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 - 85000015156 suitable for MAN D engines
Return Line – An Essential ProductDiscover the return line (comparison number: 85000015156), an indispensable OEM spare part for all applications in marine and stationary engines. Weighing 1.76 kg, this component belongs to the category of lines and pipes and meets the highest standards. The return line offers the perfect functionality and reliability required in the industry.
COOLING WATER PIPE - 85000015116 suitable for MAN D engines
Quality with Comparison Number 85000015116Discover our cooling water pipe with the comparison number 85000015116, designed as an OEM replacement part. This product is specifically suitable for MAN D engines and belongs to the category "Lines and pipes". Weighing only 0.55 kg, it offers an excellent combination of robustness and lightness, making installation easy.
COOLING WATER PIPE - 85000014846 suitable for MAN D engines
Optimal Cooling Water Pipe for MAN D EnginesDiscover our reliable cooling water pipe with the comparison number 85000014846, specifically designed to keep your engines in top condition. This product fits perfectly for MAN D engines and impresses with its precise fit. Weighing a convenient 0.38 kg, it ensures efficient performance and durability, which are essential for marine and stationary use.Premium OEM Spare Parts for Drive SystemsIn the category lines and pipes, you will find our cooling water pipe, developed as an OEM spare part. Thanks to the high quality of these OEM spare parts, you are always on the safe side when it comes to keeping your engines running. The cooling water pipe meets all relevant standards, making it an ideal choice for maintenance.
COOLING WATER PIPE - 85000014842 suitable for MAN D engines
Cooling Water Pipe for MAN D EnginesThe cooling water pipe with the comparison number 85000014842 is an essential OEM replacement part specifically designed for engines used in marine and stationary applications. This product belongs to the category "Lines and pipes" and ensures efficient cooling. Weighing only 0.32 kg, it represents optimal performance and durability.Precise Fit and Quality of Replacement PartsThis cooling water pipe is compatible with MAN D engines and offers a perfect fit due to its precise manufacturing. Each OEM replacement part meets the high-quality standards of the original equipment, ensuring reliable operation of your engines. Rely on tested quality that is tailored to your engine-specific needs.
INTAKE MANIFOLD - 85000014741 suitable for MAN D engines
Efficient Intake Manifold with Comparison Number 85000014741Discover our intake manifold with the comparison number 85000014741, which ensures excellent air supply for engines. This OEM replacement part is essential for the efficient operation of your engine. With top-notch quality, this product ensures that your machine consistently delivers the necessary performance.Suitable for MAN D EnginesThis intake manifold is suitable for MAN D engines and provides the reliability required for marine and stationary use. With our decades of experience in the distribution of OEM replacement parts, we understand the importance of a precise fit. Weighing only 0.55 kg, the replacement part is easy to install without compromising functionality.
COOLING WATER PIPE - 85000014728 suitable for MAN D engines
Robust Cooling Water PipeDiscover our cooling water pipe, comparison number 85000014728, which is suitable for MAN D engines. This product belongs to the category "lines and pipes" and ensures reliable cooling.Original Equipment Manufacturer Quality Without CompromiseOur OEM spare parts are manufactured in original equipment quality, thus meeting the highest standards. With this cooling water pipe, you receive a product suitable for MAN D engines that supports optimal engine performance.
COOLING WATER PIPE - 85000014718 suitable for MAN D engines
Cooling water pipe with comparison number 85000014718Discover our cooling water pipe with the comparison number 85000014718, specifically designed to ensure outstanding performance. This significant product belongs to the category "Lines and pipes" and ensures that your engine is always optimally cooled. It is suitable for MAN D engines and thus an essential component for marine and stationary applications.Optimal performance thanks to OEM replacement partsWe offer you a reliable OEM replacement part with our cooling water pipe, distinguished by the highest quality. The comparison number 85000014718 indicates that this product meets the strict standards of the manufacturer. Weighing only 0.4 kg, it is both lightweight and durable, ensuring that your MAN D engines remain highly efficient.
INTAKE PIPE - 85000014708 suitable for MAN D engines
Intake pipe compatible with MAN D enginesDiscover our intake pipe (comparison number: 85000014708), which serves as an essential OEM spare part for your engines. This product offers you excellent fit and is perfectly tailored to the requirements of MAN D engines.Qualified for the highest demandsThe intake pipe, compatible with MAN D, belongs to the category of lines and pipes. It has been manufactured under the highest quality standards to ensure optimal performance in marine and stationary applications. Rely on the reliability of our OEM spare parts.
