Skip to main content Skip to search Skip to main navigation

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.

Filter products

FLANGED COVER - 51095030006 suitable for MAN D-engines

FLANGED COVER - 51095030006 suitable for MAN D-engines

Flanged cover – Premium replacement part in professional qualityDiscover our flanged cover, comparison number 51095030006, suitable for MAN D engines. This replacement part is part of the crankcase parts and is particularly well-suited for demanding applications. With a weight of 0.65 kg, it offers stability and is optimally tailored to the needs of your engines.Reliable OEM replacement parts for your engineThe comparison number 51095030006 identifies this top-quality OEM replacement part, developed for manufacturers like MAN, MWM, and Mercedes-Benz. The flanged cover ensures flawless functionality of your engines while you can rely on the quality and supply of our products.

FLANGED COVER - 51095030005 suitable for MAN D-engines

FLANGED COVER - 51095030005 suitable for MAN D-engines

Efficient Spare Part: Flanged CoverDiscover our flanged cover with the comparison number 51095030005. This product from the category of crankcase parts impresses with precise craftsmanship and a durable design. It has been developed to meet specific requirements and contributes to the high functionality of your diesel and gas engines.Suitable for MAN D EnginesOur flanged cover is specifically suitable for engines that are compatible with MAN D. By using OEM spare parts, we ensure that the quality and fit of the flanged cover meet the highest standards. This ensures efficient performance and reduces follow-up costs without compromising on quality.

FLANGED COVER - 51095030004 suitable for MAN D-engines

FLANGED COVER - 51095030004 suitable for MAN D-engines

Flanged cover with comparison number 51095030004Discover the flanged cover with comparison number 51095030004, suitable for MAN D engines. Crafted from durable materials and weighing 2.84 kg, this product provides the stability and longevity you need for demanding engine applications. Rely on quality through careful workmanship that meets all professional maintenance needs.Exceptional performance through OEM spare partsThe flanged cover is a top-quality OEM spare part designed for the highest standards. With this comparison number 51095030004, you meet the requirements that modern industry places on engines. Additionally, our spare parts suitable for MAN D engines provide reliable performance and an optimal price-performance ratio.

FLANGED COVER - 51095030003 suitable for MAN D-engines

FLANGED COVER - 51095030003 suitable for MAN D-engines

Flanged Cover with Comparison Number 51095030003Experience the flanged cover with comparison number 51095030003, an essential component for the perfect function of engines. This OEM spare part belongs to the group of crankcase parts and is suitable for MAN D engines. Weighing 1.71 kg, it provides both robustness and reliability in all applications, whether in marine or stationary use.Quality for MAN D EnginesThe quality of the flanged cover ensures optimal performance of your machines. Every OEM spare part meets strict standards and fulfills the requirements of our B2B customers. Rely on parts from manufacturers designed for long durability. Our range includes over 1 million spare parts, so you can always find the best solution.

FLANGED COVER - 51082140002 suitable for MAN D-engines

FLANGED COVER - 51082140002 suitable for MAN D-engines

Robust Flanged Cover at the Top of the ListDiscover our flanged cover, listed under comparison number 51082140002, specifically designed for the MAN D engine series. This item from the crankcase parts group impresses with its quality and ensures optimal sealing. Weighing 1.09 kg, this flanged cover meets the challenges of demanding applications and contributes to the efficiency and longevity of your engine.

INLET NECK - 51063010283 suitable for MAN D-engines

INLET NECK - 51063010283 suitable for MAN D-engines

Excellent OEM Replacement Part: Inlet NeckDiscover our reliable product, the Inlet Neck with the comparison number 51063010283. This OEM replacement part belongs to the category Crankcase parts and offers excellent functionality for your engines. Weighing 0.535 kg, it is characterized by easy handling and high robustness.

Discount
OIL SUMP - 51058400091 suitable for MAN D-engines

OIL SUMP - 51058400091 suitable for MAN D-engines

Optimal Product: Oil Sump OEM Spare PartDiscover the oil sump with the comparison number 51058400091, a reliable OEM spare part that ensures long-lasting performance. This oil sump has been designed to meet the high demands in stationary applications and marine use.

Sale price: €25.90Regular price:€28.78(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058400090 suitable for MAN D-engines

OIL SUMP - 51058400090 suitable for MAN D-engines

Precise Replacement Part: Oil Sump with Comparison Number 51058400090 Discover the oil sump compatible with MAN D engines with the comparison number 51058400090. This essential OEM replacement part ensures smooth operation and secures the durability of your aggregates. Coolant changes, maintenance, or replacement – this oil sump plays a crucial role in maximizing the efficiency of the entire system.

