Marine lines and pipes– reliable for engines
Marine lines are essential components in engine and auxiliary systems onboard ships and offshore installations. They guide fluids such as fuel, coolant, oil or exhaust gases safely through the system and ensure consistent operation under demanding marine conditions. Whether for main propulsion, auxiliary systems or generator units – high-quality marine lines support performance, safety and compliance.
Choose from following:
RETURN PIPE - 85400008260 suitable for MAN D engines
Precise Return Line: Comparison Number 85400008260The return line with the comparison number 85400008260 is an essential OEM spare part. With this return line, you ensure the efficiency of your engines. The product belongs to the category "Lines and pipes" and meets the highest quality standards. Therefore, you can rely on precise functionality and maximize the longevity of your equipment.Suitable for MAN D EnginesThis valuable spare part is suitable for MAN D engines. Weighing only 0.32 kg, the return line offers an excellent combination of lightness and robustness. It ensures that fuel is returned efficiently, enhancing the operational safety and overall performance of your engines.
PRESSURE LINE - 85400008211 suitable for MAN D engines
Pressure line with reference number 85400008211Discover our pressure line with the reference number 85400008211, a crucial replacement part for applications in various engines. This product is designed for use in diesel and gas engines and meets the highest standards to ensure the performance of your systems. Weighing 0.6 kg, the pressure line is both lightweight and durable, making it ideal for marine as well as stationary applications.Quality through OEM replacement partsThe pressure line belongs to the category of lines and pipes and is offered as an OEM replacement part. Suitable for MAN D engines, this pressure line provides excellent fit and longevity. Through strict internal controls, we ensure that all replacement parts meet our high-quality standards and thus fulfill the expectations of our B2B customers.
PIPELINE - 85400007799 suitable for MAN D engines
Pipeline suitable for MAN D enginesDiscover the pipeline with the comparison number 85400007799 – an essential OEM spare part, suitable for MAN D engines. This pipeline belongs to the article group "Lines and pipes" and is distinguished by its excellent craftsmanship and adaptability. Weighing only 0.22 kg, this product is both lightweight and robust, making it ideal for stationary applications as well as in the marine sector.Reliability through OEM spare partsOur pipeline is an OEM spare part and ensures precise fitment, which promotes smooth operations in your engines. The comparison number 85400007799 ensures that you receive the right component for your applications. Rely on the quality that you expect from MOPA Motorparts – we offer only products that meet the highest standards.
PIPELINE - 85400007797 suitable for MAN D engines
Pipeline compatible with MAN D EnginesDiscover our pipeline, which is listed under the comparison number 85400007797. This OEM replacement part is specifically suited for the requirements of MAN D engines and offers the highest quality and precision. With a weight of just 0.8 kg, this pipeline is optimal for your marine and stationary applications.
PRESSURE LINE - 85400007489 suitable for MAN D engines
Pressure line suitable for MAN D enginesDiscover the pressure line with the comparison number 85400007489, a top-quality product specifically tailored for engines. This OEM replacement part combines the highest quality and perfect fit. The pressure line is an indispensable component that ensures optimal performance in your diesel or gas engine.Essential OEM replacement part for enginesThe pressure line belongs to the article group of lines and pipes and is suitable for MAN D engines. With the comparison number 85400007489, you can be sure that this OEM replacement part exceeds your expectations. Every aspect of manufacturing is carefully monitored to ensure long-lasting reliability.
PIPELINE - 85400007485 suitable for MAN D engines
Robust Pipeline for Your Machine NeedsDiscover our pipeline with the comparison number 85400007485, a premium product specifically designed to fit MAN D engines. This pipeline is part of our article group Lines and pipes and offers the necessary stability and reliability that your engines require. With an impressive weight of 0.4 kg, it is both lightweight and robust, ideal for demanding applications.
PRESSURE LINE - 85400007481 suitable for MAN D engines
Pressure line with comparison number 85400007481Discover the pressure line with the comparison number 85400007481, an OEM replacement part specifically designed for MAN D engines. This product solution offers exceptional quality and reliability to ensure the smooth operation of your machines.
RETURN PIPE - 85400007479 suitable for MAN D engines
Return line suitable for MAN D enginesDiscover our return line with the comparison number 85400007479, an essential product for engines used in marine and stationary applications. This return line is suitable for MAN D engines and stands out for its precise fit and high quality. Weighing only 0.3 kg, it is ideal for all the demands you place on your engine's performance.OEM replacement parts for the highest standardsAs an OEM replacement part, the return line with the comparison number 85400007479 meets the strict specifications of the manufacturer. Unlike aftermarket solutions that often do not offer the same quality standard, you receive a product specifically designed for MAN D engines.
PRESSURE LINE - 85400007476 suitable for MAN D engines
Pressure line suitable for MAN D enginesDiscover our pressure line, listed under the comparison number 85400007476. This product is an essential spare part that is optimally suited for MAN D engines. As part of the category lines and pipes, this component offers excellent performance and ensures reliable functionality in your engine.
