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 - 81779036062 suitable for MAN D engines
Reliable Heat Exchanger Suitable for MAN D EnginesOur heat exchanger with the comparison number 81779036062 offers a top-notch solution for anyone seeking reliable components. This product has been specifically designed to work optimally with MAN D engines. Due to its thoughtful construction, it ensures effective heat transfer, which is essential in demanding applications such as shipping or stationary operations.OEM Spare Parts for the Highest Quality StandardsWe offer OEM spare parts that meet the high standards of manufacturers. This quality level is particularly important when it comes to engines. The heat exchanger, suitable for MAN D, is not just an ordinary spare part, but an investment in the durability and efficiency of your engines. Weighing 2.6 kg, it is also easy to install and allows for simple handling.
HEAT EXCHANGER - 81779036054 suitable for MAN D engines
Heat Exchanger: Optimal Solution for Your EnginesThe heat exchanger with the comparison number 81779036054 is the ideal OEM replacement part for users who value quality and performance. This product is characterized by its reliability and ensures the optimal cooling that engines require. Weighing 7.3 kg and featuring precise workmanship, this heat exchanger provides the efficiency your machines need in the marine and locomotive sectors.
HEAT EXCHANGER - 81779036051 suitable for MAN D engines
Effective Heat Exchanger with Reference Number 81779036051Discover our heat exchanger, reference number 81779036051, which has been specially designed to enable optimal performance in engines. It impresses with a weight of only 2.6 kg and is an indispensable product positioned in the heat exchanger category. Our spare part is suitable for MAN D engines and perfectly supports your applications in maritime and stationary areas.Quality of OEM Spare PartsOur products, especially the heat exchanger part with the reference number 81779036051, stand for outstanding quality and durability. As OEM spare parts, they are designed to meet the highest standards and offer a precise fit. Trust our years of experience to find the best possible solution for all engines, including the suitable applications for MAN D engines.
HEAT EXCHANGER - 81779036050 suitable for MAN D engines
Optimal Heat Transfer with Our Heat ExchangerOur heat exchanger with the comparison number 81779036050 ensures efficient heat transfer in your engines. This OEM replacement part plays a crucial role in performance optimization, especially for applications in marine and stationary engineering. Weighing 3.22 kg, the heat exchanger is robust and reliable, allowing you to depend on its functionality.Perfect Compatibility with MAN D EnginesThis heat exchanger is specifically designed for MAN D engines. The OEM replacement part meets the highest standards and has been constructed to integrate seamlessly into your existing systems. Benefit from the durability and efficiency that these replacement parts provide to ensure the smooth operation of your machines.
HEAT EXCHANGER - 81779036048 suitable for MAN D engines
Effective Heat Exchanger for Your RequirementsDiscover our heat exchanger, a crucial product perfectly suited for heat transfer in demanding engines. With the comparison number 81779036048, this component offers high efficiency and durability. The heat exchanger is perfectly fitting for MAN D engines and supports reliable performance of your machines.Robust Solution for High-Performance EnginesWeighing 8.03 kg, our spare part provides the robustness you need. The spare part ensures that fit and functionality are assured. This allows you to rely on the performance of your engines and ensure optimal use of your engine.
HEAT EXCHANGER - 81779036044 suitable for MAN D engines
Quality and Efficiency of the Heat ExchangerDiscover our reliable heat exchanger, the OEM replacement part with the comparison number 81779036044. This product provides you with the performance that is crucial for efficient heat transfer in diesel and gas engines. Weighing 2.05 kg, it meets all requirements for high-performance applications.
HEAT EXCHANGER - 81779036034 suitable for MAN D engines
Efficient Heat Exchanger with Comparison Number 81779036034Discover our heat exchanger, the perfect solution for your needs! With the comparison number 81779036034, this product is specifically designed to provide optimal heat dissipation for engines. The heat exchanger weighs 2.37 kg, offering an excellent combination of stability and efficiency.
HEAT EXCHANGER - 81779036033 suitable for MAN D engines
Precise Solution for Your EnginesDiscover our heat exchanger, the OEM replacement part compatible with MAN D engines. With the comparison number 81779036033, this heat exchanger offers the highest precision and functionality that are crucial for the performance of your engines. Weighing 6.8 kg, it contributes to the stability and durability of the product.Efficiency and ReliabilityThis heat exchanger ensures efficient heat transfer, allowing your engines to operate reliably under demanding conditions. The product you are purchasing is an OEM replacement part that is well-suited for marine and stationary applications as well as locomotives. Trust in the quality that MOPA Motorparts supports through years of experience.
