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:
COOLANT PIPE - 04903640 suitable for MWM & Deutz engines
Quality That Earns TrustOur coolant pipe with the comparison number 04903640 is an essential OEM replacement part, suitable for MWM & Deutz engines. This pipe ensures that your engines are optimally cooled and operate reliably. At MOPA Motorparts, you will find a comprehensive stock of replacement parts to meet your needs quickly and efficiently.
PRESSURE LINE - 04425493 suitable for MWM & Deutz engines
Reliable Pressure Line for Confidence in PerformanceDiscover the pressure line with the comparison number 04425493, an important product that offers solutions for your engines. This OEM replacement part belongs to the article group Lines and pipes and is designed to provide efficient fuel injection while helping to optimize the performance of your systems.Effectively Suitable for MWM & Deutz EnginesThe product is suitable for MWM & Deutz engines, ensuring smooth functionality in various applications. The replacement part with the comparison number 04425493 meets the highest quality standards and offers durable performance that is essential for stationary use as well as in the marine sector.
FUEL LINE - 04426810 suitable for MWM & Deutz engines
Premium Fuel Line for Your Needs Discover our fuel line with the comparison number 04426810, specifically designed to function as a reliable OEM replacement part in your engine system. This line is ideally suited for MWM & Deutz engines and ensures a continuous fuel supply.Perfect Fit for MWM & Deutz Engines This fuel line is precisely designed for MWM & Deutz. Thus, you benefit from a product that seamlessly integrates with the functional components of these manufacturers. Modifications to the fuel line have never been easier.
PIPELINE - 04411628 suitable for MWM & Deutz engines
Robust Pipeline for Efficient OperationDiscover our product, the pipeline with the reference number 04411628. This OEM spare part is crucial for the efficient operation of your engines and has been specifically designed to support optimal functionality.Suitable for MWM & Deutz EnginesOur pipeline is suitable for MWM & Deutz engines and offers a precise fit as well as long-lasting operational reliability. Rely on this OEM spare part to keep your engines performing at a high level and to prevent costly breakdowns.
PRESSURE LINE - 04418050 suitable for MWM & Deutz engines
Excellent Options with Comparison Number 04418050 Discover our product, the pressure line with comparison number 04418050. This OEM spare part delivers reliable performance in specialized applications. We offer you a product that is also aligned with the highest quality standards.Suitable for MWM & Deutz Engines The pressure line is suitable for MWM & Deutz engines and demonstrates excellent usability in various applications. Our OEM spare parts are specifically tailored to the requirements of these well-known manufacturers and favor optimal performance.
GUIDE TUBE - 04905216 suitable for Deutz engines
Guide tube compatible with Deutz enginesDiscover our guide tube with the reference number 04905216, which has been developed as an OEM replacement part. This product is perfectly suited for use in Deutz engines. With a lightweight of only 0.062 kg, it offers high efficiency and performance in demanding environments.
GUIDE TUBE - 04911142 suitable for Deutz engines
Guide tube for bygde engine useThe replacement part with the comparison number 04911142 is a top-quality guide tube suitable for various Deutz engines. In the category "Lines and pipes," this OEM replacement part proves to be indispensable for the optimal functionality of your engines.
PRESSURE LINE - 04402809 suitable for MWM & Deutz engines
High-Performance Pressure Line for Your ApplicationsDiscover the pressure line, comparison number 04402809, specifically designed for engines. This product belongs to the category "Lines and pipes" and ensures optimal efficiency in your application. Manufactured with the highest precision, it offers durability and reliable performance.Ideal Fit for MWM & Deutz EnginesThe pressure line is compatible with renowned manufacturers like MWM & Deutz and is suitable for various engines. The OEM replacement part assures you the best quality you expect from a leading provider. Rely on our range for your specific requirements.
COOLANT PIPE - 04425384 suitable for MWM & Deutz engines
Coolant pipe with comparison number 04425384 Discover the coolant pipe with comparison number 04425384. This OEM replacement part is crucial for the optimal performance of engines.Suitable for MWM & Deutz The coolant pipe, suitable for MWM & Deutz engines, belongs to the category "Lines and pipes." Rely on the quality of this product for use in demanding applications.
FUEL LINE - 04908154 suitable for Deutz engines
Premium Fuel Line Suitable for Deutz EnginesDiscover our functional fuel line with the comparison number 04908154, specifically designed for use in Deutz engines. This product ensures optimal fuel flow and performance, which are essential for reliable operation.Excellent Quality for Your RequirementsWith the comparison number 04908154, you receive a product that meets the highest standards and is suitable for Deutz. Our products have been tested to ensure they integrate seamlessly into your applications and provide high-quality solutions for your engines.
RETURN LINE - 04422479 suitable for MWM & Deutz engines
Return line: Quality for Your Engine TechnologyDiscover the return line (part number: 04422479), an essential OEM replacement part specifically designed to fit MWM & Deutz engines. This product not only ensures flawless performance but also optimizes the longevity of your engines in maritime or stationary applications.
SUCTION PIPE - 04391898 suitable for MWM & Deutz engines
Suction pipe with comparison number 04391898Discover our suction pipe with the comparison number 04391898, an essential OEM replacement part that can be perfectly integrated into your machine. This product is indispensable for the optimal functionality and performance of your engines.Suitable for MWM & Deutz enginesThe suction pipe is suitable for MWM & Deutz engines and supports efficient fuel transport. This combination increases the effectiveness of your machine, whether in maritime or stationary use. Here you can find out why our OEM replacement parts are the best choice.