COOLING WATER PIPE - 85000014696 suitable for MAN D engines
Discover Cooling Water Pipe for MAN D EnginesDiscover our cooling water pipe (comparison number: 85000014696), an OEM replacement part that offers a perfect solution for your needs. This product is suitable for MAN D engines and ensures that your machine is efficiently cooled. Weighing only 0.72 kg, it is not only easy to install but also optimally suited for marine and stationary applications.Replacement Parts in Original Equipment Manufacturer QualityOur cooling water pipe belongs to the category "Lines and pipes" and provides you with replacement parts in original equipment manufacturer quality at attractive prices. All products we offer are OEM replacement parts that meet the highest industry standards. Thus, you can be confident that the cooling water pipe offers a long lifespan and reliability.
COOLING WATER PIPE - 85000014605 suitable for MAN D engines
Cooling water pipe with comparison number 85000014605Discover the cooling water pipe marked with the comparison number 85000014605. This product is suitable for MAN D engines and provides an ideal solution for effective cooling water supply. In the category of lines and pipes, it is essential for the smooth operation of your engines.Robust quality for demanding applicationsThe cooling water pipe weighs 0.5 kg and is a perfect choice for applications in marine and stationary fields. As an OEM replacement part, it ensures a precise fit that matches original specifications. Rely on the reliability of this OEM replacement part, which optimizes the performance of your MAN D engines.
BREATHER TUBE - 85000014603 suitable for MAN D engines
Reliable Breather Tube for MAN D EnginesDiscover the breather tube with the comparison number 85000014603, specially designed to ensure optimal performance. This OEM replacement part belongs to the group of lines and pipes and provides excellent functionality in engines. With a lightweight of only 0.08 kg, installation is effortless and efficient.Comparison Number 85000014603 – Your Key to QualityThe comparison number 85000014603 is crucial for top-quality OEM replacement parts suitable for MAN D engines. Our products provide you with the exact fit and quality that your engines need, unlike aftermarket products.
COOLING WATER PIPE - 85000014597 suitable for MAN D engines
Precise Cooling: Cooling Water Pipe for Reliable ApplicationsDiscover our Cooling water pipe, distinguished by the comparison number 85000014597. This product is suitable for MAN D engines and belongs to the category of lines and pipes. Reliable cooling is essential for the performance of engines used in both marine and stationary applications. Weighing only 0.5 kg, it also offers easy handling.
INTAKE PIPE - 85000014586 suitable for MAN D engines
Intake pipe with comparison number 85000014586Discover our intake pipe, equipped with the comparison number 85000014586. This product is an OEM replacement part that ensures maximum efficiency for your engines.
INTAKE MANIFOLD - 85000014584 suitable for MAN D engines
Intake Manifold suitable for MAN D enginesDiscover our intake manifold marked with the reference number 85000014584. This OEM replacement part optimizes the performance of your engine and offers excellent quality that you can expect from an OEM replacement part.
INTAKE MANIFOLD - 85000014464 suitable for MAN D engines
Intake manifold: Efficient Air Supply for Your EngineDiscover our intake manifold with the comparison number 85000014464, offered as an OEM replacement part. This product is suitable for MAN D engines and impresses with excellent construction that maximizes the performance and efficiency of your engines.
INTAKE PIPE - 85000014437 suitable for MAN D engines
Intake pipe – Your Reliable ProductDiscover our intake pipe (comparison number 85000014437), designed as an OEM replacement part for engines. This product is suitable for MAN D engines and belongs to the category "Lines and pipes". It ensures optimal functionality.Suitable for MAN D Engines – Quality from ExperienceOur comparison number 85000014437 refers to an OEM replacement part that has been perfectly developed for the requirements of MAN D engines. This intake pipe offers you outstanding fit. Trust in the expertise of MOPA Motorparts for your engine accessories.
INTAKE MANIFOLD - 85000014432 suitable for MAN D engines
Optimal Intake Manifold for MAN D EnginesThe intake manifold with the comparison number 85000014432 is a top-quality OEM replacement part that ensures optimal air supply in engines. This product belongs to the category "Lines and pipes" and is specifically designed for MAN D engines. A correctly functioning air intake system is crucial for the performance and efficiency of your engines.