Sale price: €5.37Regular price:€5.97(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058400072 suitable for MAN D-engines

OIL SUMP - 51058400072 suitable for MAN D-engines

OEM Replacement Part – Oil Sump Compatible with MAN D EnginesDiscover the Oil Sump, a top-quality OEM replacement part compatible with MAN D engines that offers you protection and durability. With the comparison number 51058400072, this product is part of the Crankcase parts. It weighs only 0.05 kg and is easy to handle without compromising stability.Efficiency and Safety for Your EnginesThe Oil Sump plays a crucial role in the safety of your engine operations. By using this OEM replacement part, you minimize the risk of engine damage and extend the lifespan of your engines. Every detail of the Oil Sump has been thoroughly checked to meet the demands placed on marine and stationary applications.

Sale price: €5.37Regular price:€5.97(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
OIL FILLER NECK - 51058075077 suitable for MAN D-engines

OIL FILLER NECK - 51058075077 suitable for MAN D-engines

Oil Filler Neck for MAN D Engines in FocusDiscover the oil filler neck, comparison number 51058075077, a must-have for engines used in marine and stationary applications. This replacement part offers you the highest quality and durability, ideal for your technical applications.Excellent OEM Replacement Parts for Optimal PerformanceThe oil filler neck is a product manufactured to the highest standards, designed to fit MAN D engines. Every OEM replacement part is carefully inspected before shipment according to our internal controls to ensure that you receive only the best.

Discount
OIL FILLER NECK - 51058075075 suitable for MAN D-engines

OIL FILLER NECK - 51058075075 suitable for MAN D-engines

Top Quality: Oil Filler NeckThis oil filler neck with the reference number 51058075075 is an OEM replacement part specifically designed for MAN D engines. With this precisely fitting component, you ensure the functionality of your engines and maintain a smooth overall operation. Rely on the reliability that this product offers!Tradition and ExpertiseAs a family-run business in its second generation, we have more than 25 years of experience in the field of engine parts. We focus on a wide selection, with over 1 million spare parts in our inventory. Our product range includes high-quality solutions for all requirements related to engines!

Sale price: €465.31Regular price:€517.01(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL FILLER NECK - 51058075068 suitable for MAN D-engines

OIL FILLER NECK - 51058075068 suitable for MAN D-engines

Precise Oil Filler Neck in Focus Discover our product, the oil filler neck, comparison number 51058075068, a replacement part that is perfectly tailored to meet your needs. The spare part impresses with its precise fit and careful workmanship, ensuring maximum reliability.Suitable for MAN D Engines This replacement part is suitable for MAN D engines and will help you optimize the performance and efficiency of your engine. User-friendliness ensures that the filler neck can be installed easily.

Sale price: €102.66Regular price:€114.06(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL FILLER NECK - 51058075053 suitable for MAN D-engines

OIL FILLER NECK - 51058075053 suitable for MAN D-engines

Reliable Oil Filler Neck for Efficient EnginesDiscover the oil filler neck, part number 51058075053, an important OEM replacement part, suitable for MAN D engines. This product is a must-have to optimize performance in demanding applications.Suitable for MAN D Engines – Ensure EfficiencyThe oil filler neck is specifically designed to meet the demands of engines and fits perfectly with MAN D. Rely on the extensive experience with OEM replacement parts that help you optimize your operations.

Sale price: €858.66Regular price:€954.07(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL FILLER NECK - 51058070017 suitable for MAN D-engines

OIL FILLER NECK - 51058070017 suitable for MAN D-engines

High-Quality OEM Replacement Parts for Your EnginesDiscover the oil filler neck, an OEM replacement part specifically designed for MAN D engines. With the comparison number 51058070017, this product belongs to the category of crankcase parts and promotes the necessary oil supply that is essential for your engine's performance.

Sale price: €238.89Regular price:€265.43(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016194 suitable for MAN D-engines

OIL SUMP - 51058016194 suitable for MAN D-engines

Excellent Oil Sump for High-Performance EnginesDiscover our oil sump, part number 51058016194, suitable for MAN D engines. This product, which belongs to the category of crankcase parts, comes with a design that is optimized for functionality and durability.

Sale price: €9,814.66Regular price:€10,905.18(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016185 suitable for MAN D-engines

OIL SUMP - 51058016185 suitable for MAN D-engines

Robust Oil Sump for Diverse ApplicationsDiscover the oil sump with the comparison number 51058016185, a top-quality OEM spare part specifically designed as crankcase parts. This product offers an exact fit and functionality that meets your requirements.

