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.
TEMP. PROTECTOR - 21427364 suitable for Volvo/Volvo Penta engines
Efficient Temp. Protector for Significant ApplicationsDiscover the effective Temp. protector with the comparison number 21427364, a top-quality OEM replacement part for your engines. This product belongs to the group of Heat exchangers and offers the reliability you expect from a quality component. Weighing 2.273 kg, it is characterized by robustness and durability, making it the ideal choice for numerous industrial applications.
TEMP. PROTECTOR - 21409731 suitable for Volvo/Volvo Penta engines
Precise Temp. protector, suitable for Volvo/Volvo Penta enginesDiscover the Temp. protector with the comparison number 21409731, which offers exceptionally fitting solutions for Volvo/Volvo Penta engines. This OEM replacement part ensures a precise fit and is an essential component to secure the optimal efficiency and longevity of your engines. Weighing 0.78 kg, the Temp. protector combines stability and user-friendliness, allowing you to rely on the highest quality during installation.
TEMP. PROTECTOR - 21356811 suitable for Volvo/Volvo Penta engines
Efficient Temp. Protector Suitable for Volvo/Volvo Penta Engines The OEM spare part, which functions as a temp. protector, has the comparison number 21356811 and is the perfect companion for your Volvo/Volvo Penta engines. This product ensures that your engine is optimally temperature regulated, significantly enhancing the reliability of your technology.Robust Design for Reliable Performance Weighing 4.36 kg, the temp. protector offers the stability and functionality that are essential for trouble-free operation. The spare part suitable for Volvo/Volvo Penta engines is ideal for bearings applications and provides excellent thermal insulation. Rely on the precision that is embedded in this OEM spare part.
TEMP. PROTECTOR - 21330039 suitable for Volvo/Volvo Penta engines
Effective Temp. protector for the Highest DemandsDiscover our outstanding Temp. protector (comparison number 21330039), specially designed to provide optimal protection for engines. This OEM replacement part ensures a perfect fit and high performance, suitable for Volvo/Volvo Penta engines. The precise craftsmanship and thoughtful design of this product ensure that your engine operates reliably even under the most extreme conditions.
TEMP. PROTECTOR - 21311039 suitable for Volvo/Volvo Penta engines
Comparison Number 21311039 – Temp. protector for EnginesDiscover our product, the Temp. protector with comparison number 21311039, suitable for Volvo/Volvo Penta engines. This OEM replacement part ensures balanced temperature regulation, which is essential for optimal performance of your engines. Weighing 1.06 kg, the Temp. protector offers optimal robustness for marine and stationary applications.Durability for Volvo/Volvo Penta EnginesThe Temp. protector is specifically designed to help your engines operate efficiently and durably. A high-quality OEM replacement part like this is indispensable for the category Starter. Rely on the quality of our product, which has been meticulously assembled to meet the highest standards.Ideal for Demanding ApplicationsThis product is not only a highly accurate Temp. protector, but it is also suitable for a variety of applications in engines within this segment. Any OEM replacement parts we offer meet stringent standards that are essential for reliable operation. Trust in our experience when it comes to providing suitable solutions.
TEMP. PROTECTOR - 21272606 suitable for Volvo/Volvo Penta engines
Temp. protector with comparison number 21272606Discover the Temp. protector with the comparison number 21272606, an essential product designed specifically for Volvo/Volvo Penta engines. This OEM replacement part reliably protects against excessive heat, significantly increasing the lifespan of your engines. Weighing only 0.286 kg, this quality product is not only lightweight but also easy to install.Extensive selection in BearingsAt MOPA Motorparts, you benefit from our wide selection of OEM replacement parts for engines. Our large Bearings offers you numerous spare parts compatible with renowned manufacturers such as MWM, Mercedes-Benz, Deutz, MAN, MTU, Bosch, and Detroit Diesel. This ensures that you receive the necessary spare part quickly, keeping your machines optimally operational.
TEMP. PROTECTOR - 21231850 suitable for Volvo/Volvo Penta engines
Precise Temp. protector for enginesDiscover our Temp. protector, an essential OEM spare part in the category Lines and pipes. With the comparison number 21231850, this product is suitable for Volvo/Volvo Penta engines and plays a crucial role in enhancing your engine's performance.Protection and efficiency in one componentThe Temp. protector provides reliable protection against overheating and contributes to optimal heat distribution. This spare part is suitable for Volvo/Volvo Penta engines and is particularly relevant for applications in maritime and stationary fields.
