Heat exchangers for industrial and marine applications
A high-quality heat exchanger is vital for temperature regulation in internal combustion engines used in industrial facilities, marine vessels, and stationary power systems. Whether in a genset, a locomotive, or a ship’s propulsion system, maintaining optimal engine temperature is essential for performance, longevity, and emissions compliance. Reliable cooling through a heat exchanger engine setup helps protect critical components and ensures consistent operation under demanding conditions.
HEAT EXCHANGER - 81325606041 suitable for MAN D engines
Optimal Solution for Your EnginesDiscover our heat exchanger with the comparison number 81325606041, an essential component that ensures optimal performance for engines. This heat exchanger is specifically designed to maximize the efficiency of your technology and ensure that everything operates smoothly.Suitable for MAN D EnginesOur product is suitable for MAN D engines and offers the quality you expect from high-quality components. With a weight of 48.5 kg, the heat exchanger not only provides durability but also excellent heat conduction, which is crucial for all applications.
HEAT EXCHANGER - 81325606040 suitable for MAN D engines
Maximum Protection for Your Engine SystemDiscover our heat exchanger, a top-quality product with the comparison number 81325606040, specifically designed to maximize the efficiency of your engine. This OEM replacement part is tailor-made and offers optimal performance for engines used in marine and stationary applications, as well as for locomotives. Weighing 10 kg, this heat exchanger is both robust and functional, meeting the demands of high performance.Optimal Performance Suitable for MAN D EnginesOur heat exchanger is suitable for MAN D engines and provides effective heat transfer, which is crucial for smooth operation. By using selected materials, our OEM replacement parts comply with the strict standards of the manufacturers. The adaptability and durability of this component make it an excellent choice for professionals seeking reliable solutions.
HEAT EXCHANGER - 81325606039 suitable for MAN D engines
Discover Our Heat ExchangerExperience our heat exchanger with the comparison number 81325606039, an essential OEM spare part for those who prioritize quality. This heat exchanger is suitable for MAN D engines and ensures that your engine operates at its best. Weighing 26.7 kg, our product is robust and durable, ideal for use in marine and stationary applications.Efficient Cooling for EnginesThe heat exchanger plays a central role in the cooling process of your engines. It ensures that the temperature remains constant, which not only increases efficiency but also extends the lifetime of your engines. Rely on our expertise to choose the best OEM spare parts that are suitable for MAN D engines.
HEAT EXCHANGER - 81325606035 suitable for MAN D engines
Powerful Heat Exchanger: Comparison Number 81325606035Discover our powerful heat exchanger, suitable for MAN D engines. Weighing 69 kg, this OEM replacement part offers a reliable solution for cooling and heat transfer in demanding applications. The excellent design ensures optimal performance even under extreme conditions.
HEAT EXCHANGER - 81325606013 suitable for MAN D engines
Efficient Heat Exchanger for Reliable PerformanceDiscover our heat exchanger under the comparison number 81325606013. This OEM replacement part is suitable for MAN D engines and offers reliable heat transfer for your machines and systems. Weighing 12.1 kg, this heat exchanger ensures optimal performance and efficiency.
HEAT EXCHANGER - 81325606011 suitable for MAN D engines
Heat exchanger for efficient heat transferDiscover our heat exchanger, comparison number 81325606011, which is perfectly suited for MAN D engines. This OEM spare part ensures efficient heat transfer and excellent fit. Weighing 12.31 kg, this robust product is ideal for marine and stationary applications in various engines.Extensive range of spare partsIn our range, you will find over 1 million OEM spare parts that are specifically suitable for engines in various applications. Each product is carefully selected to ensure it meets your individual needs. Our heat exchanger, suitable for MAN D, is just one of the many products available in our offering.
HEAT EXCHANGER - 81325606010 suitable for MAN D engines
High-Performance Heat Exchanger Suitable for MAN D EnginesDiscover our top-of-the-line heat exchanger with the comparison number 81325606010, which is specially optimized and can be used for MAN D engines. Weighing 11.1 kg, this OEM replacement part is an ideal solution for demanding applications.
HEAT EXCHANGER - 81325606005 suitable for MAN D engines
Efficient Heat Exchanger for Optimal UseDiscover our heat exchanger, comparison number 81325606005, an outstanding product specifically designed for the needs of engines. This OEM replacement part is compatible with MAN D and offers excellent heat transfer, making it ideal for various applications in marine and stationary sectors as well as for locomotives.Quality of OEM Replacement PartsAs an OEM replacement part, our heat exchanger is perfectly suited for your MAN D engines. Weighing 12.44 kg, this component is robust and durable, contributing to the efficient performance of your engine. Rely on the quality that only such replacement parts can provide to ensure unparalleled reliability.