HEAT EXCHANGER - 81779036030 suitable for MAN D engines
Efficient Performance with the Heat ExchangerEnhance the efficiency of your engines with our heat exchanger (comparison number: 81779036030). This OEM replacement part has been specifically designed for applications in demanding environments. Weighing 7.8 kg, it offers not only robust characteristics but also optimal heat transfer. Rely on quality and durability when choosing the right product.Suitable for MAN D EnginesThis heat exchanger is suitable for MAN D engines and provides excellent integration into your system. Thanks to its precise fit, you can be sure that your engine operates under the best conditions. OEM replacement parts ensure that you acquire a product that meets your requirements and supports the longevity of your machine.
HEAT EXCHANGER - 81779036013 suitable for MAN D engines
1. Quality in Focus: Heat Exchanger Product DetailsOur heat exchanger (comparison number 81779036013) offers you the highest precision and performance for your applications. As an OEM replacement part, it ensures that your engine operates optimally. OEM stands for Original Equipment Manufacturer, allowing you to rely on quality and fit. Below, we present this essential product in more detail.2. Optimal Performance: Suitable for MAN D EnginesThe heat exchanger product you find here is specifically compatible with MAN D engines. Weighing 6.935 kg, it provides efficient heat transfer and improves the overall performance of your engine. By using OEM replacement parts, you ensure that the heat exchanger impresses in both quality and durability.
HEAT EXCHANGER - 81779036009 suitable for MAN D engines
Heat exchanger with comparison number 81779036009Discover our heat exchanger with the comparison number 81779036009, suitable for MAN D engines. This premium product delivers outstanding performance in demanding applications, whether in marine or stationary settings. Weighing only 2.18 kg, the heat exchanger features a robust design that ensures long-term use.High-quality OEM spare parts for enginesOur products are exclusively OEM spare parts and meet the highest standards for engines. The heat exchanger, suitable for MAN D, ensures that you receive a reliable spare part that is perfectly tailored to your needs. Rely on the excellent craftsmanship that characterizes this product.
HEAT EXCHANGER - 81779030038 suitable for MAN D engines
Efficient Heat Exchanger for Your ApplicationsDiscover our heat exchanger, which is ideally suited to enhance the performance of your engines. With the comparison number 81779030038, this product provides efficient heat dissipation, contributing to the longevity of your engine. The heat exchanger weighs 2.36 kg and impresses with its robust design, which is essential for marine and stationary applications.Suitable for MAN D Engines – Your Solution for QualityThis heat exchanger is suitable for MAN D engines that demand the highest performance standards. Our OEM spare parts are characterized by top-notch workmanship and materials that ensure optimal functionality. With over 25 years of experience, we know that reliability and quality are crucial for spare parts.
HEAT EXCHANGER - 81779030037 suitable for MAN D engines
Efficient Product with Comparison Number 81779030037Discover our product, the heat exchanger with the comparison number 81779030037. This heat exchanger weighs 9.05 kg and is specially designed for optimal performance in engines. Experience the efficiency it offers for your applications.Suitable for MAN D EnginesOur heat exchanger is suitable for MAN D engines and meets the strict requirements of professional users. This OEM spare part ensures effective coolant circulation and helps support the longevity of your engines. Rely on a product that has been specifically developed for use in demanding environments.
HEAT EXCHANGER - 81779030033 suitable for MAN D engines
Heat exchanger suitable for MAN D enginesDiscover the heat exchanger with the comparison number 81779030033, an essential OEM replacement part specifically designed for reliable cooling of engines. This product is optimally suited to ensure efficient heat transfer in your engines. Weighing 3.246 kg, the heat exchanger provides a robust and durable solution that meets the demands of both marine and stationary applications.
HEAT EXCHANGER - 81779030019 suitable for MAN D engines
Efficient Heat Transfer: Comparison Number 81779030019Our heat exchanger with the comparison number 81779030019 impresses with optimal heat transfer and is ideal for demanding applications. This product is specifically suitable for engines operating in marine and stationary environments. Weighing 3.239 kg, it provides the necessary stability and efficiency.
PREHEATER - 81779006251 suitable for MAN D engines
Efficient Preheater with Comparison Number 81779006251Our preheater with the comparison number 81779006251 is the ideal replacement part, suitable for MAN D engines. This product stands out due to its precise fit and high efficiency. Weighing 24.5 kg, it is robust enough to withstand even the most demanding conditions in marine and stationary applications.Optimal Heat Transfer for MAN D EnginesThe preheater ensures that engines quickly reach the optimal operating temperature, which not only increases efficiency but also minimizes wear. Rely on this replacement part, specifically designed to support engines compatible with MAN, MWM, Mercedes-Benz, Deutz, Volvo, MTU, Bosch, and Detroit Diesel.