TEMP. PROTECTOR - 21212256 suitable for Volvo/Volvo Penta engines
Excellent Temp. protector for Your EfficiencyThe Temp. protector with the comparison number 21212256 meets the highest standards and is indispensable for the optimal function of your engine. This replacement part has been carefully manufactured to be perfectly suitable for Volvo/Volvo Penta engines. Weighing 0.404 kg, it provides effective protection for sensitive gears and toothed wheels components.Suitable for Volvo/Volvo Penta EnginesThis product, suitable for Volvo/Volvo Penta, offers you reliable temperature control, which is crucial for the longevity of your engines. Our replacement parts are characterized by their high quality and precise fit, allowing you to rely on their performance.
TEMP. PROTECTOR - 21195170 suitable for Volvo/Volvo Penta engines
Quality Temp. protector with comparison number 21195170Discover our Temp. protector, which is listed under the comparison number 21195170 and specially designed for applications in high-performance engines. This top-notch OEM replacement part belongs to the article group Holders, plates and flanges. Weighing only 0.252 kg, the product is ideally suited to enhance the efficiency and durability of your engine.
TEMP. PROTECTOR - 21136738 suitable for Volvo/Volvo Penta engines
Efficient Temp. Protector for Your NeedsDiscover our Temp. protector with the comparison number 21136738, an indispensable OEM spare part specifically designed for use in Gears and toothed wheels. The product, made from sturdy material, impresses with a weight of 2.96 kg. It is the ideal choice for companies that require reliability and durability in their systems.Optimal Protection for Volvo/Volvo Penta EnginesOur Temp. protector is suitable for Volvo/Volvo Penta engines and protects critical components from excessive heat. This sustainably improves the operational efficiency of your systems. Benefit from the high quality of our OEM spare parts, which are designed to meet specific requirements. The comparison number 21136738 also ensures precise fit and outstanding functionality.
TEMP. PROTECTOR - 20914410 suitable for Volvo/Volvo Penta engines
Robust Temp. protector with comparison number 20914410Discover our reliable Temp. protector with comparison number 20914410. This product has established itself as an ideal component in Engine drive components and has been designed specifically for Volvo/Volvo Penta engines to provide excellent performance in challenging environments. Weighing only 0.694 kg, it ensures optimal handling and stability.Efficient protection for enginesThe Temp. protector offers optimal protection for components suitable for Volvo/Volvo Penta engines by insulating sensitive parts from excessive heat. The efficient heat dissipation significantly contributes to the longevity of the engine and ensures reliable functionality under various operating conditions.
TEMP. PROTECTOR - 20856724 suitable for Volvo/Volvo Penta engines
Quality Product: Temp. protector Comparison Number 20856724Discover our Temp. protector, item number Comparison Number 20856724, specifically designed for diesel and gas engine applications. This product is suitable for Volvo/Volvo Penta engines and belongs to the category of Holders, plates and flanges. Weighing 1.309 kg, it ensures excellent stability and meets the demands of stationary operations and marine applications.
TEMP. PROTECTOR - 20771140 suitable for Volvo/Volvo Penta engines
Essential Temp. Protector – Reference Number 20771140The temp. protector with reference number 20771140 is an important product for the optimal performance of your engines. This OEM replacement part ensures that the heat generated during operation is effectively dissipated and contributes to the high efficiency of your applications.Perfect Fit for Your ApplicationsThe temp. protector is categorized under lines and pipes and is suitable for Volvo/Volvo Penta engines. Weighing only 0.004 kg, the component is easy to handle and allows for effortless installation. Trust in the precise fit that ensures effective operation of your engines.
TEMP. PROTECTOR - 20749801 suitable for Volvo/Volvo Penta engines
Premium Temp. protector for efficient enginesDiscover our Temp. protector, which not only offers excellent heat shielding but also impresses with the reference number 20749801. This product belongs to the category "Signs and markings" and is specifically designed suitable for Volvo/Volvo Penta engines. Weighing only 0.031 kg, it combines lightness with functionality, making it an ideal solution for your engine protectors.Rely on OEM replacement parts for your enginesWe have a comprehensive portfolio of OEM replacement parts that clearly set us apart from aftermarket products, which often consist of inferior materials. Our Temp. protector with the reference number 20749801 stands for high product quality that supports the performance of your suitable for Volvo/Volvo Penta engines and extends their lifespan.
TEMP. PROTECTOR - 20711293 suitable for Volvo/Volvo Penta engines
Efficient Temp. protector suitable for enginesDiscover our high-quality Temp. protector that meets the exact requirements of engines. With the comparison number 20711293, this product is key to the optimal functionality of your machines. This widely used OEM spare part is specially designed to provide excellent fit, making it perfectly suitable to meet your needs.Perfect fit for Volvo/Volvo Penta enginesThis Temp. protector is suitable for Volvo/Volvo Penta engines; it ensures that your engine delivers optimal performance under all conditions. Weighing only 0.031 kg, the product provides stability without unnecessary extra weight. OEM spare parts are known for their durability and efficiency, which saves costs and optimizes the operability of your machines.
