Connecting elements – precision links for engine systems
Connecting elements are critical components that join mechanical parts within engine assemblies, industrial machines or control systems. They ensure stability, alignment, and force transmission between moving or static structures. High-quality connecting elements are essential for safety, performance, and long-term durability in demanding applications.
Choose from following:
BUSH - 81917010456 suitable for MAN D engines
Bush: OEM Replacement Part for MAN D EnginesDiscover our bush, the OEM replacement part with the reference number 81917010456, specifically designed to fit MAN D engines. This connecting element ensures the reliable functionality of your engines and meets the stringent standards of the manufacturer. The bush weighs only 0.05 kg and is easy to install.Reliable Fit for MAN D EnginesOur bush is an essential product optimized for applications around MAN D engines. For the longevity and performance of your engine, the bush suitable for MAN D is crucial. Each OEM replacement part undergoes strict internal control before shipping, so you can rely on the quality.
BUSH - 81917010455 suitable for MAN D engines
Precision Bush for LongevityDiscover the bush with the comparison number 81917010455 – an essential connecting element that offers special properties for use in engines. This bush is specifically designed and fits MAN D engines. Weighing only 0.002 kg, it combines lightweight construction with stability and ensures efficient installation in your applications.OEM Spare Parts for Reliable PerformanceOur bush, comparison number 81917010455, is a premium OEM spare part. As a supplier of OEM spare parts, we ensure that our products meet the high standards of the manufacturers. With strict internal controls, we ensure that each bush operates efficiently and meets the specific requirements of engines.
BUSH 5,3X10X14-ST37-2 - 81917010436 suitable for MAN D engines
Excellent Bush 5,3x10x14-st37-2 for EnginesThe Bush 5,3x10x14-st37-2 is a high-quality OEM replacement part, suitable for MAN D engines. With the comparison number 81917010436, this product ensures a precise fit. Ideal for applications in marine and stationary use, it stands out due to its versatile applicability.Precise Fit Thanks to Comparison NumberThe comparison number 81917010436 is your key to efficient and reliable application. This OEM replacement part impresses with its exact dimensions, allowing for seamless integration into your MAN D engine. Rely on precision!
BUSH 12X20X62-C45K - 81917010411 suitable for MAN D engines
Reliable Replacement Part Suitable for MAN D EnginesDiscover the Bush 12x20x62-c45k, an OEM replacement part specifically designed for MAN D engines. With the reference number 81917010411, we assure you that you will receive a product of the highest quality, designed for professional use.Lightweight and Durable: Bush 12x20x62-c45kThe Bush 12x20x62-c45k weighs only 0.09 kg and impresses with its robustness and longevity. This OEM replacement part provides the necessary precision and reliability that engines in marine and stationary applications require.
BUSH 10,5X21X13-ST37-2-A3R - 81917010403 suitable for MAN D engines
Premium Replacement Part for MAN D EnginesDiscover the Bush 10,5x21x13-st37-2-a3r, a top-notch OEM replacement part, marked with the reference number 81917010403. This product ensures an exact fit and optimal functionality, specifically designed for MAN D engines. Rely on the expertise and experience of MOPA Motorparts.Product Description and SpecificationsThe Bush 10,5x21x13-st37-2-a3r is an essential component. Weighing only 0.02 kg, this OEM replacement part is easy to install and offers outstanding performance. The careful manufacturing ensures that it meets the high standards you can expect from our products.
BUSH 12X20X21,5-ALMG3F18 - 81917010399 suitable for MAN D engines
Reliable Bush for Marine and Stationary EnginesDiscover the OEM replacement part Bush 12x20x21,5-almg3f18, suitable for MAN D engines. With the reference number 81917010399, we offer the highest quality for your engine demands. Weighing only 0.01 kg, this product is optimal for demanding applications.
BUSH - 81917010374 suitable for MAN D engines
Robust Bush suitable for MAN D EnginesDiscover the bush with the comparison number 81917010374, an indispensable product for your engines. This connecting element has proven to be highly reliable in marine and stationary applications. Weighing only 0.039 kg, the bush is perfect for use in high-performance engines where every detail counts.Quality through OEM Spare PartsThis product is an OEM spare part that ensures it meets the high standards of the manufacturer. Unlike aftermarket alternatives that often vary in performance, the bush suitable for MAN D engines is known for its durability and excellent fit.
BUSH 15X25X10-ST35 - 81917010362 suitable for MAN D engines
Bush 15x25x10-st35 for MAN D EnginesDiscover the Bush 15x25x10-st35, an OEM replacement part specifically designed for MAN D engines. Weighing only 0.02 kg, this product combines precision and durability, making it ideal for professional applications. The comparison number 81917010362 ensures easy identification and fits perfectly into your requirements.
