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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.

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SCREW-FITTING UNION - 5249972372 suitable for MTU engines

SCREW-FITTING UNION - 5249972372 suitable for MTU engines

Optimal Screw-fitting Union for More Effective ApplicationsThe screw-fitting union with the comparison number 5249972372 is a top-quality product in the category of fittings and armatures. This component is designed for optimal use in engines suitable for MTU engines and provides a reliable connection.Quality with OEM Replacement Part ComparisonThis OEM replacement part represents the highest quality standards. The use of this screw-fitting union optimizes the performance of your engines. Unlike aftermarket parts, our product offers durability and functionality due to its origin from a high-quality manufacturer.

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SCREW-FITTING UNION - 5249972172 suitable for MTU engines

SCREW-FITTING UNION - 5249972172 suitable for MTU engines

Exclusively for Fittings and Armatures – Product DetailsThe Screw-fitting union with the reference number 5249972172 belongs to our specialized product group of fittings and armatures. This practical OEM spare part weighs only 0.123 kg and is particularly easy to handle. It is optimally designed for applications to meet your specific requirements in marine and stationary use.Suitable for MTU EnginesOur OEM spare part is suitable for MTU and ensures a precise fit and interoperability with the corresponding MTU engines. The reference number 5249972172 ensures correct identification, allowing you to find the necessary product effortlessly.

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UNION - 5249971972 suitable for MTU engines

UNION - 5249971972 suitable for MTU engines

Discover the union with comparison number 5249971972The union with the comparison number 5249971972 is an outstanding product from the category Fittings and armatures. This OEM replacement part meets the highest quality standards and is suitable for MTU engines. Weighing only 0.05 kg, the union offers not only robustness but also a reliable solution for your engine needs.Precision and Durability for EnginesThe OEM replacement part ensures that your MTU engines operate in excellent condition. The craftsmanship and material quality allow for a long lifespan and optimal performance of your engine. Rely on the reliability of this product to secure the efficiency of your machines and to avoid costly failures.

Sale price: €91.07Regular price:€101.19(10% saved)
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UNION - 5249971772 suitable for MTU engines

UNION - 5249971772 suitable for MTU engines

Robust Union for Reliable ApplicationsThe Union with comparison number 5249971772 is an essential OEM spare part that is ideally categorized under Fittings and armatures. This product weighs only 0.113 kg and is excellently suited for installation in challenging environments. Its robust features make this Union a trusted choice for everyday applications.

Sale price: €190.86Regular price:€212.07(10% saved)
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UNION - 5249971672 suitable for MTU engines

UNION - 5249971672 suitable for MTU engines

Robust Product with Comparison Number 5249971672Experience the union with the comparison number 5249971672, an indispensable OEM replacement part specifically designed for your needs. Weighing 69 kg, this fitting and armature combines comfortable handling and efficient performance, ensuring maximum efficiency in maritime and stationary applications.Suitable for MTU Engines - Ideal SolutionThis union is suitable for MTU engines and offers excellent fit and functionality. By using OEM replacement parts, you can significantly extend the lifespan and efficiency of your engines. Rely on the quality of MOPA Motorparts products and know that you are getting the best parts for your applications.

Sale price: €39.35Regular price:€43.72(10% saved)
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UNION - 5249971472 suitable for MTU engines

UNION - 5249971472 suitable for MTU engines

Union 5249971472: Your Solution for MTU EnginesDiscover our product, the union with the comparison number 5249971472, which is ideally suited for use in MTU engines. This important component of the fittings and armatures group ensures precise functionality and is particularly lightweight at just 0.05 kg. It is an OEM spare part that offers high reliability, thus maintaining the performance standard expected by the manufacturer.

Sale price: €116.94Regular price:€129.94(10% saved)
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SCREW-FITTING UNION - 5249971372 suitable for MTU engines

SCREW-FITTING UNION - 5249971372 suitable for MTU engines

Reliable Screw-fitting Union for Demanding ApplicationsDiscover the screw-fitting union with the comparison number 5249971372. This product belongs to the category fittings and armatures and provides a reliable connection for various applications. The screw-fitting union weighs 13.3 kg and ensures stability and durability in marine and stationary environments.Perfectly Suitable for MTU EnginesThe OEM replacement part is designed to fit MTU engines. As OEM replacement parts, our products impress with their quality and are specifically tailored to the requirements of engine manufacturing. Trust our expertise in providing solutions for engines, whether in stationary or maritime applications.