PRESSURE LINE - 85400007475 suitable for MAN D engines
Pressure line with comparison number 85400007475Discover our pressure line with the comparison number 85400007475. This OEM replacement part is suitable for MAN D engines. Weighing 0.38 kg, this product is not only lightweight but also robust, making it ideal for use in marine as well as stationary applications.Quality of OEM replacement partsThe pressure line belongs to the article group of lines and pipes and meets the highest standards. Unlike aftermarket alternatives, which often vary in performance and fit, our OEM replacement parts offer reliability that only a manufacturer can provide. Trust in quality specifically designed to fit MAN D engines.
PRESSURE LINE - 85400007468 suitable for MAN D engines
Pressure line suitable for MAN D – OEM qualityThe pressure line with the comparison number 85400007468 is an essential OEM spare part for your engines. This product is specifically designed to provide optimal performance when suitable for MAN D engines. Weighing only 0.42 kg, it combines robustness with efficiency, making it ideal for various applications in marine and stationary technology.Quality solutions for marine enginesThis OEM spare part belongs to the article group "Lines and pipes" and ensures that you receive a reliable solution that is perfectly suitable for MAN D engines. Thanks to high manufacturing standards, our products meet the demands you place on high-performance engines.
PRESSURE LINE - 85400006827 suitable for MAN D engines
Quality Pressure Line for Demanding ApplicationsDiscover the pressure line with the comparison number 85400006827, a reliable OEM replacement part specifically designed to support engines powerfully. Weighing only 0.28 kg, this pressure line is ideal for demanding applications in the marine and stationary sectors. Optimize the efficiency of your drive with a product that meets the highest quality standards.Suitable for MAN D – Maximum PerformanceThis pressure line product is suitable for MAN D engines, ensuring excellent fit and functionality. The OEM replacement part is designed for easy installation, allowing you to save time and effort. Rely on our expertise in providing replacement parts in original equipment manufacturer quality, designed for both marine and industrial use.
PIPELINE - 85400006826 suitable for MAN D engines
Premium Pipeline for Your ApplicationsDiscover our pipeline with the comparison number 85400006826, specifically designed for MAN D engines. This OEM replacement part belongs to the article group "Lines and pipes" and provides an optimal solution for extensive applications in marine and stationary technology. Weighing only 0.4 kg, this pipeline is both sturdy and lightweight, making it ideal for reliable operation.High-Quality OEM Replacement Parts for the Highest StandardsWhen choosing your replacement parts, quality is crucial. Our pipeline, suitable for MAN D, represents OEM replacement parts in perfection. Unlike aftermarket products, which often have varying standards, our product ensures that your engine operates smoothly. The OEM replacement part provides the exact fit required for engine performance.
HOSE LINE - 85400006819 suitable for MAN D engines
Precise Hose Line with Comparison Number 85400006819The hose line with the comparison number 85400006819 is an essential product for your engines. This product is specifically designed and compatible with MAN D engines. Weighing only 0.36 kg, this hose line offers a perfect combination of lightness and functionality.
HOSE LINE - 85400006817 suitable for MAN D engines
Hose line with comparison number 85400006817Discover our hose line with the comparison number 85400006817, which is specifically designed to ensure optimal performance. This product belongs to the category of lines and pipes and provides a reliable connection in your application scenarios. With a weight of only 0.4 kg, the hose line offers an excellent balance between stability and lightness.
PIPELINE - 85400006812 suitable for MAN D engines
Pipeline suitable for MAN D enginesThe pipeline with the comparison number 85400006812 is a top-quality OEM replacement part specifically designed to meet the requirements of MAN D engines. Its exact fit ensures that it can be seamlessly integrated into existing systems. Weighing only 0.35 kg, this pipeline combines robustness with lightness and has become an indispensable component for your applications.Advantages of the comparison number 85400006812The comparison number 85400006812 identifies this product from our extensive range of OEM replacement parts. Utilize this component, suitable for MAN D engines, to optimize the efficiency and reliability of your engine. The precise fit not only supports performance but also ensures a long lifespan of the part.
PRESSURE LINE - 85400006810 suitable for MAN D engines
Pressure line with comparison number 85400006810The pressure line with the comparison number 85400006810 is an essential OEM spare part designed to ensure optimal performance and reliability in your application. This pressure line, suitable for MAN D engines, belongs to the product group "Lines and pipes" and ensures smooth operation in the engine circuit through its precise fit. Weighing only 0.4 kg, this product is both lightweight and robust.
SUCTION PIPE - 85400006807 suitable for MAN D engines
Suction pipe suitable for MAN D enginesDiscover the suction pipe with the comparison number 85400006807, an indispensable OEM spare part for your engines. This product is optimally suited for use in marine and stationary applications. Weighing only 0.22 kg, the suction pipe ensures efficient fuel supply, which is crucial for your engine's performance.
