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.
SCREW CONNECTOR - 85300019569 suitable for MAN D engines
Screw Connector: Your Reliable ProductDiscover our screw connector with the comparison number 85300019569, an important component in the category of fittings and armatures. This product is specifically designed and suitable for MAN D engines. With a weight of only 0.06 kg, the screw connector offers practical handling and easy installation.Quality for EnginesOur screw connector is an OEM replacement part that meets strict quality standards. As an OEM replacement part, it ensures reliable performance and durability, which are essential for demanding applications in marine and stationary engines as well as locomotives. Trust in the quality that is of great importance for engines.
UNION - 85300018490 suitable for MAN D engines
Successful Spare Part: Union with Comparison Number 85300018490Discover the effective product Union, an OEM spare part with the comparison number 85300018490. This fitting has been specifically designed to meet the requirements of your engines. By using top-quality materials, we ensure that every spare part meets the highest quality standards and provides a long service life. Trust our expertise in the industry!Optimal Fit for MAN D EnginesThe Union fits perfectly for MAN D engines and gives you the assurance that it can be seamlessly integrated into your systems. Weighing only 0.01 kg, this product allows for easy handling without compromising on stability. Optimal fit is important to maximize the efficiency of your engines.
UNION - 85300018489 suitable for MAN D engines
Efficient Spare Part: Union with Comparison Number 85300018489The Union with the comparison number 85300018489 is an essential OEM spare part specifically designed to meet the requirements for engines in marine and stationary applications. This product weighs only 0.02 kg and is ideally suited for various applications.Suitable for MAN D EnginesThis OEM spare part is suitable for MAN D engines and ensures smooth functionality. As the manufacturer, we ensure that our Union meets the highest quality standards and provides you with sustainable performance.
UNION - 85300018488 suitable for MAN D engines
OEM Replacement Part – Union with Comparison Number 85300018488 Discover our product, the Union, with the comparison number 85300018488. This OEM replacement part belongs to the product group Fittings and armatures and offers excellent fit. Weighing only 0.02 kg, this Union is not only lightweight but also straightforward to use.Union Suitable for MAN D Engines The Union is suitable for MAN D engines and provides reliable performance that you would expect from a manufacturer's product. Our years of experience in supplying OEM replacement parts ensure you receive a product of the highest quality.
RING UNION - 85300018126 suitable for MAN D engines
Optimal Performance with the Ring UnionThe ring union with the comparison number 85300018126 is an outstanding OEM replacement part. This item belongs to the category Fittings and armatures and, with a weight of only 0.08 kg, is the ideal addition for your engines. Its precise design ensures that your machines operate efficiently at all times.
UNION - 85300017069 suitable for MAN D engines
Union suitable for MAN D engines – Your reliable productDiscover the Union with the comparison number 85300017069 – the ideal OEM replacement part suitable for MAN D engines. This component belongs to the category of Fittings and armatures and stands out due to its precise fit. Weighing only 0.01 kg, this Union is not only lightweight but also effective for marine and stationary applications.Rely on our OEM replacement partsOur OEM replacement parts, such as the Union with the comparison number 85300017069, offer excellent quality that you will appreciate when maintaining your engines. As a compatible component for MAN D engines, they ensure that your machines operate smoothly. Benefit from the reliability and durability that our products provide.
T-UNION - 85300017050 suitable for MAN D engines
T-Union – Efficient Spare Part for Your EnginesDiscover the T-union, a top-class OEM spare part with the reference number 85300017050, specifically designed to optimize engine performance. Weighing only 0.06 kg, you can rely on the durability and reliability of this product.Precise Fit for MAN D EnginesThe T-union is suitable for MAN D engines and impresses with its precise fit. This spare part ensures optimal flow and a smooth connection, which is essential for the efficiency of your machines. Benefit from our over 25 years of experience in engine equipment and secure the best solutions for your applications.
