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:
HOSE LINE - 85400006768 suitable for MAN D engines
Reliable Hose Line for Your EnginesDiscover the hose line with the comparison number 85400006768, a top-quality product designed for optimal operation, specifically for engines in marine and stationary applications. This hose line is suitable for MAN D engines and provides the necessary reliability and performance you need. Weighing only 0.4 kg, this OEM spare part impresses with its lightweight and efficiency.OEM Spare Parts for the Highest StandardsOur hose line is an excellent OEM spare part that meets the precise requirements of MAN D engines. Rely on products manufactured according to the highest standards to support the optimal functioning of your diesel and gas engines. This component is a crucial part of your engines’ performance.
HOSE LINE - 85400006767 suitable for MAN D engines
Hose line with reference number 85400006767Discover our hose line with the reference number 85400006767, which provides a reliable solution for your needs. This product belongs to the article group of lines and pipes and is specifically designed for engines in marine and stationary applications. Weighing 0.84 kg, the hose line is lightweight yet robust, ideal for high loads.Suitable for MAN D enginesThe spare part is suitable for MAN D engines and offers excellent quality that you can expect from OEM spare parts. Our products ensure not only high functionality but also a long lifespan. Rely on this reliable OEM spare part to enhance the performance of your engine system.
PRESSURE LINE - 85400006759 suitable for MAN D engines
Pressure line for more efficient engines in useDiscover our pressure line with the comparison number 85400006759, an essential OEM spare part specifically designed for MAN D engines. This product belongs to the category "Lines and pipes" and offers an excellent fit that is crucial for both marine and stationary applications. Weighing only 0.28 kg, the pressure line is both lightweight and durable.
SPACER TUBE - 85400006090 suitable for MAN D engines
Excellent Spacer Tube with Comparison Number 85400006090The spacer tube with the comparison number 85400006090 is an important product that has been specifically developed and serves as an OEM replacement part for your needs. It belongs to the category "Lines and pipes" and offers you the assurance of a perfect fit. Weighing only 0.05 kg, this component is light and robust, designed to meet the demands of engine operation.Suitable for MAN D: Reliability in Every ApplicationThis spacer tube is suitable for MAN D engines and meets the high standards of the manufacturer. As an OEM replacement part, it provides reliable performance that you often seek in alternative products without success. Rely on the quality that only the manufacturer can offer to optimize the performance of your engines.
PRESSURE LINE - 85400005294 suitable for MAN D engines
Pressure Line for Engines in UseDiscover our pressure line, which is listed under the comparison number 85400005294. This product is suitable for MAN D engines and represents an essential component in our range. Weighing only 0.4 kg, the pressure line combines functionality and efficiency, which are crucial for the optimal operation of your engine.
SPACER TUBE - 85400005084 suitable for MAN D engines
Spacer tube with comparison number 85400005084Discover our innovative spacer tube with the comparison number 85400005084. This product is specially designed to optimize the performance of engines suitable for MAN D engines. It belongs to the category of lines and pipes and impresses with high functionality and quality.Perfect fit for optimal efficiencyThe spacer tube is an essential OEM replacement part that ensures engines suitable for MAN D run smoothly. Weighing only 0.08 kg, it is easy to install and significantly contributes to the efficiency of your engine. Count on the precise fit and durability of our replacement parts.
PIPELINE - 85400004495 suitable for MAN D engines
Precise Pipeline – Optimal Solution for Your EnginesDiscover our pipeline (comparison number: 85400004495), a high-quality OEM spare part specifically designed and perfectly fitting for MAN D engines. This spare part weighs only 0.08 kg and is therefore ideal for marine and stationary applications. Benefit from the impressive performance and durability you expect from a top-tier product.
PIPELINE - 85400004492 suitable for MAN D engines
Pipeline Suitable for EnginesDiscover the pipeline with the comparison number 85400004492, specifically designed for optimal integration into engines. This product is an OEM replacement part that stands out for its perfect fit, making it an ideal solution for use in demanding applications. The pipeline belongs to the product group "Lines and pipes" and is suitable for applications in marine and stationary environments.Suitable for MAN D EnginesThis pipeline is designed for MAN D engines. With a weight of only 0.16 kg, it combines lightness with robustness. This OEM replacement part offers safety and reliability to ensure smooth operation of your engines. You can trust the quality you expect from a reputable manufacturer.
