Alternator and generator – reliable power systems
Alternators and generators are essential for supplying electrical power in engine-based systems. From marine vessels to industrial engines and auxiliary power units, the right alternator and generator setup ensures energy availability, system stability and operational safety. Whether as a generator engine for onboard electricity or an alternator motor for battery charging – efficient power generation is the foundation of reliable operation.
Choose from following:
ALTERNATOR - 81261016088 suitable for MAN D engines
Efficient Alternator for EnginesDiscover the alternator with the comparison number 81261016088, a top-quality OEM replacement part specifically designed for MAN D engines. This reliable product ensures a stable power supply and is ideal for diesel and gas engines used in marine and stationary applications as well as in locomotives.
ALTERNATOR - 81261016086 suitable for MAN D engines
Alternator/Fan suitable for MAN D enginesDiscover the alternator (comparison number: 81261016086), an essential product specifically designed to support optimal performance in MAN D engines. Weighing 15.1 kg, this reliable component provides the power your system needs. Our OEM spare parts stand for quality and durability to operate your engines efficiently in marine and stationary applications.
ALTERNATOR - 81261016085 suitable for MAN D engines
Essential Spare Part for EnginesDiscover our outstanding product: the alternator with the comparison number 81261016085. This OEM spare part is specifically designed to meet the requirements of engines used in marine and stationary applications. Weighing 15.3 kg, this component offers reliability and performance.
ALTERNATOR - 81261016084 suitable for MAN D engines
Reliable Power Source: AlternatorExperience the efficiency of our alternator, which is marked with the comparison number 81261016084. This OEM replacement part offers you the perfect solution for your machines. Weighing 15.1 kg, the product ensures a reliable power supply that is crucial for the operation of engines.Precise Fit for MAN D EnginesOur offering includes OEM replacement parts that are specifically designed to fit MAN D engines. The alternator provides excellent performance and efficient operation of your equipment. At MOPA Motorparts, we understand the importance of quality and durability in engines.
ALTERNATOR - 81261016082 suitable for MAN D engines
Excellent Performance with Top-Quality MaterialsDiscover the alternator with the comparison number 81261016082, specifically suitable for MAN D engines. This OEM spare part offers the highest quality and ensures reliable performance in your marine or stationary application. Weighing 27.7 kg, it combines stability and robustness, keeping your engine in optimal condition.Efficient Solution for MAN D EnginesOur alternator is compatible with MAN D engines and meets all the requirements placed on modern engines. The use of OEM spare parts ensures you receive a product of the best quality that optimally supports your engine. Rely on the durability and efficiency that this innovative component offers.
ALTERNATOR - 81261016081 suitable for MAN D engines
Alternator with Comparison Number 81261016081Discover our powerful alternator replacement part with the comparison number 81261016081, suitable for MAN D engines. This OEM replacement part provides you with the reliability and efficiency you need for your applications in marine and stationary areas. Weighing 15.1 kg, this product is optimally designed to meet the requirements of engines.Optimal Fit for MAN D EnginesThis alternator replacement part is specifically designed to be compatible with MAN D engines. The use of high-quality materials and precise manufacturing distinguishes this OEM replacement part, making it ideal for locomotives and maritime applications. Trust in the qualities that only an OEM replacement part can offer.
ALTERNATOR - 0986039530 suitable for Bosch engines
Alternator/generator for MAN D EnginesDiscover our alternator/generator with the comparison number 0986039530 – the ideal OEM spare part for your needs. This product is specifically suitable for MAN D engines and impresses with its reliability and long-lasting performance. Weighing 15.1 kg, this alternator is ready to operate optimally even under demanding conditions.Power Supply for EnginesOur alternator provides a reliable power supply, which is crucial for the functionality of all engines. Suitable for MAN D engines, this OEM spare part ensures that your vehicle can operate smoothly and efficiently. Quick installation and durable performance make this product an essential component in your operations.
ALTERNATOR - 0120689541 suitable for Bosch engines
Excellent Alternator for MAN D EnginesDiscover our alternator, suitable for MAN D engines. This OEM replacement part is manufactured to the highest quality standards and offers an excellent fit. With the comparison number 0120689541, this product delivers reliable performance that you can expect in application.Robust Product with Optimal PerformanceWeighing 15.1 kg, this OEM replacement part provides stability and durability for your engines. In the category of alternator and generator, you will find a solution that can be seamlessly integrated into your machines. Our products are specifically designed to meet the high demands of the marine and stationary industries.
ALTERNATOR - 81261016059 suitable for MAN D engines
Quality Replacement Part with Comparison Number 81261016059Discover our reliable alternator with the comparison number 81261016059, specifically designed to deliver optimal performance. This OEM replacement part is precisely tailored for MAN D engines and provides you with the necessary reliability to operate your equipment effectively.
ALTERNATOR - 81261016049 suitable for MAN D engines
Efficient Alternator for MAN D EnginesDiscover our alternator, an OEM replacement part specifically designed to provide solutions for your engines. With the comparison number 81261016049, we offer you the desired OEM quality, suitable for MAN D engines. This product combines performance and reliability and is an excellent choice for your application.
