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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.

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SOCKET UNION - 81981836115 suitable for MAN D engines

SOCKET UNION - 81981836115 suitable for MAN D engines

Reference number 81981836115: Product suitable for MAN D engines The product with reference number 81981836115 is a union screw designed as an OEM replacement part suitable for MAN D engines. This union screw impresses with precise manufacturing and ensures a secure connection in demanding engines. The reference number simplifies identification and quick access to the suitable replacement part in a professional environment.Dimensions and weight of the union screw suitable for MAN D manufacturer With a length of 2.7 cm, width of 2.7 cm, height of 2.9 cm, and a weight of only 0.028 kg, the product suitable for engines from the manufacturer MAN D is optimally sized. This connecting element offers the necessary accuracy for installation in various MAN D engines. OEM replacement parts like this union screw are designed for exact fit and long service life.

Sale price: €3.98Regular price:€4.42(10% saved)
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SOCKET UNION - 81981836114 suitable for MAN D engines

SOCKET UNION - 81981836114 suitable for MAN D engines

Union Screw for Your ApplicationsThe union screw with the comparison number 81981836114 is an indispensable connecting element for your engines. Weighing only 0.02 kg, this product offers optimal strength and stability. The union screw belongs to the category of OEM spare parts and meets the highest quality standards that you can expect in your industry.

Sale price: €10.97Regular price:€12.19(10% saved)
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SOCKET UNION - 81981816346 suitable for MAN D engines

SOCKET UNION - 81981816346 suitable for MAN D engines

Union screw with comparison number 81981816346The union screw with the comparison number 81981816346 represents an essential connecting element in your engine service. This part is suitable for MAN D engines and offers a precise fit as well as durability. Weighing only 0.005 kg, this product demonstrates that even small components can be crucial for an engine's performance.

Sale price: €2.95Regular price:€3.28(10% saved)
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SOCKET UNION - 81981816115 suitable for MAN D engines

SOCKET UNION - 81981816115 suitable for MAN D engines

Union screw suitable for MAN D enginesDiscover our union screw, which is listed under the comparison number 81981816115 and is specially designed to support the performance of your engine. This union screw is an essential connecting element that helps ensure the functionality of your engines. Weighing only 0.03 kg, it offers an ideal combination of low weight and high strength.

Sale price: €11.54Regular price:€12.82(10% saved)
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SOCKET UNION - 81981816114 suitable for MAN D engines

SOCKET UNION - 81981816114 suitable for MAN D engines

Reliable Union Screw for Industrial UseDiscover the Union screw with the comparison number 81981816114, an essential connecting element that is suitable for MAN D engines. This product meets the stringent requirements necessary for diesel and gas engines in marine and stationary applications. With a weight of only 0.1 kg, it offers the ideal combination of lightness and robustness.

Sale price: €8.54Regular price:€9.49(10% saved)
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SOCKET UNION - 81981430003 suitable for MAN D engines

SOCKET UNION - 81981430003 suitable for MAN D engines

Optimal Connection: Union Screw for ApplicationsDiscover the union screw with the comparison number 81981430003. This OEM replacement part is suitable for MAN D engines and meets the highest quality standards. Weighing only 0.002 kg, this connecting element is lightweight yet robust, ideal for the reliable operation of your engines.Quality through OEM Replacement PartsOur union screw is an essential OEM replacement part specifically designed for applications in marine and stationary use. Unlike aftermarket parts, our products provide the fit and durability you can expect from a manufacturer. Trust the comparison number 81981430003 to maximize the performance of your machines.

Sale price: €2.95Regular price:€3.28(10% saved)
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SOCKET UNION ALL6R1/8`-CUZN - 81981430002 suitable for MAN D engines

SOCKET UNION ALL6R1/8`-CUZN - 81981430002 suitable for MAN D engines

Union Screw: Precision for Your MachinesDiscover the union screw with the comparison number 81981430002, which is ideally suited to create a reliable connection in your machines. This connecting element is compatible with MAN D engines and plays a crucial role in performance assurance. Weighing only 0.002 kg, the union screw offers both stability and lightweight design, and is often used in marine and stationary applications.

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GROMMET - 81981310127 suitable for MAN D engines

GROMMET - 81981310127 suitable for MAN D engines

Precise Connecting Element: Grommet 81981310127Discover the grommet, the connecting element with the comparison number 81981310127, suitable for MAN D engines. Weighing only 0.008 kg, this OEM replacement part offers excellent fit, which is essential for the performance of your engines. Trust in the quality that only OEM products can provide.Extensive Selection of OEM Replacement PartsIn our large warehouse, you will find a variety of top-quality OEM replacement parts specifically designed for diesel and gas engines. This product, the grommet, is ideally suited to optimize the operation of your engines. Our decades of experience ensure that each part meets our high standards, so you don’t have to compromise.