T-UNION - 85300017048 suitable for MAN D engines
T-union with Reference Number 85300017048Discover the T-union that is perfectly suited to optimize the performance of your engines. The reference number 85300017048 identifies this top-quality OEM spare part, providing you with the reliability you need. This fitting, also known as Fittings and armatures, plays a critical role in marine and stationary applications.
T-UNION - 85300017042 suitable for MAN D engines
T-Union: Quality for Your EnginesDiscover the T-union (comparison number: 85300017042), an essential OEM spare part designed to fit MAN D engines. This product offers excellent accuracy and optimal functionality in your high-performance diesel and gas engines. Weighing only 0.06 kg, installation is easy and straightforward.Original Equipment Manufacturer Productivity for Your NeedsOur fittings and armatures are distinguished by their excellent craftsmanship in original equipment manufacturer quality. The OEM spare part provides you with maximum reliability and durability, allowing you to maintain your machines without compromise. Benefit from the advantages that this T-union brings to your engines.
T-UNION - 85300017041 suitable for MAN D engines
Robust T-union for Reliable UseDiscover the T-union with the comparison number 85300017041, an essential product for your engines. This fitting is suitable for MAN D engines and ensures a reliable connection in diesel and gas engines used in maritime as well as stationary applications. Weighing only 0.14 kg, it provides optimal efficiency.
UNION - 85300017040 suitable for MAN D engines
Union with Comparison Number 85300017040Our union with the comparison number 85300017040 is an indispensable OEM replacement part, specifically designed to optimize the performance of your systems. This product is ideally suited for marine and stationary applications. The union weighs only 0.09 kg and can be effortlessly integrated into existing systems.Suitable for MAN D EnginesThis replacement part is suitable for MAN D engines and provides you with the fit and reliability you need for the maintenance of your engines. Our OEM replacement parts meet high standards and are characterized by their quality.
UNION - 85300017039 suitable for MAN D engines
Union with Comparison Number 85300017039The union, with the comparison number 85300017039, is an essential OEM replacement part for your engines. This product ensures exceptional performance and durability, whether used in marine or stationary applications. Weighing only 0.01 kg, the union is ideally suited to meet the demands of modern technologies.Perfectly Compatible with MAN D EnginesThis OEM replacement part is specifically designed for MAN D engines. Through careful manufacturing and the quality of our parts, we ensure that they can be seamlessly integrated into your existing system. Rely on our many years of experience with engines from leading manufacturers such as MWM, Mercedes-Benz, Deutz, MAN, Volvo, MTU, Bosch, and Detroit Diesel.
T-UNION - 85300017031 suitable for MAN D engines
Precise T-Union with comparison number 85300017031The T-union with the comparison number 85300017031 is an extremely functional product specifically designed for use in engines. This OEM replacement part offers a perfectly tailored fit, ideal for various applications in diesel and gas engines. Weighing only 0.07 kg, the T-union impresses with its lightweight and robustness.
T-UNION - 85300017030 suitable for MAN D engines
T-Union: Efficient Component for Robust ApplicationsDiscover the T-union with the comparison number 85300017030, specifically designed for your needs. This OEM replacement part is part of the fittings and armatures and offers you the optimal solution for a tight connection in demanding applications. Weighing only 0.08 kg, this product is not only lightweight but also highly effective.
T-UNION - 85300017029 suitable for MAN D engines
Excellent: Our T-unionExperience the quality of our T-union with comparison number 85300017029. This high-quality product belongs to the category Fittings and armatures and is an essential OEM spare part for your needs. The T-union is particularly robust and ideally suited for use in diesel and gas engines.Optimal Fit for MAN DThe T-union is compatible with MAN D engines and stands out due to its high precision fit. Weighing only 0.06 kg, this product offers an ideal solution for marine and stationary use. Rely on reliable OEM spare parts that sustainably enhance the performance of your engines.