HEAT EXCHANGER - 81325600055 suitable for MAN D engines
Efficient Heat Exchanger for MAN D EnginesDiscover the heat exchanger with the comparison number 81325600055, a premium OEM replacement part specifically designed for use in engines. This heat exchanger is perfectly suited for the demanding requirements of engines serving maritime and stationary applications. Weighing 20.8 kg, this product impresses with its optimal heat transfer properties.Quality that Matters: OEM Replacement PartsThe replacement part with the comparison number 81325600055 is compatible with MAN D engines and offers a precise fit. Compared to aftermarket products, we rely exclusively on the quality of OEM replacement parts. These components not only ensure high reliability but also deliver impressive performance in your machine. Rely on proven quality that has stood the test of time.
HEAT EXCHANGER - 81325600050 suitable for MAN D engines
Optimal Cooling for EnginesDiscover our heat exchanger (comparison number: 81325600050), which has proven to be an essential product for efficient cooling in marine and stationary applications. This OEM replacement part is indispensable for ensuring the performance and longevity of the engines.Precision and Performance for MAN D EnginesThe heat exchanger, suitable for MAN D engines, impresses with a weight of 21.7 kg and a robust construction. It has been developed as an OEM replacement part and meets the highest standards required for the smooth operation of your engines. Rely on this product to ensure optimal heat dissipation.
HEAT EXCHANGER - 81325600046 suitable for MAN D engines
Heat exchanger compatible with MAN D enginesOur heat exchanger, comparison number 81325600046, is a top-quality OEM replacement part designed for MAN D engines. Weighing 7.31 kg, this product provides the robustness and efficiency you can expect for your engines. The heat exchanger is specifically optimized for efficient heat transfer to ensure the performance and longevity of your machines.Precise fitting of OEM replacement partsA key advantage of our heat exchanger is its precise development for MAN D engines. This product is not just a replacement part but is regarded as a specific solution for your engines that meets the highest quality standards. Our OEM replacement parts enable you to maximize the efficiency and reliability of your machines.
HEAT EXCHANGER - 81325600041 suitable for MAN D engines
Heat exchanger suitable for MAN D - Quality at a glance The heat exchanger with the comparison number 81325600041 is a premium OEM replacement part specifically designed for MAN D engines. Weighing 20.3 kg, this product ensures excellent heat transfer, which is essential for the performance and efficiency of your engines. Rely on the outstanding quality of OEM replacement parts, known for their reliability and durability.Outstanding efficiency for MAN D engines Our heat exchanger is the perfect choice if you are looking for a replacement part optimally tailored to the requirements of MAN D engines. Suitable for these engines, our product ensures optimal heat regulation, enhancing overall performance and extending the lifespan of your machines.
HEAT EXCHANGER HOUSING - 81325600040 suitable for MAN D engines
Heat exchanger housing with comparative number 81325600040Discover our heat exchanger housing, marked with the comparative number 81325600040. This product is suitable for MAN D engines and belongs to the category of heat exchangers. With a weight of 3.883 kg, this replacement part combines robustness with easy installation, making it the ideal component for your needs.OEM replacement parts for high demandsAs a provider of OEM replacement parts, we ensure that this product meets the highest industry standards. It is a replacement part specifically developed for MAN D engines. Quality and durability are our focus, so your engines operate reliably.
HEAT EXCHANGER - 81325600037 suitable for MAN D engines
Efficient Solution for Your EnginesDiscover our heat exchanger, comparison number 81325600037, specifically designed to maximize the performance of your machines. This heat exchanger impresses with its outstanding efficiency in heat transfer and is an essential OEM spare part. Weighing 19.5 kg, it provides the stability you need for the smooth operation of your engines.Quality You Can Rely OnThe heat exchanger with comparison number 81325600037 is suitable for MAN D engines. It has undergone rigorous internal controls to ensure that it meets the high demands of the market. Trust our expertise and the carefully selected range of OEM spare parts for your specific needs.
HEAT EXCHANGER - 81325600026 suitable for MAN D engines
Excellent Quality: Comparison Number 81325600026Discover our heat exchanger with the comparison number 81325600026, an essential OEM spare part for diesel-efficient engines. This product impresses with its precise design, developed to be compatible with MAN D engines. Weighing 77.2 kg, the heat exchanger provides a robust solution for demanding applications in marine and stationary use as well as in locomotives.Efficiency for MAN D EnginesAs an OEM spare part, the heat exchanger ensures outstanding quality and fit. The heat exchanger significantly contributes to optimizing the performance of your machines and enables effective heat transfer that extends the lifespan of your engines.