ALTERNATOR - 81261016046 suitable for MAN D engines
First-Class OEM Replacement Part for Reliable EnginesDiscover the powerful alternator with the comparison number 81261016046, suitable for MAN D engines. Weighing 14.9 kg, this OEM replacement part impresses with its reliability and durability, which are essential for marine and stationary use. The precise fit and functionality ensure that your engine operates efficiently.Precision for Your EnginesOur alternator in the product group alternator and generator brings the quality you can expect from OEM replacement parts. Suitable for MAN D engines, this product ensures optimal power supply. Rely on the precision that only faithful replacement parts can offer – each component is designed to meet the industry's high standards.
ALTERNATOR - 81261016031 suitable for MAN D engines
Alternator/Generator with Comparison Number 81261016031Discover the alternator with the comparison number 81261016031, which has been specifically designed to power engines compatible with MAN D. This OEM spare part ensures reliable performance in demanding applications, including marine and stationary applications as well as locomotives. Weighing 19.6 kg, this product combines robustness and efficiency.Precise Fit for Your ApplicationsThis OEM spare part is not only powerful but also precisely tuned to the requirements of engines compatible with MAN D. The quality of our alternator meets the standards of leading manufacturers, allowing you to invest in the optimal functionality of your machine with our comparison number 81261016031.
ALTERNATOR - K1RL28V27A23 suitable for Bosch engines
Reliable Alternator for MAN D EnginesDiscover the alternator marked with the comparison number K1RL28V27A23, specially designed for MAN D engines. This top-quality product weighs 3.785 kg and meets the high demands for performance and efficiency required in marine and stationary applications.OEM Spare Parts for Diverse ApplicationsOur alternator is an OEM spare part manufactured directly to the standards of original equipment quality. As a compatible component for MAN D engines, it ensures a reliable power supply that is essential for the optimal operation of your engine. Trust in the quality that our family-owned business, now in its second generation, offers you.
ALTERNATOR - 81261016012 suitable for MAN D engines
Efficient Solution: Alternator/GeneratorDiscover our alternator/generator OEM replacement part with the comparison number 81261016012. This product is specifically designed and suitable for MAN D engines to ensure optimal power supply.Reliability and PrecisionWeighing 3.785 kg, this OEM replacement part is characterized by the highest precision. It is perfectly suited for marine and stationary use as well as for locomotives, where quality and durability of the engines play a central role.
ALTERNATOR - 0120400805 suitable for Bosch engines
Alternator with comparison number 0120400805Discover the alternator with the comparison number 0120400805, specifically suitable for MAN D engines. This product offers reliability and is ideal for use in demanding environments, whether in marine applications or stationary use. Weighing 3.785 kg, this OEM replacement part combines robustness with efficiency.Suitable for MAN D engines – Quality from OEMOur OEM replacement part, suitable for MAN D engines, ensures the highest precision and fit. The comparison number 0120400805 allows for easy identification, so you can be confident in choosing the right component. This product is designed to optimize the performance of your engines – whether in everyday operation or under extreme conditions.
ALTERNATOR - 0012351401 suitable for MTU engines
Optimal Alternator – OEM Replacement PartDiscover our alternator, a high-quality OEM replacement part specifically designed to seamlessly work with MTU engines. With the comparison number 0012351401, you can quickly find the right product. This replacement part is suitable for the series 331 and the engine type 12V331TC92, ensuring a reliable power supply for your engine.
ALTERNATOR - 51261019215 suitable for MAN D engines
Optimal Electricity with AlternatorThe alternator (comparison number: 51261019215) is an essential component that provides reliable power supply in engines. Weighing 5.08 kg, this OEM replacement part is ideal for use in demanding environments, whether marine or stationary.Efficiency and Fit for MAN D EnginesThis replacement part is precisely designed for MAN D engines and offers a top-notch solution for all your requirements. Rely on the performance of this alternator to operate engines efficiently and minimize downtime.
ALTERNATOR - 51261017283 suitable for MAN D engines
Premium Replacement Part: Alternator Discover the alternator with the comparison number 51261017283. This product is essential for the smooth operation of your engines and is designed to fit MAN D engines. Weighing 80.31 kg, our premium replacement part offers the stability and efficiency you need to ensure maximum performance in your marine and stationary applications.
ALTERNATOR - 51261017281 suitable for MAN D engines
Alternator/Generator: Precise Technology for MAN D EnginesDiscover our alternator/generator with the comparison number 51261017281, an essential OEM spare part specifically designed to provide the highest precision and reliability. This product is specifically compatible with MAN D engines and ensures stable operation of your diesel and gas engines.Reliable Performance for Your EnginesWith the comparison number 51261017281, you receive a top-quality spare part that enables optimal performance. This OEM spare part is indispensable for marine and stationary applications and ensures that your engines run smoothly even under demanding conditions. Rely on proven quality.