TEMP. PROTECTOR - 20566300 suitable for Volvo/Volvo Penta engines
Excellent Temp. Protector with Comparison Number 20566300Discover our excellent Temp. Protector with the comparison number 20566300, specifically designed for your needs and suitable for engines. This OEM replacement part offers you the quality of first-line manufacturing and is therefore ideal for any application in marine and stationary engines.Consistent Quality Suitable for Volvo/Volvo Penta EnginesThe Temp. Protector is suitable for Volvo/Volvo Penta engines and impresses with its optimized fit and durability. Weighing only 0.25 kg, it remains lightweight without compromising functionality. Trust our expertise in OEM replacement parts to provide you with the reliability and longevity your engines require.
TEMP. PROTECTOR - 20460167 suitable for Volvo/Volvo Penta engines
Premium Temp. protector compatible with Volvo/Volvo Penta enginesDiscover the Temp. protector with the comparison number 20460167, specifically designed to optimally support engine performance. This OEM spare part offers excellent protective properties against high temperatures and ensures that your engine always functions at its best.Quality features of OEM spare partsThe Temp. protector is an OEM spare part that makes it possible to provide a compatible component for Volvo/Volvo Penta engines. Weighing just 0.16 kg, it impresses with an ergonomic design that promotes easy handling and ensures maximum efficiency for your marine engines.
Hitzeschild - 20409127 suitable for Volvo/Volvo Penta engines
Powerful Hitzeschild suitable for Volvo/Volvo Penta engines Discover our premium Hitzeschild with the comparison number 20409127. This product is specifically designed to fit Volvo/Volvo Penta engines and offers excellent heat insulation to effectively protect your engines from overheating.
Hitzeschild - 1628880 suitable for Volvo/Volvo Penta engines
Reliable Hitzeschild: Model 1628880Discover our Hitzeschild, suitable for Volvo/Volvo Penta engines. With the comparison number 1628880, this OEM replacement part offers proven quality and safety that are essential for the optimal operation of engines. We have a wide selection of items in stock to meet the demand for essential engine components.
TEMP. PROTECTOR - 1622523 suitable for Volvo/Volvo Penta engines
Temp. protector suitable for Volvo/Volvo PentaDiscover our temp. protector (comparison number 1622523), which is specifically designed for use as an OEM replacement part. This product has been developed for Volvo/Volvo Penta engines and ensures a perfect fit through its sophisticated design. Weighing only 0.067 kg, the product offers easy handling and the necessary stability for various applications.
Hitzeschild - 1605600 suitable for Volvo/Volvo Penta engines
Premium Heat Shield for Special Applications The heat shield with the comparison number 1605600 is a premium OEM replacement part specifically designed for Volvo/Volvo Penta engines. Thanks to its robust material design, it effectively protects against extreme temperatures and contributes to the longevity of the engines. Trust in the quality that we provide as an established supplier in the B2B sector.
Hitzeschild - 1588971 suitable for Volvo/Volvo Penta engines
High-Performance Hitzeschild according to reference number 1588971Our Hitzeschild (reference number: 1588971) is a reliable OEM replacement part specifically designed to ensure optimal performance for engines. This product is ideal for your requirements and creates an efficient operational environment.
TEMP. PROTECTOR - 1542154 suitable for Volvo/Volvo Penta engines
An essential Temp. protector suitable for Volvo/Volvo Penta engines Our Temp. protector with the comparison number 1542154 is an indispensable OEM replacement part that has been specifically designed for Volvo/Volvo Penta engines. With this product, you ensure effective thermal insulation in the Gears and toothed wheels group and secure smooth operation of your engine.Quality and reliability for your engines The use of OEM replacement parts, like our Temp. protector, means only the highest quality and functionality. This comparison number 1542154 product is suitable for Volvo/Volvo Penta engines and impresses with its precise fit and durability. Trust in proven performance and excellent craftsmanship.
TEMP. PROTECTOR - 1257147 suitable for Volvo/Volvo Penta engines
Excellent Temp. protector suitable for Volvo/Volvo Penta Discover the premium Temp. protector with the comparison number 1257147, specifically designed for your needs from the article group Screws. This OEM replacement part belongs to the proven range of MOPA Motorparts and offers the highest quality with a direct connection to the manufacturers.Optimal solution for engines The Temp. protector provides outstanding thermal insulation for your engines, especially when suitable for Volvo/Volvo Penta. Precise workmanship and a lightweight of only 0.005 kg enhance operational efficiency and are a key factor for sustainable use.
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.