INTAKE MANIFOLD - 85000014431 suitable for MAN D engines
Efficient Intake Manifold for High-Performance EnginesThe intake manifold with the comparison number 85000014431 is an essential OEM spare part that ensures optimal airflow for engines. Weighing 1.32 kg, this product provides ideal conditions for maximum efficiency. It belongs to the article group Lines and pipes and meets the highest standards of performance and reliability.Tailored Solution: OEM Spare Parts Suitable for MAN DOur intake manifold is suitable for MAN D engines and offers a tailored solution for your application area. Every OEM spare part we sell is manufactured under strict quality standards, ensuring long-term use and improved engine performance. With this product, you are investing in the durability of your engines.
INTAKE PIPE - 85000014410 suitable for MAN D engines
Performance: Intake pipe comparison number 85000014410Discover the intake pipe, comparison number 85000014410, specifically designed for MAN D engines. With a quality that meets OEM standards, this product ensures a top-notch air supply. As part of the "Lines and pipes" category, it is ideally suited for marine and stationary applications, maximizing the efficiency of your engines.Reliable Quality: Focus on OEM Spare PartsOur intake pipe, offered as an OEM spare part, represents high precision and durability. The comparison number 85000014410 ensures compatibility with MAN D engines. Rely on our OEM spare parts, known for their reliability and lasting performance. These features are crucial to meet your B2B requirements.
INTAKE PIPE - 85000014405 suitable for MAN D engines
Intake pipe with comparison number 85000014405Discover our intake pipe, marked with the comparison number 85000014405. This OEM spare part is ideal for engines used in marine and stationary applications. The high precision and durability of the product ensure optimal functionality in various applications.Suitable for MAN D engines – Optimal performanceOur intake pipe is specially designed for MAN D engines. As an OEM spare part, it meets the highest standards and ensures that your engines operate reliably at all times. Trust in the performance associated with the comparison number 85000014405.
INTAKE MANIFOLD - 85000014400 suitable for MAN D engines
Intake Manifold with Comparison Number 85000014400Experience the intake manifold with comparison number 85000014400, which has been specifically designed to work optimally with MAN D engines. This product from the category "Lines and pipes" offers impressive quality and durability that you need. Weighing only 1.22 kg, it is lightweight yet powerful.Reliable OEM Replacement Parts for Your EnginesThe intake manifold is an OEM replacement part that meets the highest standards. OEM stands for Original Equipment Manufacturer, which means you can expect exceptional quality. This replacement part is ideal for diesel and gas-powered engines. Rely on the reliability that comes with comparison number 85000014400 to maximize the efficiency of your engines.
INTAKE MANIFOLD - 85000014398 suitable for MAN D engines
Robust Intake Manifold for Optimized Engine PerformanceDiscover our intake manifold with the comparison number 85000014398. This product is categorized under lines and pipes and offers top-notch quality to optimize the performance of your engines. Weighing only 0.48 kg, it is ideal for stationary and marine applications where efficiency and reliability are crucial.Suitable for MAN D EnginesThe intake manifold, suitable for MAN D engines, ensures optimal airflow and thus excellent engine performance. As an OEM replacement part, it meets the highest standards and contributes to the longevity of your machines. Rely on the quality that only OEM replacement parts can provide to enhance the functionality of your systems.
INTAKE MANIFOLD - 85000014397 suitable for MAN D engines
Intake manifold with reference number 85000014397The intake manifold with the reference number 85000014397 is an essential OEM spare part that meets the highest quality standards. This product is specifically tailored to the requirements of MAN D engines and provides excellent air intake. Weighing 1.1 kg, this component ensures stability and durability.
INTAKE PIPE - 85000014395 suitable for MAN D engines
Quality for Your EnginesDiscover our product, the intake pipe with the comparison number 85000014395, specially designed for flawless performance. This OEM spare part belongs to the lines and pipes category and offers an ideal solution for compatible MAN D engines. Weighing 7.68 kg, it provides the robustness and reliability essential for engine operation.Suitable for MAN D EnginesThe intake pipe is suitable for MAN D and has been manufactured with the utmost care to meet the demands of professional users. This OEM spare part ensures maximum efficiency and performance of your engines. Trust in our 25 years of expertise and the experience of our second-generation family business.
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.