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.
FUEL HOSE - 12850697 suitable for MWM & Deutz engines
Quality of the Fuel Hose Discover the fuel hose with the comparison number 12850697, an important spare part specifically designed for MWM & Deutz engines. Our products are characterized by their reliable performance and meet the requirements placed on hoses in demanding environments. With this fuel hose integrated, you can ensure the operational safety of your engines.Robustness and Applications This fuel hose is not only designed for durability but is also optimally suited for various applications in diesel and gas engines. OEM spare parts provide the assurance that you receive a product that meets the manufacturer's standards and is aligned with performance and functionality. In addition to its applications, our fuel hose is distinguished by its lightweight design of 0.372 kg, making installation easier.
FUEL HOSE - 12850665 suitable for Deutz engines
Fuel Hose with Comparison Number 12850665Discover our fuel hose with the comparison number 12850665. This OEM replacement part is an essential component specifically designed to connect optimally with engines. Weighing only 0.072 kg, this fuel hose is lightweight without compromising on robustness. It ensures efficient fuel flow and is therefore ideal for use in a variety of applications.Suitable for Deutz EnginesThis fuel hose is an excellent choice for engines that require compatibility with Deutz. Its precise fit ensures easy installation. Rely on our OEM replacement parts, recognized by the comparison number 12850665.
FUEL HOSE - 12850664 suitable for Deutz engines
First-Class Fuel Hose for Your ApplicationsDiscover our fuel hose, a high-quality OEM replacement part with the comparison number 12850664. This part is essential for the functioning of engines and has been designed to meet specific requirements. Weighing only 0.109 kg, this hose is not only lightweight but also robust.Suitable for Deutz EnginesOur product component is designed to be suitable for Deutz engines. This component as an OEM replacement part ensures you receive the quality and functionality you need. Rely on this hose element to keep your engines operating reliably and efficiently.
COOLING WATER HOSE - 12850653 suitable for MWM & Deutz engines
Quality of our Cooling Water HoseDiscover our cooling water hose with the comparison number 12850653 – the essential product for reliable engine cooling. This hose is suitable for the renowned manufacturers MWM & Deutz and belongs to the group of hoses. Weighing 0.041 kg, the cooling water hose can be easily installed while providing the necessary cooling for the engines.Fit and ReliabilityOur cooling water hose impresses with excellent fit. The OEM replacement part is designed to be perfectly compatible with MWM & Deutz engines, distinguished by its durability and functionality. Rely on our OEM replacement parts that withstand high loads in professional applications.
COOLING WATER HOSE - 12850650 suitable for Deutz engines
Cooling Water Hose for Performance and ReliabilityDiscover our Cooling water hose (Comparison number: 12850650), an essential OEM spare part designed for Deutz engines. This hose belongs to the category of Hoses and ensures efficient cooling even under the most demanding conditions. Weighing just 0.3 kg, it offers the perfect combination of lightness and robustness.Reliable Quality of OEM Spare Parts for Every NeedOur Cooling water hose is an OEM spare part specifically suitable for maritime and stationary applications. By using high-quality materials, we ensure that it meets the high standards of demanding engines. The product stands out for its precision and durability and is indispensable for anyone who values trust in quality.
COOLING WATER HOSE - 12850649 suitable for Deutz engines
Reliable Cooling Performance for Your EnginesDiscover the cooling water hose with the reference number 12850649, a top-notch manufacturer replacement part designed specifically for various applications. This product is essential for the efficiency of engines and combines excellent performance with competitive prices.Suitable for Deutz EnginesThe cooling water hose is suitable for Deutz engines and meets the highest standards, as manufacturer replacement parts are produced by the respective manufacturers. They thus offer significantly superior quality compared to counterfeit products.
COOLING WATER HOSE - 12850630 suitable for MWM & Deutz engines
Efficient Cooling Water Hose for Your Engine ApplicationThe cooling water hose with the comparison number 12850630 is an essential OEM replacement part for diesel and gas engines. This product ensures reliable cooling and secures optimal performance. Suitable for MWM & Deutz engines, this hose provides the precision and reliability you need to operate your machines efficiently.Optimal Fit for Critical ApplicationsWeighing just 0.167 kg, the cooling water hose combines stability and design in a compact format. The replacement part suitable for MWM & Deutz is specifically designed to seamlessly integrate into your existing engine infrastructure. Trust in the product that stands unique in the engine category and elevates your application to a new level of performance.
