Engine crankcase – protection and structure
The engine crankcase is a vital structural component that houses and protects key moving parts of an engine. It encloses the crankshaft, bearings, and often the oil system, providing both mechanical support and lubrication management. Whether in marine engines, generators or heavy-duty vehicles, a high-quality engine crankcase ensures engine stability and long-term performance.
Choose from following:
CYLINDER LINER - 51012010444 suitable for MAN D-engines
Versatile Cylinder Liner for MAN D EnginesDiscover our cylinder liner with the comparison number 51012010444, an essential OEM spare part for engines in marine and stationary applications. The cylinder liner is specifically designed to create optimal operating conditions and offers an ideal solution, suitable for MAN D engines that require the highest reliability and efficiency.Reliability Through First-Class OEM Spare PartsThe cylinder liner weighs 6.77 kg and ensures a precise fit and stability in the engine. This product is suitable for all applications where MAN D engines are used. Our OEM spare parts ensure that your engines run smoothly even under extreme conditions, with the cylinder liner playing a central role.
- 51012010440 suitable for MAN D-engines
Cylinder Liner for MAN D EnginesThe cylinder liner with the comparison number 51012010440 offers maximum efficiency and precision. The product with an oversize diameter of 0 optimizes the performance of your engines and ensures their reliability in marine and stationary applications.
CYLINDER LINER - 51012010435 suitable for MAN D engines
CYLINDER LINER with the comparison number 51012010435 suitable for MAN D engines
CYLINDER LINER - 51012010420 suitable for MAN D-engines
Precise Cylinder Liner for Longevity and PerformanceDiscover our cylinder liner with the comparison number 51012010420, specifically designed to achieve optimal performance and milestone operational times. This OEM spare part belongs to the category of crankcase parts and is particularly suitable for MAN D engines. With a weight of 6.719 kg, this liner offers the necessary stability and efficiency for various applications, including marine and stationary use.Performance Through High-Quality OEM ProductionOur cylinder liner provides the precise manufacturing that your engines require. By using OEM spare parts, you not only avoid downtime but also significantly extend the lifespan of your engines. Every product from MOPA Motorparts is diligently tested to ensure that all standards are met. Rely on the reliability of the cylinder liner that is suitable for MAN D engines.
CYLINDER LINER - 51012010417 suitable for MAN D-engines
Cylinder Liner for High-Performance EnginesDiscover the top-quality cylinder liner with the comparison number 51012010417 – a significant product in the category of crankcase parts. This OEM replacement part is distinguished by its durability and efficiency, making it well-suited for applications in marine and stationary environments. Weighing 7.21 kg, this cylinder liner meets the requirements of modern engines.
CYLINDER LINER - 51012010406 suitable for MAN D-engines
Cylinder Liner for Outstanding ApplicationsDiscover our cylinder liner with the reference number 51012010406 – a significant product from the category crankcase parts. The OEM replacement part is compatible with MAN D engines and offers excellent fit, which is particularly important in marine and stationary applications. Your choice for quality demonstrates that you are looking for durable and reliable components for engines.Stability and DurabilityThe cylinder liner with the reference number 51012010406 weighs 6.861 kg, providing excellent resilience. As an OEM replacement part, you benefit from the high standards that products from the equipment manufacturer can offer. Compatible with MAN D engines, you receive not only a functional product but also reliability under demanding operating conditions.
CYLINDER LINER COLLAR HEIGHT - 51012010401 suitable for MAN D-engines
Precise Cylinder Liner for Various ApplicationsDiscover the cylinder liner with the part number 51012010401, a top-quality OEM spare part suitable for MAN D engines. This cylinder liner plays a crucial role in the operation of your engine, ensuring maximum precision by enabling efficient piston movement. Weighing just 0.96 kg, we offer you a product that combines stability and performance.Reliability of OEM Spare Parts for EnginesThe cylinder liner is essential for the optimal functioning of engines, compatible with MAN D. This OEM spare part is produced with care and meets all quality standards to minimize failures and maintenance times. Rely on quality that shows in every application and thus support the longevity of your machine.
