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:
CRANKCASE - 51011026368 suitable for MAN D-engines
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CRANKCASE - 51011026367 suitable for MAN D-engines
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CRANKCASE - 51011026365 suitable for MAN D-engines
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CRANKCASE - 51011026364 suitable for MAN D-engines
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CRANKCASE - 51011026362 suitable for MAN D-engines
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CRANKCASE - 51011026356 suitable for MAN D-engines
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CRANKCASE - 51011026355 suitable for MAN D-engines
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CRANKCASE - 51011026353 suitable for MAN D-engines
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CRANKCASE - 51011026347 suitable for MAN D-engines
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CRANKCASE - 51011026336 suitable for MAN D-engines
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CRANKCASE - 51011026320 suitable for MAN D-engines
Crankcase Comparison Number 51011026320Discover the crankcase, comparison number 51011026320, specialized for the needs of your engines. This OEM replacement part ensures high quality and reliability, ideal for extreme operating conditions. It is an excellent component suitable for MAN D engines, weighing 270 kg, and performs effectively even in the most challenging environments.Promoting Engine PerformanceThe comparison number 51011026320 helps you identify the right product, perfect for use in diesel and gas engines. The crankcase has been developed with a focus on performance and longevity to efficiently support your projects. As crankcase parts, they are indispensable when it comes to reliability.
CRANKCASE - 51011026297 suitable for MAN D-engines
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CRANKCASE - 51011026295 suitable for MAN D-engines
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CRANKCASE - 51011026232 suitable for MAN D-engines
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CRANKCASE - 51011026220 suitable for MAN D-engines
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CRANKCASE - 51011026160 suitable for MAN D-engines
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CRANKCASE - 51011026090 suitable for MAN D-engines
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CRANKCASE - 51011026056 suitable for MAN D-engines
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CRANKCASE - 51011026037 suitable for MAN D-engines
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CRANKCASE - 51011026035 suitable for MAN D-engines
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CRANKCASE - 51011026027 suitable for MAN D-engines
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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.