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:
OIL SUMP recondit. - 51058015512RECON suitable for MAN D engines
Quality Features of Oil Sump ReconditDiscover our Oil Sump Recondit (comparison number: 51058015512RECON). This product is specifically designed to meet the demands of your engines. The OEM spare part offers excellent fit and durability.Suitable for MAN D EnginesOur product is perfectly suited for MAN D engines and provides unmatched performance. With the comparison number 51058015512RECON, we ensure that your applications operate efficiently.
- 51058010229 suitable for MAN D engines
Oil Sump: Your Reliable Replacement PartDiscover our oil sump with the comparison number 51058010229, a premium OEM replacement part specifically designed for crankcase parts. This product is suitable for MAN D engines and ensures optimal functionality of your machines.
CYLINDER LINER - 51012010549 suitable for MAN D engines
Precision Cylinder Liner for Your NeedsDiscover the cylinder liner with the comparison number 51012010549, a crucial OEM spare part compatible with MAN D engines. This product impresses with excellent quality and careful craftsmanship to ensure optimal performance.Suitable for MAN D EnginesOur cylinder liner is precisely designed for MAN D engines and offers you the reliability you expect from high standards. This OEM spare part is part of our extensive product range focused on engine parts.
CYLINDER LINER - 51012010536 suitable for MAN D engines
Cylinder liner suitable for MAN D enginesDiscover the cylinder liner with the comparison number 51012010536, an essential OEM spare part, suitable for MAN D engines. This product ensures top performance and reliability in various applications due to its precise fit.Quality and reliability in focusOur cylinder liner, developed to the highest standards, ensures that your engines operate efficiently. The comparison number 51012010536 designates an OEM spare part known for its durability in the industry, catering to the specific requirements of MAN D engines.
CYLINDER LINER - 51012010528 suitable for MAN D engines
Cylinder liner suitable for MAN D enginesDiscover the cylinder liner with the comparison number 51012010528, an OEM replacement part specifically designed for MAN D engines. These crankcase parts ensure an excellent fit and performance, which is crucial for the reliability of your engines.Precision and quality for enginesOur cylinder liner offers quality that only OEM replacement parts can provide. With the comparison number 51012010528, you are investing in a product that meets high standards and is designed for durability. This keeps your engine efficient and powerful.
CYLINDER LINER - 20 0402 28480 suitable for MAN D engines
Cylinder liner suitable for MAN D enginesDiscover the cylinder liner with the comparison number 20 0402 28480, an indispensable OEM replacement part that offers optimal performance and efficiency for your engines. This cylinder liner has been specifically designed to meet the requirements of engines, providing you with stability and durability. Weighing 6.34 kg, this product is ideal for maritime and stationary use.
CRANKCASE - 51011006277 suitable for MAN D engines
Discover the Crankcase - Comparison Number 51011006277 The crankcase with the comparison number 51011006277 is a top-quality OEM replacement part specifically designed for the demands of marine and stationary applications. The precise fit ensures optimal engine performance and excellent functionality.
CYLINDER LINER - 478140 suitable for Volvo/Volvo Penta engines
Premium Cylinder Liner for EnginesDiscover the product, the cylinder liner with the comparison number 478140. This OEM replacement part is essential for the reliable function of your engines. The cylinder liner is suitable for Volvo/Volvo Penta engines and impresses with precise fit and top-notch quality.Excellent Quality for Your EnginesThe comparison number 478140 represents an OEM replacement part that meets the highest standards. Our cylinder liner is designed for Volvo/Volvo Penta, ensuring that your engines run optimally. Rely on the durability and robustness of our products to maximize the performance of your engines.
OIL SUMP - 4440101713 suitable for MTU engines
Oil sump compatible with MTU enginesDiscover our oil sump with the comparison number 4440101713, a replacement part specifically designed to optimize the performance of your engines. This product is essential for anyone who values quality and relies on replacement parts from manufacturers.Precision for marine and stationary enginesOur oil sump is precisely designed and compatible with MTU engines. These replacement parts offer excellent functionality, essential for marine and stationary applications. Compared to aftermarket alternatives, our products provide the best quality and durability for your engines.
CRANKCASE - 4040103108 suitable for MTU engines
Excellent Crankcase for MTU EnginesDiscover the crankcase (comparison number: 4040103108), a top-quality OEM replacement part designed for MTU engines. This product meets the highest quality standards and ensures optimal functionality for your engines.
OIL SUMP - 4040102413 suitable for MTU engines
Premium Oil Sump Suitable for MTU EnginesDiscover our oil sump spare part with the comparison number 4040102413, which is perfectly suitable for MTU engines. This OEM spare part offers the highest quality and durability, as it comes directly from original equipment manufacturers. Rely on precision for optimal engine performance.
CRANKCASE - 4040100408 suitable for MTU engines
Precise Crankcase: Comparison Number 4040100408Discover the crankcase with comparison number 4040100408, an OEM replacement part designed specifically for the needs of engines suitable for MTU. This product combines precision and quality to ensure optimal performance in demanding applications.