PIPELINE - 85400004484 suitable for MAN D engines
Precise Pipeline Suitable for MAN D EnginesDiscover our pipeline, listed under the comparison number 85400004484. This product belongs to the category “Lines and pipes” and is specifically designed for use in engines. It is suitable for MAN D engines and represents an essential component in your maintenance.
PIPELINE - 85400004483 suitable for MAN D engines
Pipeline for Effective Engine PerformanceDiscover our precise pipeline, comparison number 85400004483, suitable for MAN D engines. This OEM replacement part offers the highest quality and stability, allowing you to maintain your machines without compromise. Our pipeline is an essential product that ensures optimal performance.
PRESSURE LINE - 85400004247 suitable for MAN D engines
Reliable Pressure Line in FocusDiscover our product, the pressure line with the comparison number 85400004247, tailored for efficient engine solutions. This OEM spare part belongs to the category "Lines and pipes" and stands for optimal performance and durability.Pressure Line Suitable for MAN D EnginesOur pressure line is specifically designed to harmonize optimally with engines suitable for MAN D. At MOPA Motorparts, we exclusively rely on OEM spare parts to support the efficiency of engine technology.
PRESSURE LINE - 85400004237 suitable for MAN D engines
Efficient Pressure Line for MAN D EnginesDiscover the pressure line with the comparison number 85400004237, which has been specifically designed for your needs. This OEM replacement part belongs to the category of lines and pipes and impresses with its quality. Weighing only 0.24 kg, the pressure line is lightweight and easy to install, providing a reliable solution for all applications in marine and stationary use.
PRESSURE LINE - 85400004227 suitable for MAN D engines
Pressure line suitable for MAN D engines Discover our pressure line with the comparison number 85400004227, specifically developed to optimally meet the requirements of engines. This OEM replacement part belongs to the category "Lines and pipes" and offers a perfect combination of functionality and durability, weighing only 0.27 kg.
SUCTION PIPE - 85400004217 suitable for MAN D engines
Suction pipe suitable for MAN D enginesDiscover our product, the suction pipe with the comparison number 85400004217. This OEM spare part is suitable for MAN D engines and ensures reliable performance that maximizes the efficiency of your drive. The comparison number 85400004217 confirms that you receive a compatible spare part that meets your requirements.Lightweight and Durable – Features in DetailWith a weight of only 0.2 kg, the suction pipe is not only lightweight but also extremely sturdy. This OEM spare part is ideal for use in demanding environments. Our suction pipe ensures that your engines operate optimally, while the precise fit ensures the highest quality.
PIPELINE - 85400004197 suitable for MAN D engines
Robust Pipeline for Reliable Engine PerformanceDiscover our pipeline (comparison number: 85400004197), an essential OEM replacement part specifically designed to optimally support engines. This product is suitable for MAN D engines and belongs to the article group "Lines and pipes". Weighing only 0.23 kg, the installation is straightforward and efficient, making it ideal for applications in marine and stationary use.Excellent Quality of OEM Replacement PartsOur pipeline meets the highest standards for replacement parts. As a quality product, it offers durability and reliability for your engines. By using these replacement parts, you enhance the performance of your machines and ensure smooth operation.
PRESSURE LINE - 85400004196 suitable for MAN D engines
Pressure line suitable for MAN D enginesExperience the performance of the pressure line with the comparison number 85400004196, specifically designed for applications in MAN D engines. This OEM replacement part impresses with its superior fit and is optimally tailored to the requirements of engines used in marine and stationary applications. Weighing 0.42 kg, it offers robustness and durability.