NIPPLE - 85400006798 suitable for MAN D engines
Nipple replacement part with comparison number 85400006798Discover our nipple replacement part with the comparison number 85400006798. This product belongs to the category "Lines and pipes" and impresses with its precise fit. Weighing only 0.03 kg, the nipple is perfectly suited for demanding applications in marine and stationary use.Quality of OEM replacement partsOur OEM replacement parts, such as the nipple suitable for MAN D engines, differ significantly from aftermarket products. The comparison number 85400006798 ensures that you receive a part that meets the highest standards. Rely on the excellent functionality that only an OEM replacement part can provide.
NIPPLE - 85400006796 suitable for MAN D engines
High-Performance Nipple: Comparison Number 85400006796Discover our Nipple, which exactly matches the comparison number 85400006796. This OEM spare part is suitable for MAN D engines and belongs to the article group "Lines and pipes." It combines high quality with perfect fit to enhance operational efficiency.Robust and Durable for Highest DemandsWeighing only 0.18 kg, the Nipple offers excellent performance and a long service life. As an OEM spare part, it is designed for MAN D engines and supports reliable functionality in demanding applications in maritime and stationary areas.
RETURN PIPE - 85400006773 suitable for MAN D engines
Return line for optimal engine performanceThe return line with the comparison number 85400006773 is a quality-tested OEM replacement part, categorized in the article group "Lines and pipes." This product is suitable for MAN D engines and ensures efficient fuel return to optimize the performance of your engines.
HOSE LINE - 85400006772 suitable for MAN D engines
Robust Hose Line for Precise ApplicationsDiscover the hose line with the comparison number 85400006772 – an important OEM replacement part that is crucial for the functionality of your engines. This hose line falls into the article group "Lines and pipes" and provides the perfect solution to ensure the efficiency of your machines. Weighing only 0.48 kg, the product is suitable for MAN D engines.
HOSE LINE - 85400006771 suitable for MAN D engines
Discover Hose Line for MAN D Engines Discover the hose line with the comparison number 85400006771, specifically designed to maximize the benefits of your engines. This hose line falls under the category "Lines and pipes" and is the ideal addition to support performance in marine and stationary applications.Quality Through OEM Spare Parts The hose line is suitable for MAN D and is distinguished by its manufacture as an OEM spare part. Weighing only 0.46 kg, this hose line is not only lightweight but also ensures a perfect fit and balanced performance. OEM spare parts offer superior durability, which is particularly valued in critical applications.
PIPELINE - 85400006769 suitable for MAN D engines
Discover Quality Pipeline 85400006769Discover the pipeline with the reference number 85400006769, which meets the highest standards and is an essential OEM replacement part for your engines. This pipeline is suitable for MAN D engines and belongs to the important product group of lines and pipes. Weighing only 0.4 kg, this outstanding product is both lightweight and robust enough for marine and stationary use.
Function and benefits
Marine lines connect key components such as pumps, filters, heat exchangers and tanks. They transport fluids under pressure or vacuum, depending on the system's function. Well-designed engine lines and motor pipes provide:
- Secure fluid transport with minimal pressure loss
- High resistance to vibration, temperature and corrosion
- Reliable performance in continuous operation
Whether it's marine pipes in the engine room or mechanical pipes in auxiliary systems, every connection must meet strict safety and durability standards.
Types and materials
Marine lines and engine pipes are available in various types and materials. Common variants include rigid steel lines, flexible hoses, double-walled pipes for fuel systems, and high-temperature resistant exhaust lines. Motor lines can be configured to carry fluids like oil, coolant, compressed air or fuel depending on the system.
Mechanical lines are often used in hydraulic or pneumatic subsystems and must be able to withstand pulsing pressure. All pipes and fittings must be resistant to seawater, vibration and thermal cycling – especially in marine pipes and offshore applications.
Installation and maintenance
Installing mechanical pipes requires precise routing, strong mounting brackets, and high-quality seals or flanges. Leaks or misalignment can lead to reduced performance or even system failure. During regular inspections, all marine lines and motor pipes should be checked for corrosion, cracks and secure connections.
We supply a broad range of marine lines, engine pipes and system-specific fittings compatible with MTU, Deutz, MAN, Volvo Penta and MWM engines – with fast availability and OEM-level precision for maritime and industrial use.
FAQ
What are marine lines?
Marine lines are pipes and hoses used in ships to transport fluids such as oil, coolant, fuel or exhaust gases. They are designed to withstand harsh marine environments and are essential for engine operation and onboard systems.
What is the difference between engine pipes and mechanical lines?
Engine pipes are typically used in fuel, exhaust and cooling systems of the engine itself. Mechanical lines may include hydraulic or pneumatic pipes used in steering, winch systems or auxiliary machinery. Both must meet high safety and performance standards.
When should marine pipes be replaced?
Marine pipes should be replaced if there are signs of corrosion, wear, vibration damage or leakage. Regular inspections and timely replacement are crucial for preventing failures, especially in high-pressure or high-temperature systems.