ALTERNATOR - 51261017271 suitable for MAN D engines
Alternator for Reliable Engine PerformanceDiscover the alternator with the comparison number 51261017271, specifically designed for MAN D engines. This OEM replacement part stands out for its precision and reliability, ideal for efficient operation in maritime and stationary applications. Weighing 6.55 kg, this product offers both stability and durability for your engine.Optimal Power Supply for MAN D EnginesThe alternator provides a constant power supply, which is essential to maintain the performance of engines compatible with MAN D. This OEM replacement part is perfect for users who value quality and above-average performance. Rely on the quality that can only be achieved through authentic OEM replacement parts.
ALTERNATOR - 51261017266 suitable for MAN D engines
Robust Product Suitable for MAN D EnginesOur alternator with the comparison number 51261017266 is the ideal OEM replacement part for applications in demanding environments. Weighing 5.43 kg, this product stands out for its excellent build quality, ensuring a reliable power supply for your engines, especially suitable for MAN D engines. The alternator is offered as an OEM replacement part, highlighting its compatibility and durability.
ALTERNATOR - 51261017261 suitable for MAN D engines
Reliable Product: AlternatorDiscover the alternator with comparison number 51261017261, a product that delivers optimal performance. Weighing 6.21 kg, this OEM replacement part is the right choice for your requirements for engines in marine and stationary applications.
ALTERNATOR - 51261017249 suitable for MAN D engines
Reference Number 51261017249: Product Alternator suitable for MAN DThe product with reference number 51261017249 is an alternator specially designed to fit MAN D engines. With its compact dimensions of 23.5 cm length, 23.5 cm width, and 19.5 cm height, as well as a weight of 7.04 kg, this spare part fits perfectly into the engine assemblies. It ensures a stable power supply and contributes to the efficient functionality of the engines.OEM Spare Part suitable for MAN D Manufacturer: Precision and QualityAs an OEM spare part, the alternator with reference number 51261017249 meets the technical specifications suitable for MAN D engines. This precise matching between spare part and engine increases the durability and performance of the engines without compromise. The accurate workmanship and materials provide a solid foundation for reliable engine operation.
ALTERNATOR - 51261017247 suitable for MAN D engines
Reliable Product: Alternator Discover our alternator with the comparison number 51261017247, which provides the performance you need for your engines. This OEM replacement part impresses with its robust construction and top-notch technology. Weighing 7.315 kg, it is ideal for use in demanding environments and ensures that you always have the necessary energy for your operations.Optimally Matched: Suitable for MAN D Engines Our product is suitable for MAN D engines and ensures a reliable power supply. The alternator with comparison number 51261017247 is specially designed to maximize the efficiency of your engine and meet the highest standards of quality and durability. Rely on the performance that only OEM replacement parts can offer.
Function and benefits
An alternator converts mechanical energy from the engine into electrical current. Generators serve a similar function, with slightly different construction and use cases. In modern systems, a generator for diesel engine provides backup power or supports continuous onboard supply. Key advantages include:
- Reliable power for control systems, lighting, pumps and more
- Efficient battery charging during engine operation
- Support for hybrid energy systems and emergency functions
A marine alternator is built to withstand harsh environments such as humidity, salt exposure and vibration – making it an indispensable part of any boat alternators setup.
Types and applications
Alternators and generators vary by engine size, voltage output and cooling method. A generator engine may include integrated controllers or be part of a separate power management system. Alternator engines are common in ships, off-grid plants and diesel-powered equipment.
Alternator motors are typically found in engine-driven systems where continuous DC charging is required. In marine use, marine alternators and boat alternators are selected for corrosion resistance, sealed housings and marine-certified wiring.
Installation and maintenance
Correct sizing and alignment are crucial when installing an alternator and generator unit. Mounting brackets, belt tension, electrical connections and voltage regulation must meet OEM requirements. Maintenance involves checking bearings, output voltage, brushes (if applicable) and ensuring clean, corrosion-free connections.
We offer a wide range of alternators and generators suitable for MTU, Deutz, MAN, Volvo Penta and MWM engines – for marine, industrial and stationary applications. All components are selected for high durability, performance and fast availability from our warehouse.
FAQ
Do boat motors have alternators?
Yes, most boat motors are equipped with alternators. They charge onboard batteries and power electrical systems while the engine is running. Marine alternators are specially designed to withstand harsh conditions such as moisture, salt and vibration.
Is the alternator part of the engine?
The alternator is typically mounted on the engine and driven by a belt connected to the crankshaft. While it's not a structural engine part, it is an integrated component of the engine’s accessory system.
How to check alternator on diesel engine?
To check an alternator on a diesel engine, inspect belt tension and connections, measure battery voltage before and after starting, and test alternator output with a multimeter. Voltage should rise when the engine is running, indicating proper function.
What is the difference between a motor and a generator?
A motor converts electrical energy into mechanical motion, while a generator does the opposite: it converts mechanical energy into electrical power. In an engine system, motors drive functions, while generators and alternators supply electricity.