Sale price: €8.54Regular price:€9.49(10% saved)
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CONNECTING PIECE - 81981310087 suitable for MAN D engines

CONNECTING PIECE - 81981310087 suitable for MAN D engines

Connecting piece suitable for MAN D enginesDiscover our connecting piece, listed under the reference number 81981310087. This product is an essential connecting element, suitable for MAN D engines and offers you a reliable solution for your engine requirements. Weighing only 0.003 kg, our OEM replacement part delivers excellent performance and durability for your engine.

TWIN UNION - 81981300482 suitable for MAN D engines

TWIN UNION - 81981300482 suitable for MAN D engines

First-class OEM replacement part: Double nipple Discover our product, the double nipple with the comparison number 81981300482. This connecting element is specifically designed to provide outstanding performance. Weighing only 0.125 kg, the double nipple is not only robust but also versatile in use.

TWIN UNION - 81981300426 suitable for MAN D engines

TWIN UNION - 81981300426 suitable for MAN D engines

Robust Connecting Element: Double Nipple 81981300426The double nipple with the comparison number 81981300426 is an essential OEM spare part from our wide product range. This connecting element impresses with exceptional quality and accuracy. Our double nipple is specifically designed to meet the demands of marine and stationary engine technology without compromising on reliability.Suitable for MAN D Engines: Your Reliable ChoiceWith this product, you receive a double nipple that is manufactured to fit MAN D engines. Weighing only 0.09 kg, it facilitates installation and enhances the efficiency of your engines. The top-notch craftsmanship of the OEM spare part ensures that you can rely on a product that meets the highest standards.

SOCKET UNION - 81981300363 suitable for MAN D engines

SOCKET UNION - 81981300363 suitable for MAN D engines

Your Key to Reliable ApplicationsDiscover our union screw with the comparison number 81981300363, an essential OEM spare part categorized under connecting elements. This product impresses with its functionality and quality. With a low weight of only 0.005 kg, the union screw offers an ideal solution for fastening in demanding environments, particularly in engines.

CONNECTOR - 81981300359 suitable for MAN D engines

CONNECTOR - 81981300359 suitable for MAN D engines

Connector with Comparison Number 81981300359The connector with the comparison number 81981300359 is a reliable OEM spare part specifically designed for use in engines. Weighing just 0.01 kg, this product offers the necessary stability and flexibility for demanding applications. It is suitable for optimizing your machine performance and increasing efficiency.Compatible with MAN D EnginesThis connector is compatible with MAN D engines and ensures precise fit with other OEM spare parts. The high quality of the product ensures it meets the demands in both marine and stationary applications. With this spare part, you choose an optimal solution for your engines, characterized by durability and robustness.

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TWIN UNION - 81981300327 suitable for MAN D engines

TWIN UNION - 81981300327 suitable for MAN D engines

Double nipple with comparison number 81981300327Discover the double nipple with comparison number 81981300327, an essential connecting element that is compatible with MAN D engines. This precisely manufactured OEM replacement part offers you the quality you can expect from a supplier. Weighing only 0.135 kg, the double nipple is both lightweight and robust, ideal for applications in diesel and gas engines.

TWIN UNION - 81981300326 suitable for MAN D engines

TWIN UNION - 81981300326 suitable for MAN D engines

Reliable Spare Part for Your EnginesDiscover our OEM spare part, the Double nipple with the comparison number 81981300326. This product offers a reliable solution for all requirements in marine and stationary applications. The spare part impresses with its high quality and ensures an optimal connection between the components of your engines.Suitable for MAN D EnginesThe Double nipple is suitable for MAN D engines and plays a crucial role in maintaining performance. Weighing only 0.23 kg, the component is handy and easy to install, allowing you to get back in operation quickly. Rely on OEM spare parts to ensure longevity and efficiency.

TWIN UNION - 81981300315 suitable for MAN D engines

TWIN UNION - 81981300315 suitable for MAN D engines

Exclusive Product: Double NippleDiscover our OEM spare part: the Double Nipple with the comparison number 81981300315. This connecting element is essential for the reliability and performance of your engines. Weighing only 0.065 kg, the Double Nipple is lightweight and precisely manufactured to meet industry standards.Optimal Functionality for MAN D EnginesThe Double Nipple is specifically designed to meet the highest standards for MAN D engines. Whether in marine or stationary technology, the quality of this spare part ensures that your engines operate efficiently and reliably. Rely on a product tailored to the specific needs of your applications.