COOLING WATER HOSE - 12850629 suitable for MWM & Deutz engines
Precise Function with Cooling Water HoseOur cooling water hose with the reference number 12850629 proves to be a crucial OEM spare part for your needs. This cooling water hose is specially designed to ensure flawless cooling of engines. With its lightweight of 0.159 kg, the product is ideal for space-saving applications.
COOLING WATER HOSE - 12850627 suitable for Deutz engines
Cooling Water Hose: Efficiency for Your Engine The cooling water hose, comparison number 12850627, offers an ideal solution for those looking for an efficient replacement part. This product is specifically designed to meet the demands of engines used in marine and stationary applications. Weighing 0.212 kg, it ensures straightforward handling during replacement, while the excellent quality of the OEM replacement part convinces.
FUEL HOSE - 12850545 suitable for Deutz engines
Exclusive Fuel Hose for Your ApplicationsDiscover the fuel hose with the comparison number 12850545, which is ideally suited for use in engines. This hose belongs to the product group of hoses and offers you a reliable solution for the operation of your machines. Weighing just 0.102 kg, it allows for easy handling and installation.OEM Replacement Part Suitable for DeutzOur fuel hose is an OEM replacement part suitable for Deutz engines. Take advantage of equipment manufacturer quality at an attractive price. Due to its special design, this product meets the high standards you expect from such products.
FUEL HOSE - 12850544 suitable for Deutz engines
Precise Fuel Hose for Demanding Applications Discover our fuel hose, an OEM spare part distinguished by its highest precision. With the comparison number 12850544, this product is specifically tailored to the requirements of engines and provides optimal performance for various applications. This essential accessory is an indispensable component for the efficient use in different areas of application.Suitable for Deutz Engines This fuel hose is suitable for Deutz engines and boasts a robust structure that meets the stringent demands of marine and stationary use. Rely on the OEM spare part with the comparison number 12850544 to sustainably support the maintenance of your engines.
COOLING WATER HOSE - 12850439 suitable for MWM & Deutz engines
Precise Fit: Cooling Water Hose with Comparison Number 12850439Discover our cooling water hose with the comparison number 12850439, specifically designed to function optimally. It is suitable for MWM & Deutz engines and belongs to the category of hoses. Weighing only 0.178 kg, this product provides a tailored solution for cooling systems in various applications.Quality of OEM Spare PartsWe are proud to offer spare parts that meet the highest standards. The precise manufacturing ensures that our cooling water hose fits your engine perfectly. Each product is a spare part that we have developed for fit and performance, allowing your MWM & Deutz engines to operate reliably.
COOLING WATER HOSE - 12850438 suitable for Deutz engines
Quality for Your Engine TechnologyDiscover our premium product, the cooling water hose with the comparison number 12850438, perfectly tailored to your needs. This cooling water hose is an essential OEM replacement part that offers you the highest efficiency in conjunction with your Deutz engine. Thanks to the precise fit, you can rely on long-term use and reliability.Tailor-Made Solution for Deutz EnginesThe cooling water hose is specifically designed to fit Deutz engines, ensuring exceptional performance. As OEM replacement parts, we offer you the quality that meets the demands of challenging applications in the marine and locomotive sectors. These hoses weigh only 0.036 kg, bringing not only lightness but also maximum functionality.
COOLING WATER HOSE - 12850435 suitable for Deutz engines
Cooling Water Hose: Your Solution for Optimal Engine PerformanceDiscover the cooling water hose with the comparison number 12850435, specially designed for Deutz engines. This product is tailored for demanding applications in marine and stationary use, providing excellent cooling performance. With a weight of only 0.069 kg, this spare part is both lightweight and robust.Spare Parts: Quality You Can Count OnOur cooling water hose is suitable for Deutz and meets the highest standards of original equipment manufacturer quality. Unlike aftermarket products, our spare parts offer precise performance and a longer lifespan. This ensures the smooth operation of your engines and you can rely on the quality of our components.
COOLING WATER HOSE - 12850427 suitable for Deutz engines
Optimal Fit for EnginesDiscover our product, the cooling water hose with the comparison number 12850427, which is perfect for your application. This OEM spare part is not only important for cooling but also supports the efficiency of engines. Weighing 0.258 kg, it ensures that you make an outstanding choice for reliable operations in various fields.Efficient Cooling for Deutz EnginesThe cooling water hose is an essential component, suitable for Deutz engines. It ensures that the operating temperature is optimally controlled, significantly enhancing the performance of your machines. Rely on the quality of this OEM spare part, especially when it comes to applications in marine and stationary technology.