Sale price: €18.16Regular price:€20.18(10% saved)
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SCREW-FITTING UNION - 5249971272 suitable for MTU engines

SCREW-FITTING UNION - 5249971272 suitable for MTU engines

Robust Screw-fitting Union for ComponentsDiscover our OEM replacement part with the comparison number 5249971272 – a durable screw-fitting union specifically designed to ensure functionality and efficiency for engines. This product is essential for those who value outstanding quality and want to provide the best accessories for their engines.Customized Solution for Your ApplicationsOur screw-fitting union is suitable for MTU engines and offers reliable performance in demanding applications. Weighing 21.9 kg, this product is robust and long-lasting, ideal for marine and stationary applications, as well as for locomotives. Trust in the quality of the OEM replacement parts we offer to extend the lifespan of your engines.

Sale price: €65.61Regular price:€72.90(10% saved)
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UNION - 5249970572 suitable for MTU engines

UNION - 5249970572 suitable for MTU engines

Professional OEM Spare Part for Your EnginesDiscover our product, the Union (comparison number 5249970572), suitable for MTU engines. This OEM spare part, weighing 145 kg, enables seamless integration into your engine systems. Our range of fittings and armatures ensures top performance for your diesel or gas-powered engines.Union – Optimal Solution for MTU EnginesThe Union (comparison number 5249970572) is the optimal solution for engines and meets the demanding quality requirements for marine and stationary equipment. This component is specifically designed to promote the longevity and efficiency of your drives.

UNION - 5249970472 suitable for MTU engines

UNION - 5249970472 suitable for MTU engines

Optimal Spare Part Suitable for MTU EnginesDiscover our effective spare part suitable for MTU engines – the Union with the comparison number 5249970472. This spare part stands out due to its premium quality and ensures a reliable connection, which is essential both in marine and stationary applications. Weighing 65 kg, this Union provides the necessary stability to withstand demanding conditions.OEM Quality in Every DetailOur spare parts offer the characteristic quality that is precisely tailored to the specific requirements of the application. They are designed to be durable and to support the best functionality of your engine. Trust our carefully selected products to achieve optimal performance and efficiency.

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UNION - 5249970372 suitable for MTU engines

UNION - 5249970372 suitable for MTU engines

Retrofit items suitable for MTU enginesDiscover our Union (comparison number: 5249970372), an essential OEM spare part that ensures the flawless operation of your MTU engines. Weighing 25 kg, the Union offers stability and robust performance. Benefit from our portfolio of products and secure the quality you need.Suitable for various applicationsThis Union has been specifically designed to harmonize optimally with engines that are suitable for MTU. Thanks to its precise fit, it allows for straightforward installation and minimizes the risk of leaks. Rely on innovative technology and reliable components that significantly enhance your engines' performance.

Sale price: €86.01Regular price:€95.56(10% saved)
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UNION - 5249970272 suitable for MTU engines

UNION - 5249970272 suitable for MTU engines

Union with Comparison Number 5249970272Discover our Union with the comparison number 5249970272, which is optimal for the performance of your engines. This OEM replacement part meets stringent quality requirements, ensuring reliability and safety when used in demanding environments. With a robust construction, our product offers a high level of efficiency and durability.Efficiency and Precision in Every DetailThe Union weighs 20 kg and represents precision and accuracy, making it an excellent choice for any requirement. With its perfect fit, this Union is designed to be compatible with MTU engines and excels in daily applications. Rely on our OEM replacement parts to maximize the performance of your machines.

Sale price: €128.91Regular price:€143.23(10% saved)
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UNION - 5249970172 suitable for MTU engines

UNION - 5249970172 suitable for MTU engines

Your Reliable Union with Comparison Number 5249970172Discover our Union, the OEM replacement part with the comparison number 5249970172, suitable for MTU engines. With a total weight of 20 kg, this product is ideal for various applications, particularly in the marine sector and for stationary engines.Quality from the Source: OEM Replacement Parts for EnginesOur Union combines the highest precision and reliability. The OEM replacement parts we offer stand for exact fit and long-term efficiency in use. Thus, the Union, suitable for MTU, will be your valued partner in engine technology.

Sale price: €15.89Regular price:€17.65(10% saved)
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FITTING - 5249970072 suitable for MTU engines

FITTING - 5249970072 suitable for MTU engines

Solid Fitting for Essential Applications The fitting with the comparative number 5249970072 is an indispensable OEM spare part, specifically designed to ensure optimal performance for engines. This product is suitable for MTU engines and offers excellent fit accuracy, which is essential for the smooth operation of engines in marine and stationary applications. Weighing 130.8 kg, this fitting provides stability and durability.

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UNION - 5249970071 suitable for MTU engines

UNION - 5249970071 suitable for MTU engines

Quality and Innovation for EnginesDiscover our top-notch product, the Union, with the comparison number 5249970071. This OEM replacement part is designed for use in fittings and armatures. With this part number, you acquire a product that offers you compelling performance.