BUSH - 81917010354 suitable for MAN D engines
Precision Bush for Marine and Stationary Engine ApplicationsDiscover the bush with the comparison number 81917010354, an essential connecting element for engines used in various applications. It has been specifically designed to meet the requirements of engines operating in marine and stationary applications. Weighing 0.293 kg, this product is ideally suited to optimize performance.OEM Replacement Parts for the Highest Standards This bush is an OEM replacement part that meets the strict standards of manufacturers. It ensures that the functionality appropriate for MAN D engines is impeccable and supports your drive system reliably. Discover the quality our products offer, enabling your machines to operate efficiently.
BUSH 69X80X71,6-C60V - 81917010350 suitable for MAN D engines
Bush 69x80x71,6-c60v – Quality for EnginesThe bush 69x80x71,6-c60v is an excellent OEM spare part that has been specifically designed to meet all the requirements of engines. With the comparison number 81917010350, this product offers a precise fit and is ideal for use in various applications.Tailored Fit with Comparison Number 81917010350Weighing 0.68 kg, this bush is not only lightweight but also robust. It has been manufactured to fit MAN D engines and ensures reliable performance. Take advantage of the quality of OEM spare parts to optimize the efficiency of your engines.
BUSH 69X80X60-C60H - 81917010349 suitable for MAN D engines
Premium Bush suitable for MAN D engines Discover the Bush 69x80x60-c60h, a top-quality OEM replacement part designed for MAN D engines. With a comparison number of 81917010349, this product offers the ideal solution for your needs in marine and stationary applications.Quality and Performance Combined As an OEM replacement part, the product weighs 0.56 kg and impresses with exceptional durability. The Bush 69x80x60-c60h ensures smooth operation of your engines. Trust MOPA Motorparts and benefit from 25 years of experience in the industry.
BUSH 12,5X20X13,5-ST50-2K - 81917010334 suitable for MAN D engines
Precise Bush 12,5x20x13,5-st50-2kDiscover the bush 12,5x20x13,5-st50-2k, an essential OEM spare part for your MAN D engines. The reference number 81917010334 stands for quality and reliability. With this bush, you can optimize the performance of your engine.OEM Spare Parts for EnginesThis bush is precisely manufactured and offers a long lifespan. It is an OEM spare part specifically designed to fit MAN D engines. Rely on the precision that only such spare parts can provide.
BUSH 59,6X66X47,4H8-C60 - 81917010121 suitable for MAN D engines
Innovation for Your EnginesDiscover our premium product, the Bush 59,6x66x47,4h8-c60, which carries the comparison number 81917010121. This OEM replacement part is ideal for your needs and weighs just 0.23 kg, making it perfect for various applications in engines.Suitable for MAN D EnginesThe Bush 59,6x66x47,4h8-c60 is precisely designed for MAN D engines and offers an exact solution for your engine requirements. Rely on this OEM replacement part, which is specifically engineered for high performance and optimally supports your engines.
BUSH - 81917010094 suitable for MAN D engines
Reliable Bush – Comparison Number 81917010094Discover the bush with the comparison number 81917010094, an essential component for efficient engines. This product impresses with its stability and durability and is an indispensable connecting element that can be used in various applications. Weighing only 0.09 kg, this bush stands out for its handy size and accessibility.
BUSH 14,5X20X22-ST55 - 81917010050 suitable for MAN D engines
Discover the Bush 14,5x20x22-st55 Discover the Bush 14,5x20x22-st55 (comparison number: 81917010050), an essential product for your engines. Weighing only 0.02 kg, this OEM replacement part combines performance and durability for your applications.
BUSH - 81917010042 suitable for MAN D engines
Bush for MAN D Engines – Quality Meets FunctionalityDiscover the bush with the comparison number 81917010042 – an essential connecting element that has been specifically designed to optimize the performance of your engines. This OEM replacement part ensures optimal fit and functionality in your application. Weighing only 0.17 kg, it combines lightness and robustness, making it ideal for use in demanding environments.Precise Fit and Material QualityThe bush is suitable for MAN D engines and ensures that your engine operates efficiently. Our high-quality OEM replacement parts are the result of years of experience and internally rigorous checks, testing each bush at the highest level before it leaves our warehouse. This way, you can rely on acquiring a high-quality product.
BUSH - 81917010024 suitable for MAN D engines
Bush Suitable for MAN D EnginesDiscover the bush with the comparison number 81917010024, a crucial connecting element specifically designed for use in MAN D engines. This OEM replacement part impresses with excellent fit accuracy and is essential for the reliability of your diesel and gas engines in marine and stationary applications. Weighing only 0.031 kg, this product is particularly lightweight and easy to install.Optimal Performance Through First-Class Replacement PartsThe bush suitable for MAN D offers outstanding performance and long service life. By using high-quality materials, it is ensured that the OEM replacement part meets the high demands of engine technology. Rely on the proven quality of replacement parts that fit your engines precisely.
