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:
OIL LINE - 85000012664 suitable for MAN D engines
Oil line – Comparison number 85000012664 Discover the oil line with the comparison number 85000012664, an essential product for your needs. This spare part belongs to the category of lines and pipes and is ideally suited for use in engines. Weighing only 0.32 kg, this oil line is both lightweight and robust.
PRESSURE OIL LINE - 85000012651 suitable for MAN D engines
Pressure oil line suitable for MAN D enginesThe pressure oil line with the comparison number 85000012651 is a high-quality OEM replacement part specifically designed for the requirements of marine and stationary engines. This product impresses with its reliability and optimal functionality, which is crucial for the operation of engines.Suitable solution for MAN DOur pressure oil line is compatible with MAN D engines and ensures that your engine remains powerful. Weighing only 0.27 kg, this OEM replacement part allows for easy installation and handling, ensuring that your operations are not disrupted.
INTAKE MANIFOLD - 85000012505 suitable for MAN D engines
Optimal Components for Your ApplicationsDiscover our intake manifold with the comparison number 85000012505, designed to be powerful and efficient. This OEM replacement part is perfectly suitable for diesel and gas engines to achieve optimal results.Suitable for MAN D EnginesOur intake manifold is suitable for MAN D engines and ensures that you receive the same quality as from the manufacturer. This product is an OEM replacement part that offers quality and reliability.
INTAKE PIPE - 85000012472 suitable for MAN D engines
Intake pipe with comparison number 85000012472Discover our intake pipe, which is marked with the comparison number 85000012472. This product belongs to the article group of lines and pipes and ensures top performance in various applications. It has been precision manufactured and weighs 4.32 kg, providing stability and reliability.OEM replacement parts suitable for MAN D enginesOur intake pipe is an OEM replacement part designed for MAN D engines. With this product, you are relying on quality and durability. Trust in our expertise and many years of experience in providing OEM replacement parts for diesel and gas engines.
OIL PRESSURE HOSE - 85000012469 suitable for MAN D engines
Robust Pressure Oil Line for Your ApplicationsThe pressure oil line with the comparison number 85000012469 is an essential OEM spare part specially designed to ensure the efficiency of your engines. Weighing only 0.12 kg and featuring a precise fit, this product is ideal for use in various applications. The quality of this pressure oil line significantly contributes to the performance of your machines.
INTAKE MANIFOLD - 85000012465 suitable for MAN D engines
Excellent Intake Manifold for MAN D EnginesDiscover our excellent intake manifold, offered as an OEM replacement part with the comparison number 85000012465. This product impresses with its precision and reliability, which are crucial for the performance of your engines.
INTAKE PIPE - 85000012460 suitable for MAN D engines
Intake pipe suitable for MAN D enginesDiscover our intake pipe (comparison number 85000012460), which has been specifically designed to meet the requirements of MAN D engines. This robust product belongs to the group of lines and pipes and ensures optimal air supply, which is crucial for the efficiency of your engines. Weighing 13.35 kg, the intake pipe offers stability and durability, essential in maritime and stationary applications.
INTAKE MANIFOLD - 85000012435 suitable for MAN D engines
Powerful Intake Manifold for EnginesThe intake manifold with the comparison number 85000012435 is a top-quality product that significantly contributes to the performance of compatible with MAN D engines. Weighing 0.8 kg, this product provides a reliable solution for air supply, which is essential for engine operation.Compatible with MAN D EnginesThis product is compatible with MAN D engines and ensures optimal air supply. The use of an OEM replacement part ensures that you receive the quality you expect from a manufacturer. Unlike aftermarket parts, you can rely on the durability and efficiency of our OEM replacement parts.
PRESSURE LINE - 85000012434 suitable for MAN D engines
Pressure line with comparison number 85000012434Discover our Pressure line with the comparison number 85000012434, specifically designed to meet a variety of requirements in engines. This spare part impresses with quality and reliability and is categorized under the group of Lines and pipes.
SUCTION PIPE - 85000012412 suitable for MAN D engines
Suction Pipe for MAN D EnginesDiscover our suction pipe with the comparison number 85000012412, specifically designed for engines compatible with MAN D. This high-quality OEM replacement part meets the highest industry standards and ensures reliable use. Weighing only 0.33 kg, the suction pipe combines lightness and robustness, efficiently contributing to the overall performance of your engines.
INTAKE MANIFOLD - 85000012409 suitable for MAN D engines
Quality Intake Manifold with Comparison Number 85000012409Discover the intake manifold with comparison number 85000012409, an essential OEM replacement part that ensures optimal air supply to engines. This product in the category "Lines and pipes" is a crucial component to enhance the efficiency and performance of your engine. Weighing only 1.2 kg, it offers the perfect combination of robustness and lightness.Suitable for MAN D EnginesOur intake manifold is suitable for MAN D engines and meets the highest standards of OEM replacement parts. By using this replacement part, you ensure that your engine operates reliably even under demanding conditions and maximizes its performance. Trust in the quality that only OEM replacement parts can provide.
INTAKE MANIFOLD - 85000012406 suitable for MAN D engines
Powerful Intake Manifold for Your ApplicationsDiscover our intake manifold with the comparison number 85000012406, an indispensable OEM replacement part that meets the highest standards. This product belongs to the category of "lines and pipes" and is suitable for MAN D engines. Weighing 0.85 kg, it ensures optimal airflow to maximize the efficiency of your engines and enhance their performance in marine and stationary applications.