CYLINDER LINER - 51012010400 suitable for MAN D-engines
Cylinder Liner: Efficient Solution for Your EnginesDiscover our cylinder liner with the comparison number 51012010400, an essential product for the efficiency of your machine operation. As an OEM replacement part, this cylinder liner ensures excellent fit. Carefully designed, it meets the high demands placed on engine applications and offers you a lifespan that outshines competitors.Suitable for MAN D Engines: Perfect Fit and QualityThe cylinder liner with the comparison number 51012010400 is specifically designed to support high-performance engines, compatible with MAN D. Weighing 1.09 kg, this robust component ensures that your engines can perform optimally under various conditions. Trust in top-class OEM replacement parts for maximum efficiency in every application.
CYLINDER LINER - 51012010398 suitable for MAN D-engines
Cylinder Liner for EnginesDiscover the cylinder liner that is suitable for MAN D engines and is listed under the comparison number 51012010398. This OEM spare part is part of the crankcase parts category and ensures optimal fit in applications.Quality for Your ApplicationsThe cylinder liner impresses with its durable construction and is ideally suited for comprehensive use in marine and stationary engines. This OEM spare part stands for functionality even under demanding operating conditions.
CYLINDER LINER - 51012010386 suitable for MAN D-engines
Optimal Solution for Your EnginesDiscover the outstanding product in our range – the cylinder liner with the comparison number 51012010386. This essential component has been designed to enhance the performance and efficiency of your MAN D engines. With dimensions of 13 cm x 13 cm x 27 cm and a sturdy weight of 0.95 kg, this OEM spare part offers the perfect solution for your engine needs.Quality Components You Can Count OnThe cylinder liner, suitable for MAN D, is made of steel and features top-notch craftsmanship. As an OEM spare part, this component meets high manufacturing standards that you can benefit from in practice. Those who prioritize durability and functionality will find that this selection is the ideal choice.
CYLINDER LINER - 51012010385 suitable for MAN D-engines
Reliable Cylinder Liner with Comparison Number 51012010385Discover the cylinder liner with the comparison number 51012010385, an important OEM spare part. This product is characterized by its precise fit and consistent performance, making it ideal for your individual applications.
CYLINDER LINER - 51012010367 suitable for MAN D-engines
Cylinder Liner - Perfect for MAN D EnginesDiscover the Cylinder liner with the comparison number 51012010367 – an essential replacement part specifically designed for MAN D engines. Our Cylinder liner ensures the highest precision and is an important component of our crankcase parts. Indispensable for smooth operation.Quality Products with Internal ControlWith a weight of 8.707 kg, this replacement part offers the stability and safety you need in demanding environments. At MOPA Motorparts, we place great value on quality and use strict internal controls. This enables us to provide you with replacement parts that meet the highest standards.
CYLINDER LINER - 51012010344 suitable for MAN D-engines
Excellent Cylinder Liner for Efficient EnginesDiscover the Cylinder Liner, an outstanding product with the comparison number 51012010344, specifically designed to elevate engines to a new level of performance. This OEM spare part offers first-class quality and durability, making it indispensable for professional applications. With its robust design, the Cylinder Liner ensures it remains reliable and efficient over time.Product Details: Weight and DimensionsWeighing 6.77 kg and with compact dimensions of 17 cm in length and width, as well as 31 cm in height, the Cylinder Liner is optimally sized for a variety of requirements. This spare part is suitable for use in MAN D engines and thus exhibits ideal properties in terms of robustness and functionality. Rely on the high quality of our products to operate your engines reliably and efficiently.
CYLINDER LINER - 51012010343 suitable for MAN D-engines
Discover OEM Replacement Parts for MAN D EnginesDiscover the cylinder liner with the comparison number 51012010343, an OEM replacement part suitable for MAN D engines. This essential component belongs to the category of crankcase parts and ensures optimal functionality and performance. Weighing 6.375 kg, the cylinder liner not only provides the highest precision fit but also has a designed lifespan to meet the challenges in application.Quality Through Internal ControlsIn our family-owned company, which has successfully established itself in the second generation, internal controls to ensure product quality are of the utmost importance. Every product – as we exclusively distribute OEM replacement parts – is carefully selected for timely delivery and top-notch craftsmanship. Thus, you can rely on this product to support your MAN D engine reliably.
