Hoses – OEM for industrial and marine engines
Hoses are essential components for transporting coolant, oil, air, and fuel within industrial, marine, and generator engines. From pressure lines to return flow or venting, properly matched engine hoses support consistent performance and long-term reliability. Whether used in compact gensets or large propulsion systems, high-grade hoses reduce wear, improve temperature stability, and simplify maintenance across all application types.
COOLING WATER HOSE - 51963050010 suitable for MAN D-engines
Cooling Water Hose Replacement Part for Efficient EnginesDiscover the cooling water hose with the comparison number 51963050010, an essential product for the efficiency of your engines. This hose belongs to the product group "hoses" and impresses with its perfect fit. It is ideally suited for various applications and ensures optimal cooling.Suitable for MAN D EnginesThe cooling water hose is suitable for MAN D engines and plays an important role in the longevity and reliability of these engines. Weighing only 0.32 kg, the replacement part is easy to install. Rely on our product, which is specifically designed to ensure maximum performance.
SHAPED HOSE - 51963050006 suitable for MAN D-engines
Shaped hose with reference number 51963050006 Experience the quality of our shaped hose, which is marked with the reference number 51963050006. As an OEM replacement part, it ensures ideal integration into engines compatible with MAN D. This product is characterized by durable materials and enhances efficiency in your business.
SHAPED HOSE - 51963050005 suitable for MAN D-engines
Quality Shaped Hose for Optimal PerformanceDiscover our shaped hose, an essential spare part compatible with MAN D engines. With the comparison number 51963050005, this product impresses with excellent craftsmanship and durability. Weighing 1.17 kg, the shaped hose ensures optimized performance in critical applications in marine and stationary use as well as in locomotives.
SHAPED HOSE - 51963050003 suitable for MAN D-engines
Shaped Hose – Optimal Component for Your Drive SystemDiscover the shaped hose with the comparison number 51963050003, which ensures outstanding engine performance. This product offers excellent fit and functionality, suitable for MAN D engines. With a length of 10.7 cm, a width of 10.7 cm, and a height of 3.5 cm, this shaped hose represents an essential component for your pump system and is an excellent OEM replacement part.
SHAPED HOSE - 51963050002 suitable for MAN D-engines
Reliable Shaped Hose for Your ApplicationsDiscover our separate product, the shaped hose with the comparison number 51963050002. This OEM replacement part offers excellent quality and is your ideal companion for the effective operation of engines. Weighing only 0.36 kg, this hose combines stability and flexibility in one.
HOSE BEND - 51963050001 suitable for MAN D-engines
Robust OEM Replacement Part: Hose Bend 51963050001 Discover our quality product, the hose bend with the comparison number 51963050001, suitable for MAN D engines. This structural element provides you with the efficiency you need for use in your diesel and gas engines. Its weight of 0.58 kg not only ensures stability but also allows for easy handling during installation.
HOSE NIPPLE - 51963010159 suitable for MAN D-engines
Premium Hose Nipple for Demanding EnginesOur hose nipple, valid under the comparison number 51963010159, offers the ideal solution for your requirements. Perfectly matched, it ensures optimal operation in your systems.Hose Nipple Suitable for MAN DThis OEM spare part is suitable for MAN D engines and impresses with high performance. Its design supports smooth functioning and efficiency.
HOSE NIPPLE - 51963010158 suitable for MAN D-engines
Hose nipple suitable for MAN D enginesDiscover our hose nipple, an essential product suitable for MAN D engines. With the comparison number 51963010158, you can be sure that this OEM replacement part meets the highest quality standards. Perfectly designed, it allows for flawless functionality.
TUBING CONNECTION - 51963010154 suitable for MAN D engines
OEM Replacement Part for EnginesThe Hose DMR90 (comparison number: 51963010154) is an essential product from the category Holders, plates and flanges. As an OEM replacement part, it offers a precise fit and support for optimal performance of your engines.Perfect Fit for MAN D EnginesOur Hose DMR90 is tailored and the ideal solution for your maintenance needs. This OEM replacement part is compatible with MAN D engines and ensures a reliable connection that affirms durability and high functionality.
INTAKE HOSE - 51963010148 suitable for MAN D-engines
Intake Hose with Comparison Number 51963010148The intake hose with the comparison number 51963010148 is a versatile OEM replacement part that is perfectly suitable for MAN D engines. This OEM replacement part stands out due to its well-thought-out design and the use of robust materials, ensuring high performance and durability. Rely on the quality of the manufacturer.Ideal Fit & Efficient OperationThe product, suitable for MAN D engines, offers optimal fit accuracy that enhances the efficiency of your systems. At MOPA Motorparts, we exclusively offer OEM replacement parts that reliably support your machines and increase their performance.
