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-FITTING UNION - 5560780269 suitable for MTU engines
Screw-fitting union for Your EnginesDiscover the screw-fitting union, a product suitable for MTU engines with the comparison number 5560780269. This OEM replacement part ensures a reliable connection and optimal performance in your marine and stationary engines. Trust in quality that convinces.
UNION - 5559979772 suitable for MTU engines
Quality Product for MTU EnginesDiscover our Union with the comparison number 5559979772, carefully designed as an OEM replacement part. The product fits perfectly for MTU engines and offers exceptional precision that is crucial in both marine and stationary applications.Precision in ExecutionThis replacement part suitable for MTU impresses with reliability and longevity, supported by our strict internal controls. At MOPA Motorparts, we rely on over 25 years of experience in providing OEM replacement parts for engines that deliver the best performance.
UNION - 5559979672 suitable for MTU engines
Discover the Union with Comparison Number 5559979672The Union with the comparison number 5559979672 is an excellent OEM spare part, suitable for MTU engines of the series 331. This product impresses with precise workmanship and offers optimal performance for engines like the 12V331TC92. When choosing spare parts, it's essential to adhere to high standards – and this component meets expectations.Selection of Spare Parts for All NeedsOur family-owned business in its second generation has extensive experience in providing excellent OEM spare parts. With a large inventory of over 1 million spare parts, we ensure that you always find the right products. The Union, suitable for MTU, is part of our extensive range and ensures that your engines operate efficiently.
UNION - 5559979272 suitable for MTU engines
Robust OEM Replacement Part: Union for Your EnginesDiscover the reliable product, the Union with the comparison number 5559979272. This OEM replacement part is specifically designed to fit perfectly with MTU engines. By using OEM replacement parts, you ensure the quality and reliability that are essential for optimal engine performance.Comparison Number and Fit ExceptionalThe comparison number 5559979272 is your key to an excellent replacement. Our Union is a specific Fittings and armatures component designed to match MTU engines. Compared to aftermarket products, our OEM replacement part ensures that you receive only the best quality for your engine.
UNION - 5559979172 suitable for MTU engines
Excellent Union with Comparison Number 5559979172The Union with the comparison number 5559979172 is an essential component specifically designed to harmonize optimally with Fittings and armatures for MTU engines. As an OEM replacement part, it offers quality and durability.
UNION - 5559979072 suitable for MTU engines
OEM Spare Part: Union 5559979072Discover our product, the Union with the comparison number 5559979072, suitable for the requirements of MTU engines. In the category Fittings and armatures, this spare part is a crucial component for the factory performance of your engines and has been meticulously developed to meet the highest standards.OEM Quality for MTU EnginesWe offer OEM spare parts in original equipment manufacturer quality, ensuring optimal performance and reliability. The Union 5559979072 is excellent for maintaining your MTU engines and ensures that your machines operate efficiently without compromising on quality.
SCREW-FITTING UNION - 5559978972 suitable for MTU engines
Screw-fitting union – Comparison Number 5559978972 The screw-fitting union with the comparison number 5559978972 is an essential fitting and armature designed specifically for demanding engine operations. This product is suitable for MTU engines, particularly the series 331 and the engine type 12V331TC92. It meets the highest standards for efficiency and durability, supporting the seamless operation of your diesel or gas engine in marine and stationary applications.OEM Replacement Parts for MTU Engines As an OEM replacement part, our high-quality screw-fitting union offers quality tailored to the needs of your engines. With the comparison number 5559978972, the risk of performance losses is minimized, while it supports functionality in various operating conditions. The screw-fitting union is suitable for MTU engines and allows for efficient utilization.
UNION - 5559977472 suitable for MTU engines
Robust Replacement Part: Union with Comparison Number 5559977472The top-quality Union with the comparison number 5559977472 is a significant OEM replacement part that is crucial for maintenance tasks on engines. This product is compatible with the MTU series 331 and is specifically designed for the engine type 12V331TC92. The high precision ensures that your engines operate efficiently and remain reliable.Perfect Fit: OEM Replacement Parts for Demanding ApplicationsOur OEM replacement parts are characterized by an exact fit that ensures maximum functionality. The Union is suitable for MTU and assures that all requirements for functionality and safety are met. Reliability and durability are top priorities for this component, ensuring that each product meets the demands of marine and stationary use.