COOLING WATER PIPE - 85000012396 suitable for MAN D engines
Efficient Cooling Water Pipe: Comparison Number 85000012396The cooling water pipe with the comparison number 85000012396 is an essential OEM replacement part that contributes to the optimal operation of your engines. This pipe is a top choice for the category of lines and pipes.Compatible with MAN D Engines: Quality as a FoundationOur cooling water pipe is specifically designed and compatible with MAN D engines. With OEM replacement parts, you ensure that you receive only the best quality and reliability for your engines. Compared to aftermarket products, the cooling water pipe offers optimal fit and durability.
COOLING WATER PIPE - 85000012394 suitable for MAN D engines
First-class Cooling Water Pipe for MAN D EnginesDiscover our cooling water pipe with comparison number 85000012394, which is essential for optimal cooling of your engine. This OEM replacement part belongs to the article group "lines and pipes" and is specifically designed to be fully compatible with engines suitable for MAN D.
COOLING WATER PIPE - 85000012392 suitable for MAN D engines
Cooling Water Pipe for Efficient OperationOur cooling water pipe with the comparison number 85000012392 impresses with its functionality. This product is an essential component that ensures optimal cooling for your engines. The cooling water pipe enhances effectiveness and contributes to the longevity of your systems.
COOLING WATER PIPE - 85000012391 suitable for MAN D engines
Cooling Water Pipe with Comparison Number 85000012391Discover our cooling water pipe with the comparison number 85000012391, which offers OEM spare parts in original equipment manufacturer quality. This product is specifically designed to ensure optimal cooling capabilities for your engines.Suitable for MAN D Engines: Your SolutionOur cooling water pipe is suitable for MAN D engines and enables efficient coolant circulation. Thanks to the high precision of the OEM spare parts, you can rely on excellent performance from your machine.
COOLING WATER PIPE - 85000012390 suitable for MAN D engines
Excellent Cooling Water Pipe for EnginesDiscover our cooling water pipe, which is marked with the comparison number 85000012390. This product is an OEM replacement part specifically designed to ensure optimal performance. With a precise fit, the cooling water pipe is suitable for MAN D engines and impresses with its durability and efficiency.Perfect Fit for MAN D EnginesThe cooling water pipe you purchase from us is a robust component that is suitable for MAN D engines. This OEM replacement part ensures that your cooling system operates effectively to prevent overheating. Additionally, it helps reduce operating costs by optimizing the overall performance of the engine.
COOLING WATER PIPE - 85000012371 suitable for MAN D engines
Optimal Cooling Water Pipe for Efficient Engines Discover our cooling water pipe (comparison number: 85000012371), an essential OEM replacement part suitable for MAN D engines. With this product, you secure quality and optimal performance for your engine. In the category lines and pipes, it is one of the essential components for efficient cooling.Large Selection of OEM Replacement Parts At MOPA Motorparts, you will find an extensive selection of over 1 million replacement parts in original equipment manufacturer quality. These OEM replacement parts are designed to optimally support your engines and keep them efficient. The cooling water pipe significantly contributes to the longevity and efficiency of your engines.
COOLING WATER PIPE - 85000012370 suitable for MAN D engines
Cooling Water Pipe: Your Efficient SolutionThe cooling water pipe with the reference number 85000012370 is an indispensable product for every operator of engines. This valuable part ensures efficient cooling, thus contributing to the optimal performance of your machines. Weighing in at 1.1 kg, the cooling water pipe can be easily integrated into various systems and is particularly durable.Quality and Reliability of OEM Replacement PartsOur cooling water pipe is an OEM replacement part that meets the highest quality standards. It has been specifically designed to be compatible with MAN D engines and ensures reliable functionality. Our commitment to quality ensures that you benefit from these high-quality components in the long term.
COOLING WATER PIPE - 85000012369 suitable for MAN D engines
Quality Cooling Water Pipe for Efficient EnginesThe cooling water pipe with the comparison number 85000012369 is a premium replacement part specifically designed for the requirements of engines. This product is suitable for MAN D engines and belongs to the category "Lines and pipes." Weighing only 0.6 kg, it stands out for its optimal performance in marine and stationary applications. Rely on this product to enhance the efficiency of your machines.
COOLING WATER PIPE - 85000012351 suitable for MAN D engines
Precise Cooling Water Pipe for ENGINE PERFORMANCEThe cooling water pipe with the reference number 85000012351 is an indispensable OEM spare part specifically designed to maximize the efficiency of engines. This product impresses with its high-precision workmanship and perfect fit. Weighing 1.1 kg, it is not only lightweight but also easily integrates into existing cooling systems.Quality That Convince – Suitable for MAN D EnginesThis cooling water pipe is suitable for MAN D engines and ensures optimal cooling. The item group "lines and pipes" includes this component, which is specifically designed to support the performance and longevity of the engines. A well-functioning cooling system is crucial for preventing overheating and ensures smooth engine performance.
COOLING WATER PIPE - 85000012342 suitable for MAN D engines
Cooling water pipe suitable for MAN D enginesDiscover our cooling water pipe (reference number: 85000012342), a top-quality product from the category lines and pipes. This cooling water pipe is suitable for MAN D engines and provides a precise solution for your needs.
COOLING WATER PIPE - 85000012294 suitable for MAN D engines
Cooling Water Pipe for MAN D Engines BuyDiscover the innovative cooling water pipe with the comparison number 85000012294, an essential OEM spare part for your operation. This product is specifically designed to optimize the performance of your engines. Weighing 0.58 kg, the cooling water pipe ensures efficient cooling, reliably preventing overheating of your machines.
BREATHER TUBE - 85000012207 suitable for MAN D engines
BREATHER TUBE with the comparison number 85000012207 suitable for MAN D 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.