- 51963010125 suitable for MAN D-engines
Versatile Hose for MAN D Engines Discover the powerful hose, comparison number 51963010125, as the ideal OEM spare part for your engines. This product offers excellent performance and a long service life, regardless of the application.
TUBING CONNECTION - 51963010114 suitable for MAN D engines
TUBING CONNECTION with the comparison number 51963010114 suitable for MAN D engines
TUBING CONNECTION - 51963010110 suitable for MAN D-engines
Discover the Tubing ConnectionDiscover our tubing connection with the comparison number 51963010110, an OEM spare part that is suitable for MAN D engines. This product impresses with its quality and long lifespan, making it ideal for use in marine and stationary engines.
SHAPED HOSE - 51963010101 suitable for MAN D-engines
Unique Shaped HoseDiscover our shaped hose, an OEM replacement part suitable for MAN D engines with the comparison number 51963010101. This hose meets strict usage requirements and ensures that your engine remains in top condition. At MOPA Motorparts, we prioritize the highest quality and precision in every product we offer.OEM Replacement Parts for Precise FitThe shaped hose has a low weight of 0.04 kg and is still ideally suited for various applications. Since these are OEM replacement parts, you can rely on this product being precisely tailored to the requirements of the engines. Users who value efficiency and safety will benefit from its crucial features.
HOSE BEND - 51963010097 suitable for MAN D-engines
Premium Hose Bend for MAN D EnginesOur hose bend with the comparison number 51963010097 is an outstanding OEM replacement part. Features like precision and quality ensure that your MAN D engines operate optimally. The hose bend is specifically developed for these applications and offers the necessary stability and flexibility.
SHAPED HOSE - 51963010095 suitable for MAN D-engines
Shaped hose suitable for MAN D enginesDiscover our shaped hose with the comparison number 51963010095, specifically designed to seamlessly fit engines suitable for MAN D. The shaped hose belongs to the category of hoses and weighs only 0.03 kg. With its sturdy construction, this product consistently performs well in marine and stationary applications.
HOSE BEND - 51963010089 suitable for MAN D-engines
Versatile Hose Bend 51963010089 for Top-Quality ApplicationsDiscover our hose bend with the comparison number 51963010089 – an essential product specially developed for various engine applications. Weighing only 0.07 kg, this hose bend offers lightweight and user-friendly handling for maintenance tasks, allowing you to work more effectively.
HOSE BEND - 51963010083 suitable for MAN D-engines
Excellent Hose Bend: Comparison Number 51963010083The hose bend with comparison number 51963010083 is a top-quality product designed as an OEM replacement part and is suitable for MAN D engines. Weighing only 0.06 kg, this hose bend product combines lightweight construction with robust manufacturing. Rely on a dependable partner for your engine needs.
HOSE BEND - 51963010082 suitable for MAN D-engines
Reliable Spare Part for Your EnginesDiscover our hose bend with the comparison number 51963010082. This product is suitable for MAN D engines and provides you with the ideal solution for your spare part needs. The article group includes hoses and emphasizes functionality that has been specifically developed for diesel and gas engines. Weighing only 0.042 kg and with compact dimensions of 9.1 cm in length and width, and 3 cm in height, this hose bend contains everything you need to optimize the performance of your engines.
SHAPED HOSE - 51963010054 suitable for MAN D-engines
Shaped hose with comparison number 51963010054Discover our shaped hose with the comparison number 51963010054, specifically designed to meet the highest demands. Weighing only 0.17 kg, this hose is optimal for use in various engines, especially suitable for MAN D engines. It provides the best possible support in a variety of applications in marine and stationary use.OEM spare parts for demanding applicationsThis shaped hose belongs to the category of Hoses and is an OEM spare part that offers an excellent fit. Designed to be suitable for MAN D, our product ensures the quality and performance you need for the operation of your machines. Rely on spare parts that are directly tailored to the needs of large machines.
HOSE BEND - 51963010053 suitable for MAN D-engines
Hose bend with comparison number 51963010053The hose bend with the comparison number 51963010053 is a high-quality OEM spare part for your engines. This product offers reliable performance and is lightweight, weighing only 0.14 kg, making it ideal for various applications.