UNION - 5559976972 suitable for MTU engines
Excellent Product: Union suitable for MTU engines Discover our product, the Union with the comparison number 5559976972, suitable for MTU engines of the series 331. This OEM replacement part offers optimal performance and reliable functionality. The Union is specifically designed for engines of the type 12V331TC92 and ensures perfect integration into existing systems.Precise Functionality for Essential Operation The Union is suitable as part of our fittings and armatures and provides a secure connection. Its precise design makes it indispensable for engines in demanding applications such as marine and stationary areas. The specifications or comparison number 5559976972 serves as an important reference for the quality and reliability of this significant component.
UNION - 5559976072 suitable for MTU engines
Reliable Union: Your OEM Spare Part Optimize the functionality of your MTU engines with our union. With the comparison number 5559976072, we offer you a precise product that is ideally suited for a variety of applications. This OEM spare part ensures that you receive the necessary performance you expect from a top-quality product.Technical Specifications and Quality Our union is compatible with the MTU series 331 as well as the engine type 12V331TC92. This precise fit ensures that your engine operates efficiently under demanding conditions and maximizes its functionality. Every product protects your engines and supports their use.
UNION - 5559974972 suitable for MTU engines
Optimal OEM Replacement Part for Industrial NeedsDiscover our premium Union, which offers optimal performance for your MTU engines. This product is suitable for the renowned engine series 331 and ensures flawless operation. The exact fit means that you can start working with your machine immediately, without any difficulties.Quality You Can TrustOur Union has been developed as an OEM replacement part. This stands for the highest standards of the manufacturer and ensures durability and reliable functionality. With the comparison number 5559974972, you can be confident that you are choosing the right product for your application.
BANJO UNION - 5559974772 suitable for MTU engines
Secure Banjo Union for MTU EnginesDiscover our banjo union with the comparison number 5559974772, perfectly suited for your MTU engines of the series 331, including the engine type 12V331TC92. This OEM replacement part offers the quality you should expect from an original equipment product and supports the optimal performance of your engine.
SCREW-FITTING UNION - 5559974672 suitable for MTU engines
Premium Screw-fitting Union for Your EnginesDiscover our premium screw-fitting union, essential for the functionality of your engines. With the comparison number 5559974672, the product offers precision and reliability for your applications. This fitting is an indispensable component for the reliable operation and performance of your systems.
UNION - 5559971772 suitable for MTU engines
Robust OEM Replacement Part: Union for Demanding ApplicationsOur union, with the comparison number 5559971772, is a product that has been specifically developed and is suitable for MTU engines. As a relevant component, it belongs to the category of fittings and armatures and impresses with its quality and durability.Suitable for MTU Series 331 and 12V331TC92With the comparison number 5559971772, our union is perfectly suited for applications that require a true quality partner. It is compatible with the series 331 as well as the engine types 12V331TC92, which are used in demanding environments. Rely on a product that meets OEM replacement part standards, thereby offering maximum reliability.
UNION - 5559970372 suitable for MTU engines
Robust and Functional: Union for High DemandsDiscover our Union, available with the reference number 5559970372 and specifically designed for MTU engines. As an OEM replacement part, it offers an excellent fit and optimal performance, perfect for applications in marine and stationary sectors. Quality is our top priority and meets the high demands of your engines.
SCREW-FITTING UNION - 5551870169/45 suitable for MTU engines
Precise Screw-fitting Union for High Demands The screw-fitting union (comparison number: 5551870169/45) is an essential product in the range of MOPA Motorparts. It belongs to the high-quality OEM spare parts specifically designed for engines in marine and stationary technology. This component impresses with its robust construction and reliable fit.Ideally Suitable for MTU Engines The screw-fitting union is compatible with the series 331 of MTU engines, including the engine type 12V331TC92. With this product, you can ensure that your drive system meets technological requirements and maintains optimal performance.
UNION - 5551870069 suitable for MTU engines
Excellent Features: Union and Comparison NumberDiscover the outstanding product, the Union with the comparison number 5551870069, which is perfectly suited to optimally support your engines. This OEM replacement part meets the highest standards and ensures that your machines run efficiently. An essential component for any professional application.Technical Note: Compatible with MTU EnginesThe Union is specifically compatible with MTU engines of the series 331 and suitable for the type 12V331TC92. Trust in the qualities of our OEM replacement parts that offer you smooth and powerful functionality. Every component has been thoughtfully designed to meet the highest demands.