HEAT EXCHANGER - 81619206035 suitable for MAN D engines
Effective Heat Exchanger for Efficient ApplicationsDiscover our heat exchanger (comparison number: 81619206035), designed to be suitable for MAN D engines. Weighing 3.26 kg, this OEM replacement part offers outstanding performance and reliability that are essential for marine and stationary applications.Advantages of OEM Replacement PartsOEM replacement parts are known for their quality and adaptability. Our products, including the heat exchanger with the comparison number 81619206035, are suitable for MAN D engines, allowing you to rely on consistent performance. Unlike aftermarket solutions, which often fail to meet required standards, our OEM replacement parts ensure long-term and effective application.
HEAT EXCHANGER - 81619206026 suitable for MAN D engines
Efficient Heat Exchanger Suitable for MAN D EnginesDiscover the heat exchanger with the comparison number 81619206026, which has been specifically designed to work optimally with MAN D engines. This OEM spare part offers the reliability and performance you can expect from a manufacturer. The heat exchanger plays a crucial role in the efficient heat distribution in engines, benefiting smooth operation under various conditions.
HEAT EXCHANGER - 81619206025 suitable for MAN D engines
Efficient Heat Exchanger for Your EnginesDiscover our heat exchanger, comparable to the part number 81619206025, which is ideal for optimizing the performance of your MAN D engines. This heat exchanger ensures effective temperature regulation, which is crucial for the longevity and reliability of your engines. Weighing 2.71 kg, this OEM spare part impresses with its robust construction.Suitable for MAN D EnginesThis product is designed to be suitable for MAN D engines and belongs to the category of heat exchangers. Since we only sell OEM spare parts, you can rely on the high quality that ensures optimal engine performance. Trust in the proven efficiency of this assembly.
HEAT EXCHANGER - 81619206024 suitable for MAN D engines
Excellent Heat Exchanger for MAN D EnginesDiscover the heat exchanger (comparison number: 81619206024), a top-quality OEM replacement part specifically designed for the needs of engines. This product ensures optimal cooling and efficiency in operation, allowing you to rely on the best possible performance.
HEAT EXCHANGER - 81619206023 suitable for MAN D engines
Efficient Heat Exchanger for Optimal Engine PerformanceDiscover our heat exchanger (comparison number: 81619206023), suitable for MAN D engines. This OEM replacement part offers the performance and durability you need for applications in marine and stationary areas as well as for locomotives. Weighing 1.18 kg, this product ensures efficient regulation of engine temperature.Essential Components for EnginesThe heat exchanger is a crucial component that ensures optimal operating conditions for engines. Thanks to its special design, this replacement part helps maintain control over engine temperature, significantly extending the lifespan of your machines. Rely on our over 25 years of expertise and performance for your applications.
HEAT EXCHANGER - 81619206020 suitable for MAN D engines
Quality that Convicts: Heat exchanger suitable for MAN DDiscover our heat exchanger with the comparison number 81619206020, an indispensable product specifically designed for MAN D engines. This heat exchanger ensures excellent heat transfer and helps maximize the efficiency of your engines. Weighing 7.28 kg, the OEM spare part is robust and durable, indicating lasting performance.Efficient Solutions: OEM Spare Parts for MAN D EnginesOur heat exchanger is a functional OEM spare part designed to seamlessly integrate into your MAN D engines. Its exact fit makes it ideal for marine and stationary applications, as well as for locomotives. Rely on the quality you can expect from OEM spare parts.
HEAT EXCHANGER - 81619206016 suitable for MAN D engines
Reliable Heat Exchanger with Comparison Number 81619206016Discover our heat exchanger, known by the comparison number 81619206016. This OEM replacement part weighs only 2.3 kg and offers top-notch performance and reliability for your applications. With our many years of experience, we ensure the quality you need.Suitable for MAN D EnginesThis product is suitable for MAN D engines and ensures that your engine operates efficiently. Our OEM replacement parts come directly from the manufacturer, providing you with the assurance of a perfect fit and excellent workmanship. Rely on comparison number 81619206016 to achieve maximum efficiency.
HEAT EXCHANGER - 81619206015 suitable for MAN D engines
Efficient Heat Exchanger for Optimal Performance Discover our heat exchanger with the comparison number 81619206015. This OEM replacement part impresses with top-notch craftsmanship and is specifically designed to ensure perfect functionality in marine and stationary engine applications. Weighing 3.87 kg, this heat exchanger is ideally suited for numerous applications and delivers optimal performance.Compatible with MAN D Engines This heat exchanger is compatible with MAN D engines and provides the reliability you expect from a top-quality replacement part. The use of OEM replacement parts signifies quality and durability, allowing you to trust a product that delivers excellent results in your engines.
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.