GUIDE TUBE - 04907084 suitable for Deutz engines
Essential Guide Tube for Your Needs The guide tube with the comparison number 04907084 is an essential OEM spare part that meets various requirements. As part of the article group lines and pipes, it ensures a reliably functioning connection of your engines and improves their lifespan. This product is an integral part of your operations, where the highest precision is required.Performance Through Tested OEM Spare Parts The guide tube, compatible with Deutz engines, offers an ideal solution for your needs due to its excellent quality. The comparison number 04907084 indicates that this product is optimally tailored for maritime and stationary applications.
LUBRICAT. OIL LINE - 04503377 suitable for Deutz engines
Excellent Product with Comparison Number 04503377Discover the Lubricat. oil line with the comparison number 04503377, an essential OEM replacement part that optimally supports your engines. This product is specially designed to meet the demands of reliable Lines and pipes and enhance the performance of your machines.
HOSE LINE - 04412886 suitable for MWM & Deutz engines
Efficient Hose Line for ProfessionalsThe hose line with the reference number 04412886 is the high-performance product you are looking for. It belongs to the category "Lines and pipes" and offers a reliable solution that has been specifically designed to work efficiently.Suitable for MWM & Deutz EnginesThis OEM replacement part is compatible with MWM & Deutz engines and ensures smooth operation. With the reference number 04412886, you can be confident that you are purchasing a product that meets all the requirements of your machines perfectly.
PRESSURE LINE - 04423597 suitable for MWM & Deutz engines
Pressure line for various engine applicationsDiscover our pressure line, comparison number 04423597, an essential OEM replacement part specifically designed for MWM & Deutz engines. This product belongs to the category of lines and pipes and impresses with its quality.
RETURN LINE - 04409210 suitable for MWM & Deutz engines
First-Class Spare Part: Return LineThe return line with the comparison number 04409210 is a first-class OEM spare part designed specifically for high-performance engines. This product ensures reliable functionality and belongs to the article group Bearings.
RETURN LINE - 04419026 suitable for MWM & Deutz engines
Return Line for High-Performance Engines Discover our return line (comparison number: 04419026), which has been specifically designed to create a reliable connection in your engines. This product is a top-quality replacement part that supports the functionality of your machines and is built for durability.
FUEL LINE - 04900034 suitable for Deutz engines
Excellent Fuel Line for Various ApplicationsOur fuel line (comparison number: 04900034) provides you with a reliable and powerful solution for engines in the diesel and gas engine segment. This product belongs to the category of OEM replacement parts and has been designed to meet the highest demands. With a weight of 0.435 kg, this fuel line is lightweight yet robust and reliable in operation.
PRESSURE LINE - 04416530 suitable for MWM & Deutz engines
Convincing Pressure Line - Quality for EnginesDiscover our Pressure Line with the comparison number 04416530, which is indispensable for the operation of MWM & Deutz engines. This OEM spare part meets the highest standards and offers optimal performance. Order the appropriate spare part now to ensure the smooth functioning of your engines.Efficient Performance Through OEM Spare PartsThe Pressure Line is an essential product in the category of Lines and pipes. It is compatible with numerous models of MWM & Deutz and ensures effective fluid exchange in your engines. Rely on our OEM spare parts to elevate your engines' performance to a new level.
PRESSURE LINE - 04415564 suitable for MWM & Deutz engines
Pressure Line for Optimal OperationThe pressure line with the reference number 04415564 is an essential OEM spare part that can be perfectly integrated into your systems. With premium quality and solid construction, this line ensures that your engines operate reliably – specifically designed for MWM & Deutz.
OIL LINE - 04407509 suitable for MWM & Deutz engines
Oil line: Comparison number 04407509Discover our product, the oil line with the comparison number 04407509, optimally suited for MWM & Deutz engines. As precise OEM replacement parts, they offer uncompromising quality and functionality. From the category "Lines and pipes," they provide a reliable solution for specific requirements in engine technology.Perfect Compatibility for MWM & Deutz EnginesOur oil line is the ideal choice when it comes to replacement parts suitable for MWM & Deutz. With an exact fit and superior durability, this OEM replacement part ensures that your engines operate smoothly. Benefit from our expertise as a family-owned business in its second generation.
PRESSURE LINE - 04415520 suitable for MWM & Deutz engines
Efficient Pressure Line with Comparison Number 04415520 The pressure line with the comparison number 04415520 is an OEM replacement part that ensures optimal functionality for your applications. Suitable for MWM & Deutz engines, the product is characterized by precise construction and thus contributes to the efficiency of your systems. An indispensable component that supports the longevity of your engines.Suitable for MWM & Deutz EnginesWith a perfect fit, this OEM replacement part is ideal for the requirements of MWM & Deutz. The pressure line is suitable for all applications within this manufacturer series, ensuring smooth installation and usage.
HOSE LINE - 04423131 suitable for MWM & Deutz engines
Discover Hose Line Suitable for MWM & DeutzDiscover the hose line suitable for MWM & Deutz with the reference number 04423131. This reliable product belongs to the category of lines and pipes and impresses with top performance for your engines. Ideal for both marine and stationary applications.
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.