FLANGED UNION - 5550180170 suitable for MTU engines
Flanged Union for Reliable Engines Discover our top-quality product, the flanged union with the comparison number 5550180170. This high-quality OEM replacement part is the ideal solution for your demanding applications. The thoughtful design ensures that the flanged union remains an essential element in the installation and maintenance of your engines.
UNION - 5550180070 suitable for MTU engines
OEM Replacement Part: Union Compatible with MTU EnginesDiscover the Union as an OEM replacement part, with the comparison number 5550180070, specifically designed for outstanding performance. This product is ideal for your needs, ensuring that your engines operate reliably in marine and stationary applications. The exclusive use of OEM replacement parts ensures top quality.Reliable Quality and FitWith the comparison number 5550180070, the Union is perfectly suited for MTU engines. Thanks to careful manufacturing, this OEM replacement part meets all specifications and standards necessary for effective functionality. Trust in the quality that comes directly from the manufacturer – we provide products that are durable.
UNION - 5550100077 suitable for MTU engines
Excellent Quality: Union for EnginesDiscover our OEM replacement part, the union with reference number 5550100077. This effective product is essential for your engines and is ideally suited for fittings and armatures. Rely on the quality of OEM replacement parts and experience both performance and efficiency.Suitable for MTU EnginesThis union is precisely designed for MTU engines and meets all specific requirements. With the reference number 5550100077, you can count on an exact fit and maximum functionality. Choose solutions tailored for MTU that optimally support your engines.
SCREW-FITTING UNION - 5549970172 suitable for MTU engines
Efficient Screw-fitting Union with Comparison Number 5549970172Discover the screw-fitting union with the comparison number 5549970172. This premium product is the perfect solution to enhance the performance of your MTU engines. It is a quality item specifically designed to be "compatible with" your engines and offers the highest precision.Compatible with MTU Engines for OptimizationThe screw-fitting union is compatible with MTU, particularly for the specific engine type 12V331TC92 from the 331 series. Our customers particularly appreciate the functionality and reliability of this replacement part. We achieve each part through years of experience in the industry.
SCREW-FITTING UNION - 5530780369 suitable for MTU engines
Einschraubverschraubung 5530780369 for Your EngineThe Einschraubverschraubung with the comparison number 5530780369 is an essential product for companies that rely on the reliability of engines. This OEM spare part is suitable for the renowned MTU engines, particularly compatible with the series 331 and the engine type 12V331TC92.Robust Quality for Effective ApplicationWeighing only 0.053 kg, this Einschraubverschraubung offers consistent performance even under challenging conditions. As OEM spare parts, we manufacture only products that can be seamlessly integrated into your existing systems. The comparison number 5530780369 ensures that everything fits perfectly, significantly increasing the efficiency of your engines.
SCREW-FITTING UNION - 5530780269 suitable for MTU engines
Lossless Performance with High-Quality Replacement Part Discover our OEM replacement part: the screw-fitting union with the comparison number 5530780269. This product is suitable for MTU engines of the series 331, particularly for the engine type 12V331TC92. With this screw-fitting union, you ensure that your engine operates optimally while maintaining its efficiency.Lightweight and Precise Construction Weighing only 0.058 kg, the screw-fitting union impresses with its lightweight and handy design. This OEM replacement part is suitable for the efficient operation of your engines and contributes significantly to improving your engine's performance. Rely on the quality that each component offers.
SCREW-FITTING UNION - 5512030167 suitable for MTU engines
Premium Screw-fitting Union for Demanding SystemsDiscover the screw-fitting union with the comparison number 5512030167, an essential OEM replacement part for professional applications. This robust fitting features durability and excellent fit, tailored for use in marine and stationary operational areas.Features, Suitable for MTU EnginesThis product is specifically suitable for MTU engines and is ideal for the series 331 as well as the engine type 12V331TC92. Thanks to its precise fit, it can be seamlessly integrated into existing systems. Rely on our OEM replacement parts designed for the highest accuracy.
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.