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UNION - 5241870426 suitable for MTU engines

UNION - 5241870426 suitable for MTU engines

Demanding Replacement Part for Your ApplicationsThe union with the comparison number 5241870426 is a high-quality product from the category fittings and armatures. This OEM replacement part is perfectly suited for your requirements and ensures a precise integration into your engines. Weighing 268.5 kg, the union not only offers stability but also longevity that you need in demanding operations.Precision for MTU EnginesThis union is a top-class replacement part, compatible with MTU engines. As an OEM replacement part, the union meets the highest quality standards and provides excellent performance. Precision is crucial to ensure smooth operation of the engines and to avoid unwanted downtime.

Sale price: €97.73Regular price:€108.59(10% saved)
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UNION - 5241870326 suitable for MTU engines

UNION - 5241870326 suitable for MTU engines

Your Reliable Spare Part for Marine UseDiscover our product, the Union with the comparison number 5241870326, an OEM spare part specifically designed for engines. This fittings and armatures item is essential for optimal performance. The Union is 100% compatible with MTU engines, ensuring a reliable connection for various applications.

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UNION - 5241870026 suitable for MTU engines

UNION - 5241870026 suitable for MTU engines

Precise Union Compatible with MTU EnginesDiscover the Union with the comparison number 5241870026. This product belongs to the group of OEM spare parts and ensures optimal performance for engines in various applications. With its compact size, this Union is not only effective but also easy to install. Weighing 0.73 kg and measuring 4.2 cm in length and width and 2.7 cm in height, it is ideal for many uses.Quality Creation with OEM Spare Parts for Your EnginesThe Union 5241870026 is an OEM spare part specifically designed to fit precisely with MTU engines. By using such spare parts, you ensure the proper functioning of your engines and significantly extend the lifespan of your machines.

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UNION - 5240180070 suitable for MTU engines

UNION - 5240180070 suitable for MTU engines

First-Class OEM Replacement Part - Union 5240180070 Our Union with the comparator number 5240180070 is an OEM replacement part, specifically designed to meet the requirements of MTU engines. This product belongs to the category of Fittings and armatures and ensures a precise fit. Trust in the quality that only first manufacturing products can offer.

Sale price: €18.95Regular price:€21.06(10% saved)
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UNION - 5221870026 suitable for MTU engines

UNION - 5221870026 suitable for MTU engines

OEM Replacement Parts for Engines: Union Comparison Number 5221870026Discover our product, the union with comparison number 5221870026, specifically designed for diesel and gas engines. This union is an essential OEM replacement part that meets the demands of using MTU engines. With its precise fit, it optimizes the performance of your engines required in maritime and stationary applications.

Sale price: €23.97Regular price:€26.64(10% saved)
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UNION - 5220780031 suitable for MTU engines

UNION - 5220780031 suitable for MTU engines

Union with Comparison Number 5220780031 in DetailDiscover the Union with the comparison number 5220780031 – a significant product in the category of replacement parts for engines. This OEM replacement part offers optimal performance in applications that must meet the highest standards. The product is designed to ensure reliability and efficiency within your applications.Suitable for MTU EnginesOur Union is suitable for MTU engines and ensures efficiency in your operations. Weighing 96.7 kg, this OEM replacement part provides stability, especially under demanding operating conditions. Unlike many aftermarket parts, you receive safety and confidence in the quality with this product.

Sale price: €28.88Regular price:€32.08(10% saved)
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SCREW-FITTING UNION - 521H15002/1 suitable for MTU engines

SCREW-FITTING UNION - 521H15002/1 suitable for MTU engines

Screw-fitting union for high-performance enginesOur screw-fitting union with the comparison number 521H15002/1 is an essential OEM replacement part that stands out for its top-quality. This product is suitable for MTU engines and ensures optimal functionality in your application scenario.

Sale price: €184.19Regular price:€204.66(10% saved)
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SCREW-FITTING UNION - 521A07001/1 suitable for MTU engines

SCREW-FITTING UNION - 521A07001/1 suitable for MTU engines

Discover the Screw-fitting UnionThe Screw-fitting union with the comparison number 521A07001/1 is a robust and reliable OEM spare part designed optimally for your needs. With a design specifically suited for MTU engines, this product offers durable performance and excellent fit in use.

SCREW-FITTING UNION - 5219973272 suitable for MTU engines

SCREW-FITTING UNION - 5219973272 suitable for MTU engines

Screw-fitting union with comparison number 5219973272Discover the durable screw-fitting union that comes with the comparison number 5219973272. This OEM spare part is essential for the efficient use of engines and provides solutions specifically in the field of fittings and armatures. All components are aligned with the highest quality standards to ensure reliable functionality.

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.

Fittings for industrial and marine engines – suitable for MTU, Deutz, MAN, Volvo Penta and MWM – replacement parts

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.

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