HOSE BEND - 51963010047 suitable for MAN D-engines
Optimal Performance Enhancer: Hose Bend 51963010047Discover the product Hose Bend with the comparison number 51963010047, which offers top-notch solutions for your engines. This hose bend is essential for smooth operations in engine systems and ensures a perfect fit. Additionally, this item is sold under the brand name "OEM replacement parts" – we stand as your reliable supplier.
HOSE BEND - 51963010002 suitable for MAN D-engines
Professional Solution for Your RequirementsDiscover our top-quality product, the hose bend with the comparison number 51963010002. This OEM spare part is essential for anyone relying on reliability and performance in a marine or stationary application. Precision processing ensures that the hose bend demonstrates its functionality in various applications.Hose Bend: Custom ApplicationThe hose bend, suitable for MAN D engines, provides you with the assurance that the engine operates smoothly. By using these top-quality OEM spare parts, you enjoy numerous advantages over aftermarket offerings that can vary greatly in quality.
HOSE NIPPLE - 51902300005 suitable for MAN D-engines
Hose nipple suitable for MAN D enginesDiscover the hose nipple with the comparison number 51902300005, an essential OEM replacement part for your applications. This product belongs to the category "Hoses" and is specifically designed for MAN D engines. Weighing only 0.03 kg, this hose nipple is efficient to handle and install.
What are hoses used for in engines?
Hoses are flexible tubing components that connect engine parts for the purpose of fluid and air transport. They carry coolant between the engine block and radiator, deliver fuel to injection systems, and vent gases through breather or return lines. In marine engines, marine hoses must resist saltwater, vibration, and continuous temperature cycling, while motor hoses for land-based equipment are built for thermal expansion and pressure loads. Specific engine tubing is also used to route low-pressure air or manage emissions.
Function and benefits of engine and marine hoses
- Secure transfer of coolant, fuel, oil, or air
- Reduced vibration transfer between rigid components
- Resistance to chemicals, salt, and temperature extremes
- Quick service access through modular fittings
- Improved safety by isolating thermal and pressure zones
Properly sized engine hoses contribute to performance stability. In marine systems, marine hoses and fittings form closed systems that withstand corrosion and pressure surges. On land, motor hoses are often part of emission and cooling loops.
Types and materials used in hoses
- Reinforced rubber hoses for coolant and air
- Silicone hoses for high-heat and low-pressure areas
- Braided or wrapped tubing for vibration-sensitive zones
- Flexible exhaust and breather hoses
- Custom hose adapter for boat motor installations
Engine hose construction depends on its role: fuel hoses are often lined for hydrocarbon resistance, while marine hose products must meet safety standards for fire and burst resistance. Modern materials also include EPDM, nitrile, and fluorosilicone for specialized functions in power systems.
Compatibility and sourcing
We supply high-performance hoses suitable for MTU, Deutz, MAN, Volvo Penta, and MWM. All components are selected for chemical compatibility, temperature resistance, and connection reliability. Whether you're replacing a coolant engine hose or retrofitting with a new hose adapter for boat motor installations, we support precise selection based on diameter, length, and engine layout.
With our large stock and fast shipping, we help avoid unnecessary downtime—whether for planned service intervals or emergency repairs.
Application areas for industrial and marine hoses
Marine hoses are used in propulsion engines, bilge systems, exhaust loops, and seawater cooling lines. In industrial and stationary engines, motor hose products deliver oil and coolant to control thermal loads. Across all applications, properly routed engine hoses protect adjacent components and maintain system pressure during load changes or thermal expansion. Modular solutions simplify installation, especially in confined spaces or mobile setups.
Advantages of buying from us
As a B2B supplier, we offer:
- Fast DHL Express shipping from our extensive stock
- Support for selection and part identification
- Online ordering optimized for technical buyers
We support engineers and technicians with experience-based product selection and quick availability. Our offerings cover full hose sets as well as individual lengths, elbows, and marine hoses and fittings for on-site installation.
Related components to hoses
When replacing hoses, it is common to also exchange hose clamps, seals, gaskets, and vibration dampers. In marine applications, compatible adapters and through-hull fittings may also be required. We supply all related parts needed for safe and effective hose replacement in modern engine systems.
Frequently asked questions about engine hoses
What is a breather tube for on an engine?
A breather tube allows gases and pressure to escape from the crankcase or valve cover, preventing buildup and ensuring engine ventilation.