TWIN UNION - 81981300203 suitable for MAN D engines

TWIN UNION - 81981300203 suitable for MAN D engines

Double nipple spare part for your applicationsDiscover our double nipple spare part with the comparison number 81981300203, which has been designed to fit MAN D engines. This product is an essential component for the maintenance of your diesel and gas engines. It offers not only a perfect fit but also optimal durability and reliability in demanding applications.

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TWIN UNION - 81981010030 suitable for MAN D engines

TWIN UNION - 81981010030 suitable for MAN D engines

Reliable Connecting Element for EnginesThe double nipple with the comparison number 81981010030 is an essential connecting element in your engine technology. This OEM replacement part offers a top-notch connection and is specifically designed to enhance performance. Weighing only 0.09 kg, this double nipple is both lightweight and robust.Suitable for MAN D EnginesOur double nipple is suitable for MAN D engines, ensuring optimal fit and functionality. Trust in the quality that OEM replacement parts provide. Our products stand for exceptional robustness and reliability that you expect.

Sale price: €162.14Regular price:€180.15(10% saved)
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SPRING CAP - 81976802003 suitable for MAN D engines

SPRING CAP - 81976802003 suitable for MAN D engines

Precise Spring Cap Suitable for MAN D EnginesDiscover our top-quality Spring Cap with the comparison number 81976802003, an essential connecting element that ensures perfect attachment in your MAN D engines. This Spring Cap offers excellent reliability and functionality and is indispensable for use in demanding marine and locomotive engineering.Lightweight with Special FeaturesWeighing only 0.03 kg, the Spring Cap is particularly lightweight, making it ideal for applications where every gram counts. Designed to meet the requirements of your engines, this Spring Cap impresses with its precision and durability. It is provided exclusively as an OEM replacement part, enhancing quality and compatibility with the engines.

SPRING CAP - 81976802002 suitable for MAN D engines

SPRING CAP - 81976802002 suitable for MAN D engines

Spring cap compatible with MAN D enginesDiscover our spring cap with the comparison number 81976802002, specifically designed to meet the highest demands in challenging applications. This OEM spare part offers optimal performance and reliability, making it ideal for your application based on MAN D engines. Weighing only 0.017 kg, it provides an ideal combination of functionality and weight optimization.

SPRING CAP - 81976800087 suitable for MAN D engines

SPRING CAP - 81976800087 suitable for MAN D engines

Spring Cap: Your Solution for MAN D EnginesDiscover our spring cap, comparison number 81976800087, an important connecting element specifically designed for engines. Suitable for MAN D engines, this spare part meets the highest quality standards. Weighing only 0.01 kg, the spring cap is lightweight yet robust to ensure reliable functionality.Original Equipment Manufacturer Quality for Maximum ReliabilityThis spring cap is provided as an OEM replacement part, meaning it has been produced to original equipment manufacturer quality. Thanks to the comparison number 81976800087, you can be confident that you are receiving a product specifically designed for use in diesel and gas engines. Trust in the quality of OEM replacement parts that you need in critical applications.

SPRING CAP - 81976800086 suitable for MAN D engines

SPRING CAP - 81976800086 suitable for MAN D engines

Spring Cap for Efficient EnginesDiscover our top-quality spring cap, an essential replacement part compatible with MAN D engines. With the comparison number 81976800086, we offer you an OEM replacement part of excellent quality that has proven itself in practice. Our products are ideal for diesel and gas engines, particularly in marine and stationary applications.Durable Connecting Elements for MAN DThe spring cap is a crucial connecting element that ensures optimal function of your engines. Weighing only 0.003 kg, this OEM replacement part provides not only outstanding stability but also easy handling. Trust that you will achieve the best performance for your machines with this product.

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SPRING CAP - 81976800085 suitable for MAN D engines

SPRING CAP - 81976800085 suitable for MAN D engines

SPRING CAP with the comparison number 81976800085 suitable for MAN D engines

Sale price: €33.10Regular price:€36.78(10% saved)
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SPRING CAP - 81976800083 suitable for MAN D engines

SPRING CAP - 81976800083 suitable for MAN D engines

Premium Connecting Element for EnginesDiscover the Spring cap with the comparison number 81976800083, an indispensable OEM spare part for your ENGINES from MAN D. This product impresses with excellent quality and is specifically tailored to the requirements of MAN D. Weighing only 0.003 kg, the Spring cap offers easy handling and the necessary robustness for reliable use in engines.

Sale price: €30.95Regular price:€34.39(10% saved)
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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.

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

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.

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