Sale price: €3,394.87Regular price:€3,772.08(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016184 suitable for MAN D-engines

OIL SUMP - 51058016184 suitable for MAN D-engines

Oil sump suitable for MAN D enginesExperience the high-quality oil sump (comparison number: 51058016184), which has been optimally developed for engines suitable for MAN D. This product belongs to the group of crankcase parts and ensures perfect functionality in application scenarios that reliably meet your requirements.Careful internal control of OEM replacement partsAll our products, including the OEM replacement part oil sump, undergo comprehensive internal control. The comparison number 51058016184 ensures that you receive a product specifically suitable for MAN D engines. Trust in the expertise of MOPA Motorparts – your specialist and partner in the field of engines.

Sale price: €5,886.62Regular price:€6,540.69(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016179 suitable for MAN D-engines

OIL SUMP - 51058016179 suitable for MAN D-engines

Oil sump compatible with MAN D enginesDiscover the reliable oil sump OEM replacement part with the comparison number 51058016179. This product is suitable for MAN D engines and is excellently suited for use in the marine and stationary industries. With first-class processing, the oil sump ensures lasting performance.

Sale price: €1,294.84Regular price:€1,438.71(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
OIL SUMP - 51058016172 suitable for MAN D-engines

OIL SUMP - 51058016172 suitable for MAN D-engines

Oil Sump: Your Reliable Replacement Part for EnginesDiscover our oil sump, comparison number 51058016172, compatible with MAN D engines. This high-quality OEM replacement part ensures precise fit and optimizes the functionality of your engine. Trust in our experience in providing products in the field of crankcase parts.

Discount
OIL SUMP - 51058016169 suitable for MAN D-engines

OIL SUMP - 51058016169 suitable for MAN D-engines

Efficient Oil Sump for Various EnginesDiscover our oil sump, equipped with the comparison number 51058016169. This product belongs to the crankcase parts and is an essential component for the maintenance of your engines. The quality of this oil sump ensures that it withstands various operating conditions.

Sale price: €1,381.89Regular price:€1,535.43(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016168 suitable for MAN D-engines

OIL SUMP - 51058016168 suitable for MAN D-engines

Robust Oil Sump – Comparison Number 51058016168Discover the oil sump with comparison number 51058016168, an essential OEM spare part, suitable for MAN D engines. This product supports the optimal function of your engines and meets the highest standards.

Sale price: €641.98Regular price:€713.31(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016167 suitable for MAN D-engines

OIL SUMP - 51058016167 suitable for MAN D-engines

Oil Sump: Ideal for Your RequirementsDiscover the Oil Sump (Comparison number: 51058016167), a top-quality OEM replacement part. This product belongs to the category of Crankcase parts and is perfectly suitable for MAN D engines.Benefits of Using the Oil SumpThis Oil Sump, compatible with MAN D engines, supports the longevity and efficiency of your engines through careful manufacturing techniques with high-quality materials.

Sale price: €854.16Regular price:€949.07(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016152 suitable for MAN D-engines

OIL SUMP - 51058016152 suitable for MAN D-engines

Optimal Oil Sump for Your SolutionsDiscover the oil sump (comparison number 51058016152), an outstanding OEM spare part designed specifically for the quality of compatible components. This product is perfectly suited for various engines and offers you excellent performance.Suitable for MAN D EnginesThis spare part is suitable for MAN D engines, providing an optimal solution for your requirements. By using our components, your engines remain reliable and powerful, regardless of the conditions in which they are used.

Sale price: €1,055.46Regular price:€1,172.73(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Discount
OIL SUMP - 51058016151 suitable for MAN D-engines

OIL SUMP - 51058016151 suitable for MAN D-engines

Excellent Oil Sump for Your Engine's PerformanceDiscover our oil sump, which is optimally suited for MAN D engines. With the comparison number 51058016151, this product makes a valuable contribution to optimizing the operation of your engines.Advantages of OEM Spare PartsOur oil sump is compatible with MAN D engines and provides the safety and precision you need. Compared to aftermarket solutions, our OEM spare parts impress with consistently high quality that is specifically designed for reliable performance.

Sale price: €756.23Regular price:€840.26(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.

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.

Engine crankcase for industrial and marine engines – suitable for MTU, Deutz, MAN, Volvo Penta and MWM – replacement parts

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.

No results.