T-UNION - 85300017028 suitable for MAN D engines
Reliable T-Union for Demanding ApplicationsThe T-union with the reference number 85300017028 is an outstanding product specifically designed for use in engines. It belongs to the category of Fittings and Armatures and offers an optimal solution for technical requirements.Suitable for MAN D EnginesThis OEM replacement part is suitable for MAN D engines and provides an excellent connection. Each product is tested under strict internal controls to ensure quality and durability.
UNION - 85300017026 suitable for MAN D engines
Precise Size: Union with Comparison Number 85300017026Discover the union with the comparison number 85300017026, an essential product from the category Fittings and armatures. This OEM replacement part ensures an excellent fit and high quality that you can expect from manufacturers. Weighing only 0.04 kg, the union is easy to install and handle.
T-UNION - 85300017024 suitable for MAN D engines
T-union compatible with MAN D enginesDiscover the T-union with the comparison number 85300017024 – an essential product specifically designed to reliably meet the requirements of engines. As an OEM replacement part, it offers the best quality and perfect fit. Weighing only 0.15 kg, the T-union allows for effortless installation in various applications.Optimal fit for special applicationsOur T-union is suitable for MAN D engines and belongs to the category of fittings and armatures. It meets the stringent requirements of the industry and ensures that your engine operates efficiently. You can rely on the durability and precise fit of this OEM replacement part.
UNION - 85300017023 suitable for MAN D engines
Union with Comparison Number 85300017023Discover the Union with the comparison number 85300017023, an important spare part for the optimal function of your engines. This product belongs to the Fittings and armatures category and has been specifically developed to meet the requirements of engines in marine and stationary applications. Weighing only 0.05 kg, the Union is easy to handle and install.
UNION - 85300017021 suitable for MAN D engines
Reliable Union for Your ApplicationsDiscover our Union with the comparison number 85300017021, a premium OEM spare part that is suitable for MAN D engines. This product belongs to the fittings and armatures category and is perfect for applications in the maritime and stationary sectors. Weighing only 0.06 kg, this Union combines lightness with durability and robustness.
UNION - 85300017020 suitable for MAN D engines
Product Information for the Union with Comparison Number 85300017020Discover the product, the Union with the comparison number 85300017020. This reliable OEM spare part belongs to the category Fittings and armatures and is specifically designed to optimally support engines. Weighing only 0.06 kg, this product is carefully crafted for easy handling and installation.OEM Spare Parts for Industrial ApplicationsThe Union is suitable for MAN D engines and offers perfect fit accuracy. As a provider of OEM spare parts, we ensure quality at attractive prices. Our goal is to provide you with the best solutions for your diesel and gas engines, so your machines always perform at their best.
UNION - 85300017017 suitable for MAN D engines
Excellent Quality: Union with Comparison Number 85300017017Discover the Union with the comparison number 85300017017, specifically designed to create a reliable connection in MAN D engines. This OEM replacement part is ideal for applications in demanding environments and is excellent for use in marine and stationary engines. Weighing only 0.04 kg, this product impresses with its user-friendliness and efficiency.
T-UNION - 85300017014 suitable for MAN D engines
T-union suitable for MAN D enginesDiscover the T-union with the comparison number 85300017014, an essential product from the category Fittings and armatures. This top-quality OEM spare part is specifically designed to enable a reliable connection. Weighing only 0.04 kg, this product is ideal for applications in marine and stationary propulsion systems.
UNION - 85300017013 suitable for MAN D engines
Precise and Reliable Solution for Your ApplicationsDiscover our top-notch product – the Union with the comparison number 85300017013. This spare part is suitable for MAN D engines and ensures optimal performance of your machines. Weighing only 0.02 kg, this Union is not only lightweight but also extremely useful for various applications.OEM Spare Parts for Maximum EfficiencyOur OEM spare parts are characterized by original equipment manufacturer quality at competitive prices. The spare part, suitable for MAN D, ensures a precise fit and reliability necessary for diesel and gas engines in marine and stationary applications. Trust MOPA Motorparts and maximize the efficiency of your engines with this specific Union.
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.