HEAT EXCHANGER HOUSING - 81325600015 suitable for MAN D engines
High-Quality Heat Exchanger Housing for Efficient EnginesDiscover our heat exchanger housing, comparison number 81325600015, an essential OEM replacement part that meets your requirements. This product is suitable for MAN D engines and ensures that your engine operates reliably even under demanding conditions. Weighing 3.6 kg, the heat exchanger housing impresses with its robust construction, which meets the high standards in maritime as well as stationary applications.Efficient Heat Transfer in High-Performance EnginesWith this heat exchanger housing, you ensure effective heat transfer, which is crucial for the optimal functioning of your engines. The product with comparison number 81325600015 is designed to deliver high performance over the long term, ensuring the necessary reliability in your application.
HEAT EXCHANGER HOUSING - 81321010075 suitable for MAN D engines
Premium Heat Exchanger Housing for Your RequirementsThe heat exchanger housing with the comparison number 81321010075 is a reliable OEM replacement part specifically designed for MAN D engines. Weighing 3.01 kg, this product offers superior performance and efficiency in marine and stationary applications. Trust the quality of OEM when choosing your replacement parts and benefit from optimized components.Efficiency Improvement for MAN D EnginesThe heat exchanger housing ensures effective heat transfer and plays a crucial role in improving the efficiency of your engines. By using this replacement part, you enable a longer and smoother operational life for the machines. OEM replacement parts provide the same quality as the original component, making them the right choice for your maintenance or repair needs.
PREHEATER - 81067016012 suitable for MAN D engines
Replacement part suitable for MAN D enginesDiscover our preheater (comparison number: 81067016012) – an essential heat exchanger that reliably fits MAN D engines. Weighing 2.215 kg, this OEM replacement part impresses with its outstanding quality and durability. It has been designed to meet the specific requirements of diesel and gas engines, ensuring efficient operation in marine and stationary applications.Availability in large stockOur large stock ensures that you can always access an extensive inventory of compatible replacement parts. This means that your project never comes to a standstill and that you always have the required product readily available. Rely on our years of experience and expertise in engine parts!
HEAT PROTECTION SHIELD - 78702127 suitable for Volvo/Volvo Penta engines
Efficient Heat Protection Shield for Your ApplicationsDiscover the Heat Protection Shield (comparison number: 78702127), an essential OEM spare part that provides optimal protection for engines. This product is specifically suited for applications that require reliable heat transfer. Weighing only 0.001 kg, it ensures easy installation, allowing you to effortlessly optimize the performance of your engines.
HEAT PROTECTION SHIELD - 78666995 suitable for Volvo/Volvo Penta engines
Heat Protection Shield for Your EnginesOur Heat protection shield, comparison number 78666995, is an excellent OEM replacement part that provides optimal protection for engines. It ensures that temperatures in the engine compartment remain at a safe level, contributing to the longevity and efficiency of your devices. This product is compatible with Volvo/Volvo Penta engines and meets the highest quality standards.Specifications and Benefits of the ProductWeighing 7.61 kg, our Heat protection shield is a robust component suitable for the demanding conditions in marine and stationary applications. By using OEM replacement parts, we ensure that our product is precisely fitting and durable – ideal for professional use.
HEAT PROTECTION SHIELD - 78637366 suitable for Volvo/Volvo Penta engines
Innovative Heat Protection Shield with Comparison Number 78637366Discover our Heat Protection Shield, marked with the comparison number 78637366. This OEM spare part belongs to the category of heat exchangers and plays a crucial role in the efficiency of your engines. It is suitable for Volvo/Volvo Penta engines and is excellent for improving heat regulation to extend the life of your engine.Quality for Engines Suitable for Volvo/Volvo PentaOur product, the Heat Protection Shield, is suitable for Volvo/Volvo Penta engines, offering precise fit and functionality. Weighing only 0.398 kg, it is not only robust but also lightweight, allowing for a straightforward installation. Rely on our OEM spare parts that meet the highest standards.
HEAT PROTECTION SHIELD - 78467463 suitable for Volvo/Volvo Penta engines
Heat protection shield suitable for Volvo/Volvo Penta enginesDiscover our heat protection shield with the comparison number 78467463, which has been designed for Volvo/Volvo Penta engines. This reliable OEM replacement part belongs to the article group of heat exchangers and ensures efficient heat dissipation. Weighing 1.309 kg, it is both sturdy and user-friendly.Strict internal controls ensure your satisfactionAs a provider of OEM replacement parts, we subject our products to strict internal controls. This ensures that you receive a product that is optimally tailored to the needs of your engines. The heat protection shield not only provides safety but also extends the lifespan of your engine.