CYLINDER LINER - 51012010342 suitable for MAN D-engines
Cylinder Liner: Your Reliable Partner from the IndustryOur cylinder liner with the comparison number 51012010342 is a crucial OEM replacement part for your engines. This cylinder liner is suitable for MAN D engines and is important for the efficiency and longevity of your applications in both marine and stationary use. With a product of this class, you optimize performance, which is essential in both professional and industrial contexts.Technical Details: Comparison Number and DimensionsThe comparison number 51012010342 ensures the correct specifications, which allow for precise integration into your system. The cylinder liner weighs 6.487 kg and measures 30.7 cm in length as well as 30.7 cm in width and 17.5 cm in height. These dimensions ensure an ideal fit and contribute to the optimal functioning of your system.
CYLINDER LINER - 51012010329 suitable for MAN D-engines
Cylinder Liner for Various ApplicationsDiscover the cylinder liner with the comparison number 51012010329, which is crucial for the performance of your engines. This product is an essential crankcase part and offers outstanding quality. The cylinder liner is suitable for applications in maritime and stationary areas and meets all the requirements that professional users expect.Suitable for MAN D EnginesThe cylinder liner is compatible with MAN D engines and maximizes performance during operation. Thanks to its precise design, this component delivers top-notch results by optimizing smooth operation and noise reduction during use. Weighing 1.055 kg, the cylinder liner can be easily installed and is a reliable choice for quality-conscious customers.
CYLINDER LINER - 51012010327 suitable for MAN D engines
CYLINDER LINER with the comparison number 51012010327 suitable for MAN D engines
CYLINDER LINER - 51012010326 suitable for MAN D-engines
Cylinder Liner – the perfect replacement partDiscover the cylinder liner, an OEM replacement part compatible with MAN D engines (comparison number: 51012010326). Weighing 7 kg, this product impresses with its outstanding quality and long lifespan. It is the ideal crankcase part for applications in marine and stationary engines or locomotives.
CYLINDER LINER - 51012010324 suitable for MAN D engines
Cylinder Liner – Your Reliable ProductDiscover our top-notch product: the cylinder liner with the comparison number 51012010324. This OEM replacement part is essential for anyone in search of a dependable replacement. The cylinder liner is distinguished by its excellent quality and is suitable for MAN D engines. Enhance the performance of your systems and enjoy the benefits of an optimal replacement.
CYLINDER LINER - 51012010323 suitable for MAN D engines
Cylinder liner normal for your enginesDiscover our cylinder liner normal (comparison number: 51012010323), an outstanding product that is precisely suitable for MAN D engines. This OEM spare part impresses with its careful workmanship and offers reliable performance. As a fundamental component, it ensures the necessary sealing and thus significantly improves the efficiency of your engines.Precise product details and performanceWeighing 6.38 kg, our cylinder liner is not only robust but also optimally adapted to the requirements in the marine and stationary sector. Suitable for MAN D engines, this spare part ensures that your engine continues to operate efficiently and maximizes performance. Our OEM spare parts stand for the highest standards and reliability.
CYLINDER LINER - 51012010317 suitable for MAN D-engines
Discover the Cylinder Liner with the Comparison Number 51012010317Experience the quality of the Cylinder Liner with the comparison number 51012010317. This product belongs to the category Crankcase parts and offers a precise fit that is essential for smooth operation. The use of such OEM replacement parts increases the lifespan of your engines, especially the MAN D engines.Reliable Performance in FocusThe Cylinder Liner, compatible with MAN D engines, weighs 7.3 kg and ensures optimal installation and functionality. With this robust component, you reduce downtime and enhance the efficiency of your drive system. Our replacement parts stand out significantly from other solutions and provide you with the advantage of reliable performance.