COOLING WATER HOSE - 12850426 suitable for Deutz engines
Cooling water hose 12850426: Your reliable replacement partThe cooling water hose with the comparison number 12850426 is an essential OEM replacement part, classified under the category of hoses. This product is specifically suitable for Deutz engines and offers effective cooling. With the high material quality used in the product, you receive an efficient solution for your applications.
COOLING WATER HOSE - 12850362 suitable for Deutz engines
Reliable Cooling Water Hose for Professional ApplicationsDiscover our Cooling water hose with the comparison number 12850362, specifically designed for use in engine technology. This part is aimed at companies that value quality and reliability in spare parts. Weighing just 0.075 kg, the hose can be easily installed and adjusted.Suitable for Deutz EnginesThis Cooling water hose is suitable for Deutz engines and allows for efficient cooling of your systems. By using our parts, the powerful operation of your engines is supported. The high-quality craftsmanship prevents premature wear and ensures improved efficiency in daily operation.
COOLING WATER HOSE - 12850352 suitable for Deutz engines
Product Description for Comparison Number 12850352Discover the Cooling water hose with the comparison number 12850352, an essential OEM spare part for diesel and gas engines. This product weighs only 0.32 kg and impresses with its excellent fit and durability, making it ideally suited for applications in maritime and stationary areas.
COOLING WATER HOSE - 12850351 suitable for Deutz engines
Quality and Service: Cooling Water Hose 12850351Discover our product, the cooling water hose with the reference number 12850351, suitable for Deutz engines. This cooling water hose ensures a reliable supply of cooling water to the engine, thereby enhancing performance and extending the lifespan of engines. With a weight of only 0.14 kg, this essential OEM spare part can be easily installed.
FUEL HOSE - 12850346 suitable for MWM & Deutz engines
Reliable Fuel Hose: Reference Number 12850346Discover our fuel hose with the reference number 12850346, perfectly tailored to meet the needs of marine and stationary engines. This high-performance OEM replacement part ensures that your engines operate reliably and efficiently at all times. Weighing 0.113 kg, our product combines the best functionality and durability.Suitable for MWM & Deutz EnginesThe fuel hose is specifically designed for MWM & Deutz engines, ensuring a perfect fit. Our OEM replacement parts are of the highest quality, ensuring that your machines always perform optimally. At MOPA Motorparts, we place great importance on precision and sustainable solutions.
FUEL HOSE - 12850345 suitable for MWM & Deutz engines
Fuel Hose with Comparison Number 12850345Discover our fuel hose, which is identified by the comparison number 12850345. This essential product belongs to the category of hoses and is specifically designed to be suitable for MWM & Deutz engines. Weighing only 0.089 kg, this hose provides an efficient solution to ensure fuel supply in engines.Quality for Safety and ReliabilityInvest in our OEM spare parts, known for their top-notch quality. Unlike aftermarket products, these parts from manufacturers offer the necessary reliability. The comparison number 12850345 assures a perfect fit and function that meets the essential requirements of your engines. This allows you to rely on the performance of your machines.
TUBING CONNECTION - 12530073 suitable for MWM & Deutz engines
Unbeatable Price-Performance Ratio for Engine PartsExperience our premium tubing connection with the equivalence number 12530073, specifically designed to deliver perfect results. This product is an essential OEM spare part that is optimally suitable for MWM & Deutz engines. Weighing only 0.21 kg, the tubing connection can be easily installed and provides you with the quality you need for your engines.Tailored Solutions for Essential ComponentsYour engine deserves the best care. The OEM spare part carries the equivalence number 12530073 and is consistently suitable for MWM & Deutz engines. These hoses are essential components designed to meet your specific requirements and help you operate your machines optimally.
HOSE - 12527379 suitable for MWM & Deutz engines
Robust Spare Part: Hose with Comparison Number 12527379The hose with the comparison number 12527379 is an essential OEM spare part. This product is suitable for housings, covers and closures technology and ensures the reliable functioning of your engines. Trust in quality that is optimally tailored for MWM & Deutz engines and withstands every application.Specifications and UsageThis spare part is compatible with MWM & Deutz engines and offers the precision needed for smooth operation. With this product, you keep your engines in top condition and avoid downtime. Our OEM spare parts provide maximum performance and durability.
0000HOSE - 12521065 suitable for MWM & Deutz engines
Reliable OEM Spare Part for EnginesDiscover our qualitatively convincing product, the 0000hose with the comparison number 12521065. This OEM spare part belongs to the esteemed article group Holders, plates and flanges and impresses with its robustness. Weighing 4.27 kg, it ensures reliable operation.
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.