CYLINDER LINER - 275069 suitable for Volvo/Volvo Penta engines
Premium Cylinder Liner with Comparison Number 275069 Discover our OEM spare part: the cylinder liner with comparison number 275069. This product is suitable for Volvo/Volvo Penta engines and stands out for its high quality and precision. As a crankcase part, it is an essential component for optimal engine performance.Reliable OEM Spare Parts from MOPA Our cylinder liner is a top-tier OEM spare part specifically designed to meet your needs. We offer these components suitable for Volvo/Volvo Penta engines, providing perfect fit and function. Rely on our long-standing experience in supplying spare parts.
OIL SUMP - 23540049 suitable for MTU engines
Oil sump (Comparison number: 23540049) for your enginesDiscover the oil sump (Comparison number: 23540049), an important OEM replacement part that is specifically designed for your engines. This product impresses with its excellent fit and functionality.Functional solution suitable for MTU enginesThe oil sump with the comparison number 23540049 is suitable for MTU engines and offers seamless integration. Rely on the quality that characterizes OEM replacement parts.
CYLINDER LINER - 23525733 suitable for MTU engines
Cylinder Liner – Precision for Your EnginesDiscover the cylinder liner, also known by the comparison number 23525733. This OEM replacement part offers an optimal solution for your engines. It is designed for use with MTU engines and ensures high functionality.Suitable for MTU Engines – Quality That ConvictsThis cylinder liner is perfectly suited to support the performance of engines compatible with MTU. As an OEM replacement part, it is superior compared to aftermarket options and ensures durability and consistent performance.
OIL SUMP - 23371154 suitable for Volvo/Volvo Penta engines
OIL SUMP with the comparison number 23371154 suitable for Volvo/Volvo Penta engines
CYLINDER LINER - 22256748 suitable for Volvo/Volvo Penta engines
Cylinder Liner for Your EnginesDiscover the cylinder liner with the comparison number 22256748, an essential crankcase part for your Volvo/Volvo Penta engines. This cylinder liner is specifically designed to function optimally and maximize the performance of your engines.Quality Assurance through OEM Replacement PartsOur product with the comparison number 22256748 not only offers a perfect fit for Volvo/Volvo Penta engines but also the quality you can expect from OEM replacement parts. This cylinder liner ensures long-term usability under demanding conditions.
OIL SUMP - 136E17821 suitable for MTU engines
Precise Oil Sump for Efficient EnginesDiscover our oil sump (comparison number: 136E17821), an important OEM spare part, suitable for MTU engines. This oil sump ensures excellent lubrication and supports the performance of your engines.
CRANKCASE END COVER - 136A19741 suitable for MTU engines
First-Class OEM Replacement Part for Your Engine ApplicationsThe crankcase end cover with the comparison number 136A19741 is an essential OEM replacement part, custom-made for use in engines compatible with MTU. This product belongs to the category of crankcase parts and offers reliable performance and longevity for applications in marine and stationary fields.Quality Through Internal ControlOur internal control mechanisms ensure that all OEM replacement parts, including the crankcase end cover, meet the highest quality standards. With the comparison number 136A19741, you can rely on this product to optimally support the performance of your engines compatible with MTU and meet all requirements.
INLET NECK - 135L36721 suitable for MTU engines
Premium Inlet Neck Suitable for MTU EnginesDiscover the inlet neck, part number 135L36721, an essential OEM replacement part that is optimally suited for the requirements of your MTU engines. As part of our product group crankcase parts, you will receive a tailored product that fits perfectly and enhances the efficiency of your engines.
CRANKCASE END COVER - 135A20502 suitable for MTU engines
OEM Spare Part: Crankcase End Cover for MTU EnginesDiscover our spare part, the crankcase end cover (comparison number: 135A20502). This OEM spare part offers you excellent fit and is ideally suited for MTU engines. With this product, you ensure the efficiency of your engines and enhance their lifespan.
CRANKCASE END COVER - 135A19752 suitable for MTU engines
Quality Replacement Part: Crankcase End CoverDiscover our quality product, the crankcase end cover with the comparison number 135A19752. This OEM replacement part is suitable for MTU engines and belongs to the category of crankcase parts. With this comparison number, you can rely on a selection of reliable engine components that are suitable for demanding applications.Precision for Reliable OperationThe crankcase end cover ensures optimal sealing and effectively prevents oil leakage. This significantly promotes the longevity of your engine. Our OEM replacement parts provide the quality and precision you need for the safe operation of your machines.
CRANKCASE END COVER - 135A19751 suitable for MTU engines
Reliable OEM Replacement Part for EnginesThe crankcase end cover with the comparison number 135A19751 is a reliable OEM replacement part specifically designed for use in crankcase parts. This product offers the perfect solution for maintenance and repair work on engines. Its precise manufacturing ensures that the crankcase end cover has an optimal fit and secures the functionality of your engines.
CYLINDER LINER - 135A15541 suitable for MTU engines
Cylinder liner with comparison number 135A15541 Discover the cylinder liner, an OEM replacement part with the comparison number 135A15541. This product ensures optimal performance and longevity, especially designed for engines used in demanding environments.Cylinder liner - compatible solution for MTU engines The OEM replacement part is compatible with MTU engines and impresses with its precise fit. Rely on our years of experience in providing effective engine components and enjoy the assurance that comes with a high-quality component.
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.