CYLINDER LINER - 51012010311 suitable for MAN D-engines
Cylinder liner compatible with MAN DDiscover the cylinder liner with the comparison number 51012010311, an essential spare part, specifically designed to achieve perfect performance during engine maintenance. Weighing 6.4 kg, this component ensures that your machines operate optimally – specifically compatible with MAN D engines. The quality of this product ensures optimal performance and longevity.Comparison number 51012010311: Your identificationThe comparison number 51012010311 is the feature that identifies this spare part as a format economy. Those seeking spare parts that optimize engine performance and efficiency will find this component to be an excellent choice. Trust in the quality and choose this spare part to meet the highest demands.
CYLINDER LINER - 51012010309 suitable for MAN D-engines
Discover Cylinder Liner Suitable for MAN D EnginesOur cylinder liner with the comparison number 51012010309 is a special product that is optimally tailored to the requirements of engines. This OEM replacement part has been specifically developed for MAN D engines and offers excellent performance in all areas of application due to its outstanding craftsmanship.Advantages of Comparison Number 51012010309Weighing 6.78 kg, the cylinder liner combines stability and reliability. Unlike conventional aftermarket products, OEM replacement parts provide high quality that is confirmed by the manufacturers. By using the comparison number 51012010309, you can specifically select the cylinder liner and ensure that you receive a suitable component.
CYLINDER LINER - 51012010308 suitable for MAN D-engines
Cylinder liner for MAN D enginesThe cylinder liner with the comparison number 51012010308 is a crucial OEM spare part specifically designed for MAN D engines. With this cylinder liner, you not only optimize the performance of your engines but also ensure their longevity and reliability. Trust in our many years of experience to find the right product for your specific needs.Perfect features for enginesWeighing 6.8 kg, the cylinder liner combines all the necessary features for efficient function in demanding applications. This OEM spare part ensures that your existing engines work perfectly in harmony and operate reliably. It is ideally suited for marine and stationary applications as well as locomotives.
Function and benefits
The crankcase forms the lower part of the engine block and serves as a rigid frame to support the crankshaft and related components. It also acts as a reservoir for engine oil and plays a role in oil circulation and pressure regulation. The benefits of a well-designed engine crankcase include:
- Secure housing for the crankshaft and main bearings
- Efficient oil management and cooling
- Structural rigidity to minimize vibration and distortion
In high-load applications, every crankcase part must meet strict tolerances to ensure consistent engine function and resistance to thermal stress.
Crankcase parts and configurations
Typical crankcase parts include crankcase covers, inspection plates, oil pans, breather systems and seals. Depending on engine design, the crankcase may be split into upper and lower sections or cast as a single integrated housing. In marine and industrial engines, crankcases are built for maximum durability under long operating cycles and demanding conditions.
A replacement crankcase part must always be matched to the engine model and specification to maintain proper fit, alignment and lubrication function. This applies especially to high-performance systems where crankcase integrity is essential.
Materials and availability
Engine crankcases are typically made of cast iron or aluminum alloys, offering strength, vibration damping and corrosion resistance. While cast iron provides durability under load, aluminum offers weight savings and better heat dissipation. Our range includes crankcase parts suitable for MTU, Deutz, MAN, Volvo Penta and MWM engines – always in OEM-compatible quality and with fast availability from local stock.
FAQ
What is the engine crankcase?
The engine crankcase is the lower section of the engine block that houses the crankshaft and associated components. It provides structural support, contains the engine oil, and helps manage internal pressure and lubrication.
What causes crankcase damage?
Crankcase damage can result from oil contamination, overheating, vibration fatigue, or incorrect installation of crankcase parts. Cracks, leaks or deformation are signs that components may need inspection or replacement.
Can crankcase parts be replaced individually?
Yes, many crankcase parts such as covers, seals, or breather elements can be replaced without removing the entire crankcase. However, critical damage to the main housing usually requires engine disassembly and precise matching of the replacement part.