PIPELINE - 85400004068 suitable for MAN D engines
Precise Product with Comparison Number 85400004068Discover our pipeline with comparison number 85400004068, suitable for MAN D engines. This product from the article group lines and pipes offers you an ideal solution for the reliable operation of your engines in marine and stationary applications. Weighing only 0.36 kg, the pipeline is not only lightweight but also robust and durable.OEM Replacement Parts for the Highest StandardsOur pipeline is a top-quality OEM replacement part that provides you with the precision and quality essential for satisfaction in application. Each OEM replacement part is manufactured according to strict quality standards, ensuring you can rely on its durability and functionality. By using this pipeline, you can significantly enhance the performance of your engines.
HOSE LINE - 85400004067 suitable for MAN D engines
Reliable Hose Line for Your EnginesOur hose line with the comparison number 85400004067 is an essential OEM spare part specifically designed to meet all the requirements for suitable for MAN D engines. This product offers optimal performance of your systems due to its precise fit and durability.
HOSE LINE - 85400004066 suitable for MAN D engines
Hose line 85400004066 for Your ApplicationsDiscover our product, the hose line with the comparison number 85400004066. This hose line belongs to the article group of lines and pipes and has been precisely designed to meet the highest requirements in marine and stationary applications. Weighing only 0.8 kg, it offers an ideal balance of lightness and stability.
PRESSURE LINE - 85400004065 suitable for MAN D engines
Premium Pressure Line for MAN D EnginesThe pressure line with the comparison number 85400004065 is an OEM spare part specifically designed to ensure optimal performance for engines. This product is suitable for MAN D engines and provides a reliable flow of operating fluids. Weighing only 0.42 kg, it offers an excellent combination of robustness and efficiency, making it ideally suited for marine and stationary applications.Precision of Comparison Number 85400004065Please note the comparison number 85400004065, which helps you quickly identify the appropriate OEM spare part. In the category Lines and pipes, this product is essential for ensuring the functionality of your engines. It combines the highest precision and durability, which is reflected in the reliable performance of your machines.
PRESSURE LINE - 85400004064 suitable for MAN D engines
Pressure line compatible with MAN D enginesDiscover our pressure line, listed under the comparison number 85400004064. This OEM replacement part offers the highest quality, specifically designed for your requirements in marine applications or stationary operation. Weighing only 0.42 kg, the pressure line is both lightweight and durable, ensuring optimal performance.Efficiency for your engine systemThis pressure line belongs to the article group "lines and pipes" and is compatible with MAN D engines. It ensures efficient fluid transport, which is crucial for the reliability of your engines. Rely on our OEM replacement parts that meet strict quality standards, thus supporting the performance of your system.
PRESSURE LINE - 85400003384 suitable for MAN D engines
Pressure line with comparison number 85400003384Discover the pressure line with comparison number 85400003384, an essential component for optimal engine performance. This OEM spare part belongs to the group of "Lines and pipes" and is specifically suitable for MAN D engines. Weighing only 0.15 kg, this product can be easily integrated into your existing infrastructure.Reliable Solutions for Engine PerformanceThe pressure line is a top-quality OEM spare part that offers you quality and efficiency. Suitable for MAN D, it ensures that your engines operate smoothly. Operating costs and downtime are significantly minimized due to the excellent quality of this spare part, allowing you to advance your projects effectively and successfully.
SPACER TUBE - 85400002790 suitable for MAN D engines
Premium Spacer Tube: Comparison Number 85400002790Discover our spacer tube with the comparison number 85400002790, specifically designed to meet the requirements for marine and stationary use. This product is suitable for MAN D engines and belongs to the category of lines and pipes. Weighing only 0.01 kg, it offers the ideal combination of lightness and functionality.
RETURN PIPE - 85400002651 suitable for MAN D engines
Reliable Return Line in FocusDiscover the return line with the comparison number 85400002651, suitable for MAN D engines. This product belongs to the category of lines and pipes and plays an essential role in the efficiency of your engine system. Weighing only 0.38 kg, the return line can be easily installed and integrated.Exclusive OEM Spare Parts for Your EnginesThe return line is an excellent OEM spare part that meets the highest standards. As an OEM spare part, it provides the ideal complement to your existing parts and ensures that your machines operate reliably. Trust our over 25 years of experience in the field of spare parts for engines.
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.