LYCOMING 74118 Crankcase O235 L2C 8130-3

( Brand: Lycoming ), ( Manufacturer Part Number: 74118 )

Review LYCOMING L2c Crankcase

The Lycoming 74118 O-235-L2C crankcase is a vital component of the Lycoming O-235 series engine, which is widely used in various light aircraft and experimental aviation projects. This crankcase, specifically the 8130-3 variant, is engineered to provide robust and reliable power while ensuring efficient operation.

The Lycoming 74118 crankcase is manufactured from high-strength aluminum alloy, ensuring that it is both lightweight and durable. Its precision machining ensures a perfect fit with other engine components and provides a flat, true surface for the engine's crankshaft to rotate, enabling smooth and consistent power delivery.

The crankcase features a wet sump oil system that ensures the engine's vital components are continuously lubricated. The oil system includes an oil pump and an oil pickup, which are integrated into the crankcase design. The oil pump delivers pressurized oil to the engine's vital components, while the oil pickup draws oil from the crankcase for circulation.

The Lycoming 74118 O-235-L2C crankcase also includes provisions for engine mounting. The engine mounting points are strategically placed to ensure a solid and stable mounting of the engine in the aircraft, minimizing vibration and providing a comfortable flying experience.

Additionally, the crankcase includes various drain plugs to facilitate easy oil changes and maintenance. The crankcase's design allows for easy access to these plugs, making regular maintenance a straightforward process.

In summary, the Lycoming 74118 O-235-L2C crankcase is a critical component of the Lycoming O-235 series engine. Its high-strength aluminum alloy construction, wet sump oil system, engine mounting provisions, and easy-to-access drain plugs make it a reliable and efficient choice for powering light aircraft and experimental aviation projects.

The Lycoming 74118 O-235-L2C crankcase (part number 8130-3) is a crucial component of the Lycoming O-235 engine, which is commonly used in various light aircraft. Replacing a crankcase can be a significant investment, so it's essential to consider the pros and cons before making a purchase.

1. Improved Engine Performance: A new crankcase can help improve engine performance by ensuring a tight seal, reducing oil leaks, and preventing contamination.

2. Enhanced Durability: A new crankcase is more durable than a worn-out one. It can withstand the engine's operating pressures and temperatures, preventing potential cracks or failures.

3. Increased Safety: A faulty crankcase can lead to engine damage, which can compromise the safety of the aircraft. Replacing a worn-out crankcase can help prevent potential accidents.

4. Better Fuel Efficiency: A well-maintained engine, including a new crankcase, can help improve fuel efficiency by reducing engine wear and improving combustion efficiency.

1. Cost: Replacing a crankcase can be an expensive investment, especially for older aircraft or engines that require frequent maintenance.

2. Labor Costs: Installing a new crankcase requires specialized labor, which can add to the overall cost of the repair.

3. Downtime: Installing a new crankcase can take several hours, which can result in significant downtime for the aircraft.

4. Availability: Depending on the availability of the specific crankcase model, it may take some time to source and receive the part.

In conclusion, while replacing a Lycoming 74118 O-235-L2C crankcase (part number 8130-3) can be a costly investment, the benefits of improved engine performance, enhanced durability, increased safety, and better fuel efficiency make it a worthwhile one. Additionally, regular maintenance of the engine can help prevent the need for frequent crankcase replacements and reduce overall maintenance costs.

Based on the information provided, I would recommend considering the long-term benefits of a new crankcase and factoring in the potential cost savings from improved engine performance and safety when making a decision. It's also essential to ensure that you source the part from a reputable supplier to ensure its quality and availability.

Details:

The O235 L2C Crankcase with 8130-3 is a hard to find high-quality aviation part manufactured by Lycoming specifically for engines. Case was Cycle tested, casting number 74118.

part #: 74118 prices

• $350.00-$551.00

specifications aviationpar:

• brand: Lycoming
• mpn: 74118

returns aviationpar:

• policy: No Returns

general aviationpar:

• condition: Remanufactured
• Parts Accessories > Aviation Parts Accessories > Parts

seller aviationpar:

• # reviews: 23
• city: North Las Vegas, Nevada
• rating: 100.0%

offer aviationpar:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: November 10, 2025
• sold: 0
• best offers: True

payments aviationpar:

• wallet: Paypal
• credit card: Mastercard
• other

shipping aviationpar:

• type: Calculated
• class: Standard
• transit: 7-10 Days
• cost: $68.43
• service: USPS Ground Advantage
• carrier: USPS

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