HEAT PROTECTION SHIELD - 78467062 suitable for Volvo/Volvo Penta engines
Heat Protection Shield – Your Reliable ComponentDiscover our heat protection shield (comparison number 78467062), an essential component suitable for Volvo/Volvo Penta engines. This OEM spare part is indispensable for optimal heat distribution and ensures that your engines operate efficiently and are effectively protected. Weighing only 0.362 kg, it is both lightweight and easy to install, with functionality always at the forefront.Quality of OEM Spare PartsOur heat protection shield meets the stringent quality standards of the Original Equipment Manufacturer (OEM). The comparison number 78467062 assures you that this spare part has been specifically developed for the requirements of Volvo/Volvo Penta engines. Trust in our 25 years of expertise and choose from over a million spare parts that we have in stock.
HEAT PROTECTION SHIELD - 5561422220 suitable for MTU engines
Premium Heat Protection Shield for ApplicationsDiscover our product, the heat protection shield with the comparison number 5561422220, suitable for MTU engines. This spare part belongs to the group of heat exchangers and offers the best performance and longevity in demanding environments. It is an OEM spare part that meets the highest standards.Efficiency Through OEM Spare PartsThe heat protection shield protects your engine from overheating and is crucial for optimizing the efficiency of your diesel and gas engines. At MOPA Motorparts, we exclusively offer OEM spare parts that are perfectly tailored to meet the requirements.
What is an engine heat exchanger?
An engine heat exchanger is a thermal transfer device used to dissipate excess heat from engine fluids such as coolant or oil. It operates by transferring heat from the hot fluid to another medium—typically water or air—without mixing the two substances. In marine systems, a marine engine heat exchanger often uses seawater to cool engine coolant via a closed-loop system. In land-based engines, air or fresh water may serve as the cooling medium. The function is the same: efficient and reliable thermal management.
Function and benefits of engine heat exchangers
The core function of a heat exchanger is to stabilize engine temperature by removing heat generated during combustion and operation. Effective thermal control is critical for fuel efficiency, emissions reduction, and engine durability.
- Prevents engine overheating and thermal stress
- Maintains optimal operating temperatures for fuel efficiency
- Protects seals, valves, and internal components from heat damage
- Enhances emissions performance and operational stability
A properly functioning diesel engine heat exchanger contributes significantly to overall system reliability, whether in a heat exchanger boat engine or an industrial genset.
Types and materials of engine heat exchangers
There are several heat exchanger types used in industrial and marine engines, each with specific construction features and use cases.
- Shell-and-tube heat exchangers (widely used in marine and stationary engines)
- Plate heat exchangers (compact, modular units for limited spaces)
- Finned tube exchangers (common in air-cooled systems)
Materials vary depending on the medium and environment. Titanium is often used in marine engine heat exchanger systems due to corrosion resistance in seawater. Copper-nickel and stainless steel are also common, while aluminum is preferred for lightweight heat exchanger motor assemblies. The correct material ensures durability and minimal thermal resistance.
Compatibility and OEM standards
Each heat exchanger must match the engine’s thermal specifications and layout. Our components are built to OEM-standards, providing precise fit and performance. This ensures compatibility with control systems and mounting configurations across a broad range of engines.
Our portfolio includes parts suitable for engines from various manufacturers used in marine propulsion, power generation, and rail systems. OEM-equivalent quality guarantees reliability and helps extend service intervals without compromising engine integrity.
Use cases for heat exchangers
Engine heat exchangers are essential in multiple industrial sectors. In maritime applications, a heat exchanger boat engine system manages the cooling circuit using seawater without allowing contamination. In power plants, diesel engine heat exchanger units regulate large engine banks supplying base load electricity. Locomotive engines use compact, rugged exchangers to manage high-output diesel units over long distances. Each use case relies on robust thermal control to maintain operational uptime.
Buying advantages in our online shop
As a specialist in OEM engine components, our shop offers a wide range of heat exchanger units and related accessories. B2B buyers benefit from:
- Fast delivery from EU stock and global warehouses
- Expert technical support and part identification
- User-friendly ordering and secure B2B checkout
- Large inventory including rare and high-demand parts
Whether you need a replacement heating exchanger for a marine vessel or a compact heat exchanger motor unit for a stationary generator, we provide technically vetted solutions tailored to industrial needs.
Frequently asked questions
How does a heat exchanger work?
A heat exchanger transfers heat from engine coolant or oil to another fluid (air or water) without mixing them. This protects the engine from overheating.
What is a heat exchange?
A heat exchange is the process of transferring thermal energy between two fluids. In engines, it keeps temperatures stable under load.
What is the purpose of a heat exchanger?
The main purpose is to manage excess heat, ensuring the engine runs within its optimal temperature range for performance and longevity.
How often should I clean a heat exchanger?
Cleaning heat exchanger units depends on the environment and fluid quality. Marine systems should be cleaned regularly due to salt and sediment.
Related engine components
- Gaskets
- Hoses
- Valve guides
- Springs
- Coolers
- Seals
Protect your engines and improve operational stability with our OEM-equivalent heat exchanger solutions – trusted by professionals across marine, industrial, and energy sectors.