WOODRUFF KEY - 81915020044 suitable for MAN D engines
Reliable OEM Replacement Part: Woodruff Key for MAN D EnginesOur Woodruff key (comparison number: 81915020044) is an essential connecting element that perfectly fits MAN D engines. This OEM replacement part provides the performance you need for the maintenance and repair of your engines.Convincing Quality for Your NeedsThe Woodruff key meets strict quality standards and is specifically manufactured for MAN D engines. Rely on our top-notch OEM replacement parts to ensure the optimal function of your engines.
WOODRUFF KEY - 81915020043 suitable for MAN D engines
Reliable Connection: Woodruff Key for EnginesDiscover the Woodruff key with the comparison number 81915020043, which provides an indispensable solution for your engines. It is suitable for MAN D engines and belongs to our category of connecting elements. Weighing only 0.09 kg, this product impresses with its efficiency and robustness.High Standards: Quality of OEM Replacement PartsAt MOPA Motorparts, we ensure that all our products, including this Woodruff key, are manufactured as OEM replacement parts in original equipment quality. This ensures that the comparison number 81915020043 meets the rigorous standards required for use in your MAN D engines.
WOODRUFF KEY - 81915020042 suitable for MAN D engines
Optimal Performance with the Woodruff KeyOur Woodruff key with the reference number 81915020042 is an indispensable product specifically designed for engines in the marine and stationary sectors. This OEM replacement part offers reliable functionality and excels in engine performance across the board.
- 81915020040 suitable for MAN D engines
Efficient Solution for EnginesDiscover our Woodruff key, an essential connecting element that carries the comparison number 81915020040. This product is compatible with MAN D engines and ensures optimal performance through precise manufacturing. Rely on quality that supports your engines and enhances their efficiency.High Standards with OEM Replacement PartsOur Woodruff key is an OEM replacement part that meets high-quality standards. The use of OEM replacement parts ensures that you receive the best possible performance and longevity for your engines. Choose products that are specifically developed to work perfectly.
WOODRUFF KEY - 81915020022 suitable for MAN D engines
Discover Woodruff Key with Comparison Number 81915020022Explore our Woodruff key with the comparison number 81915020022, an essential spare part specifically designed for MAN D engines. Weighing only 0.02 kg, this product combines robustness and precision, making it ideal for efficient torque transmission. Spare parts are the first choice for professional applications.
CIRCLIP - 81913300054 suitable for MAN D engines
Quality Circlip for EnginesThe circlip with the comparison number 81913300054 is an essential connecting element, specially designed for the requirements of MAN D engines. As an OEM replacement part, it offers the best quality and reliability to optimize the performance of your engines.
SNAP RING - 81913300047 suitable for MAN D engines
Precision in Every Detail: Snap Ring 81913300047Discover the snap ring (comparison number: 81913300047), an essential connecting element that perfectly meets your requirements. This OEM replacement part ensures top-notch fit and robust protection for engines. Weighing just 0.001 kg, this snap ring offers not only lightness but also the necessary stability to withstand challenges in marine and stationary applications.
Function and benefits
Used across a wide range of applications, connecting elements form the mechanical link between components such as housings, shafts, brackets, or pipes. A well-designed connecting piece or assembly ensures:
- Secure connection with high mechanical strength
- Precise alignment of engine or machine components
- Resistance to vibration, temperature, and environmental stress
Especially in engine systems, each connecting part must maintain tight tolerances to prevent misalignment, leakage or stress-related damage.
Applications and types
Connecting pieces can include flanges, couplings, clamps, threaded adapters or bushings – depending on the system and function. In engines, they are often used between cylinder heads and manifolds, pumps and piping, or sensors and control housings. Connecting parts may also be part of flexible or modular assembly systems, allowing for quick maintenance or customization.
Materials and availability
Connecting elements are typically made from stainless steel, aluminum, brass, or high-performance polymers – selected based on load, media, pressure and temperature requirements. Corrosion resistance, weight and sealing properties are crucial in marine or chemical environments. We offer OEM-connecting pieces for MTU, MAN, Deutz, Volvo Penta and MWM engine systems – with fast delivery and industrial-grade quality.
FAQ
What are connecting elements used for?
Connecting elements are used to join mechanical components together in a stable, secure and functional way. They transmit force, enable movement or sealing, and maintain alignment in engines and industrial assemblies.
How do I choose the right connecting piece?
The right connecting piece depends on the application, pressure, material compatibility, and dimensional fit. Consider mechanical load, temperature range, and corrosion exposure when selecting a component.
Are connecting parts standardized?
Many connecting parts follow international standards (e.g. DIN, ISO) for threads, flanges and couplings, but specific systems or engines may require OEM-specific elements. Always check compatibility with the system in use.