaded union suitable for MAN D enginesOur threaded union with the comparison number K0004146958 is an essential product for your spare parts needs. This threaded union is characterized by the highest precision and is specifically designed to enable optimal connections in engines. Weighing only 0.105 kg, the product is easy to handle and install.
THREADED UNION - K0002243007 suitable for MAN D engines
Threaded union compatible with MAN D - Your OEM spare partThe threaded union with the comparison number K0002243007 is an essential OEM spare part designed for MAN D engines. In the category of fittings and armatures, it is the first choice for professionals who value quality and durability. Weighing just 0.065 kg, this threaded union combines robustness and functionality for demanding use in maritime and stationary applications.
SCREW-FITTING UNION - A5000001113 suitable for MAN D engines
Screw-fitting Union – The Key to Efficient PerformanceThe screw-fitting union (Comparison number: A5000001113) is an essential OEM spare part for your engines. This innovative product ensures a reliable connection in various applications, particularly in maritime and stationary use. Weighing only 0.009 kg, the screw-fitting union is easy to handle and ideal for professional applications.Suitable for MAN D Engines – Quality and EfficiencyOur product is specifically designed for MAN D engines and ensures a seamless replacement. This OEM spare part meets the highest standards and combines functionality with durability. By using the screw-fitting union, you are opting for components that enhance the efficiency of your engines.
THREADED UNION - 99981300461 suitable for MAN D engines
Reliable Threaded Union for EnginesDiscover our Threaded Union, an essential product (comparison number: 99981300461), that is suitable for MAN D engines. This precisely manufactured OEM spare part belongs to the category of Fittings and Armatures. It ensures optimal functionality in marine and stationary applications. Weighing only 0.16 kg, this union offers not only ease of handling but also longevity that you can expect from OEM spare parts.Tailored Solution for MAN D EnginesThe Threaded Union impresses with its exact fit and is suitable for MAN D engines. Thanks to carefully selected materials, it provides a reliable connection and ensures smooth operation of your engines. Rely on the proven quality that only OEM spare parts can offer to optimize the performance of your machinery.
UNION - 915006003001/45 suitable for MTU engines
UNION with the comparison number 915006003001/45 suitable for MTU engines
T-FITTING - 90816113319 suitable for MAN D engines
T-fitting: Comparison Number 90816113319Discover our T-fitting, listed under the comparison number 90816113319. This product belongs to the category of fittings and armatures and is characterized by its excellent craftsmanship. Weighing only 0.002 kg, it combines lightness with functionality, making it ideal for use in various engines.
SCREW CONNECTOR - 90810845201 suitable for MAN D engines
Excellent Screw Connector – Your Spare PartDiscover our screw connector with the comparison number 90810845201 – an essential product for your engine technology. This OEM spare part is suitable for MAN D engines and offers the highest precision and reliability. With a weight of only 0.085 kg, the screw connector impresses with its lightness and robustness, making it ideal for marine and stationary applications.Suitable for MAN D EnginesThe screw connector is specifically designed to create an optimal connection and ensure the functionality of your engines. Compatible with MAN D engines, this component significantly contributes to efficiency. Rely on OEM spare parts to increase the uptime of your systems.
RING UNION - 90810522435 suitable for MAN D engines
Efficient Ring Union for Demanding ApplicationsDiscover our Ring Union (comparison number: 90810522435), the perfect product for applications in diesel and gas engines. This OEM replacement part is suitable for MAN D engines and belongs to the category Fittings and Armatures. Weighing only 0.04 kg, the Ring Union offers easy installation and handling.Quality Through OEM Replacement PartsOur Ring Union represents the highest quality, as we solely distribute OEM replacement parts. The comparison number 90810522435 ensures that you acquire a durable product specifically designed for engines. Trust in the precision and the authentic material properties that your equipment requires.
T-FITTING - 88981810013 suitable for MAN D engines
Precise Selection with Comparison Number 88981810013Discover our T-fitting, an OEM replacement part suitable for MAN D engines. With the comparison number 88981810013, this product ensures the exact fit and top performance you need. As part of the category Fittings and armatures, this T-fitting is indispensable for a reliable connection in your engine system.Lightweight with Solid FunctionalityWeighing only 0.009 kg, the T-fitting is not only lightweight but also provides the necessary robustness for use in demanding environments. As an OEM replacement part, it impresses with original equipment manufacturer quality, giving you the reliability you need for your MAN D engines.
THREADED UNION - 88981810008 suitable for MAN D engines
Threaded union suitable for MAN D enginesDiscover the threaded union with the comparison number 88981810008, an indispensable OEM replacement part for engines used in marine and stationary applications. Thanks to its excellent craftsmanship and precise fit, this product is ideal for your requirements. Weighing only 0.01 kg, installing your new component is a breeze.
T-FITTING - 88981810005 suitable for MAN D engines
T-Fitting for Efficient ApplicationsDiscover our T-fitting (comparison number: 88981810005), an essential product for your machines. This OEM spare part impresses with its quality and is optimally suited for applications in marine and stationary use. Our T-fitting offers you the reliability you need to operate your applications efficiently.
REDUCING UNION - 88981386021 suitable for MAN D engines
Reducing union with comparison number 88981386021 Discover the reducing union with the comparison number 88981386021, the ideal product for applications in the field of engines. This component is suitable for MAN D engines and offers a great solution for your needs in marine and stationary use. Weighing only 0.05 kg, the reducing union combines lightness and robustness to meet the demands of your machines.OEM replacement parts for reliable performance This reducing union is an OEM replacement part that meets the highest standards of manufacturers. This means for you: excellent quality and precision. The product supports optimal performance of your engines, suitable for MAN D, and ensures durability and reliability in various applications. Rely on the proven performance of our offering to maximize the efficiency of your machines.
SCREW-FITTING UNION - 88981386019 suitable for MAN D engines
Screw-fitting union – Your Ideal ProductDiscover our screw-fitting union with the reference number 88981386019. This OEM replacement part belongs to the category of fittings and armatures and is specifically designed for use in marine and stationary applications. Weighing only 0.1 kg, the screw-fitting union is both lightweight and functional, making it the right choice for demanding engine projects.Suitable for MAN D EnginesOur screw-fitting union is suitable for MAN D engines and enables easy and secure installation. As an OEM replacement part, it provides the reliability and quality you can expect from products bearing this designation. Rely on the proven expertise of MOPA Motorparts and maximize the efficiency of your engines with this product.
SCREW CONNECTOR - 88981300202 suitable for MAN D engines
Powerful Screw Connector ProductDiscover our screw connector product with the comparison number 88981300202. This precise OEM spare part is tailored to work optimally with MAN D engines. Thanks to its robust construction, it provides the necessary reliability and efficiency that you can expect from a spare part. Weighing only 0.08 kg, this product meets the requirements for the optimal operation of your engines.Suitable for MAN D Engines: Precise FittingsThe screw connector is suitable for MAN D engines and represents an essential element in the category of fittings and armatures. The premium workmanship and thoughtful design ensure that the spare part integrates seamlessly into your existing engine infrastructure. By using our OEM spare parts, you can rely on outstanding performance and longevity.
SCREW CONNECTOR - 88981300201 suitable for MAN D engines
Precise Screw Connector for Various ApplicationsDiscover our screw connector (comparison number: 88981300201), suitable for MAN D engines. This product belongs to the category fittings and armatures and stands for quality and reliability in demanding applications. Weighing only 0.01 kg, it simplifies handling while being robust enough for marine and stationary use.
THREADED UNION - 88981300051 suitable for MAN D engines
Excellent Threaded Union for Your Application The threaded union with the comparison number 88981300051 offers you the quality you expect from an OEM replacement part. This product is precisely manufactured and crucial for the functionality of your engines.Performance for MAN D Engines The OEM replacement part is suitable for MAN D engines and ensures efficient operation. By using this threaded union, you ensure that your machines operate optimally.
REDUCING UNION - 88981300043 suitable for MAN D engines
Efficient Spare Part: Reducing UnionDiscover the reducing union with the comparison number 88981300043, an excellent OEM spare part. This product belongs to the category "Fittings and armatures" and offers a precise fit for your systems. Weighing only 0.03 kg, it is perfectly suited for applications in marine and stationary engines.Suitable for MAN D EnginesThis reducing union is suitable for MAN D engines and ensures that all components work together optimally. Thanks to its careful processing, this OEM spare part offers durability and efficiency. Rely on this product to significantly enhance the performance of your engines.
REDUCING UNION - 88981300042 suitable for MAN D engines
Reducing Union for Reliable EnginesDiscover the reducing union with the comparison number 88981300042 – an essential product specifically designed to optimize the performance of your machines. This reducing union belongs to the group of fittings and armatures and offers an excellent fit. Weighing only 0.05 kg, it provides both stability and lightness.
REDUCING UNION - 88981300040 suitable for MAN D engines
Excellent Quality for Your EnginesThe reducing union with the reference number 88981300040 is an essential OEM spare part that has been specially designed for high-performance applications in marine and stationary technology. This product belongs to the category of fittings and armatures and provides a reliable connection for engines. The union is suitable for MAN D engines and impresses with its precise workmanship.
THREADED UNION - 88981300031 suitable for MAN D engines
Perfect Threaded Union for EnginesThe threaded union with the comparison number 88981300031 is an essential product for the operation of engines. This fittings and armatures item is an OEM replacement part that meets the highest standards. It is suitable for MAN D engines and offers excellent fit accuracy, ensuring your engines run reliably.
THREADED UNION - 88981300028 suitable for MAN D engines
Optimal Performance for Diesel and Gas EnginesDiscover our threaded union, a reliable OEM replacement part that offers you the best performance for your technology. With the comparison number 88981300028, this product is specifically designed as a threaded union to meet the demands of your engines. This component weighs only 0.15 kg, making it lightweight and easy to handle.Suitable for MAN DOur threaded union is suitable for MAN D engines and ensures that your machines operate efficiently. Every OEM replacement part undergoes rigorous quality controls to ensure the performance and durability required for marine and stationary applications. Trust that your engine will run reliably with our product.
REDUCING UNION - 88981300027 suitable for MAN D engines
Reliable Reducing Union for MAN D EnginesDiscover the reducing union with the comparison number 88981300027, suitable for MAN D engines. This fittings and armatures accessory is essential for the smooth operation of engines in both maritime and stationary applications. Weighing only 0.2 kg, this product offers an optimal combination of lightness and stability.
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.