LYCOMING 74709 Aircraft Engines Cylinder Crankshaft

( Brand: Lycoming ), ( Manufacturer Part Number: 74709 ), ( Part Type: Engine Cylinder Crankshaft )

Review LYCOMING Aircraft Engines Cylinder Crankshaft #74709

Lycoming 74709 Aircraft Engine Cylinder Crankshaft - A Superior Component for Unmatched Performance

The Lycoming 74709 Aircraft Engine Cylinder Crankshaft is a high-performance, precision-engineered component designed to deliver unrivaled reliability and efficiency in aviation applications. This crankshaft is a critical part of the Lycoming engine's internal combustion mechanism, responsible for transforming linear motion of the pistons into rotational motion, thereby driving the propeller.

This Lycoming 74709 crankshaft is meticulously crafted from top-tier materials, ensuring it can withstand the rigorous demands of flight. It features a robust design with optimized weight distribution, promoting smooth and efficient power delivery. The crankshaft's journals are precision-machined for a perfect fit with the engine's connecting rods, minimizing friction and maximizing durability.

The Lycoming 74709 crankshaft is also designed with balancing in mind to minimize vibrations and reduce the risk of mechanical failures. The balancing process ensures that the crankshaft rotates evenly, contributing to a smoother flight experience for both pilots and passengers.

Each Lycoming 74709 crankshaft is subjected to rigorous quality control checks to ensure it meets the highest industry standards. These checks include visual inspections, dimensional measurements, and dynamic balancing tests. The end result is a crankshaft that can be trusted to deliver consistent performance under challenging conditions.

In summary, the Lycoming 74709 Aircraft Engine Cylinder Crankshaft is a critical component that plays a vital role in the operation of your aircraft engine. Its robust design, precision engineering, and rigorous quality control make it an ideal choice for those seeking unmatched reliability, performance, and safety in their aircraft.

Analysis of Buying a Lycoming 74709 Aircraft Engine Cylinder Crankshaft

1. Reliability: Lycoming engines are known for their durability and long service life, making the crankshaft a reliable choice for aircraft maintenance.

2. Availability: The Lycoming 74709 is a widely used engine, and its components, including the crankshaft, are readily available from various sources, ensuring timely replacement.

3. Quality: Lycoming is a well-established manufacturer with a reputation for producing high-quality parts, which can contribute to the overall performance and safety of your aircraft.

1. Cost: The Lycoming 74709 crankshaft can be quite expensive, which might be a significant barrier for some users, especially those operating on a tight budget.

2. Expertise: Installing a crankshaft requires specialized knowledge and tools, so it may not be a DIY project for most individuals. This could lead to additional costs for professional installation.

3. Fit and Compatibility: Ensure that the crankshaft you purchase is compatible with the specific aircraft model and engine configuration to avoid potential issues during installation.

While the Lycoming 74709 aircraft engine cylinder crankshaft offers the benefits of reliability, availability, and quality, its high cost, expertise required for installation, and potential fit and compatibility issues are important considerations. If you prioritize long-term performance and safety, and have the necessary resources, the Lycoming crankshaft could be a sound investment. However, careful research, comparison shopping, and consultation with an aviation expert are recommended to ensure the best decision for your specific needs.

Before making a purchase, gather detailed information about the crankshaft from various sources, compare prices, and consult with aviation professionals to weigh the pros and cons and make an informed decision. Additionally, consider purchasing from a reputable dealer to ensure the authenticity and quality of the part.

Details:

THIS IS A USED LYCOMING 4 CYLINDER CRANKSHAFT #74709. MAIN MEASUREMENTS ARE 1ST 2.265, 2ND 3RD AND 4TH 2.265. PASSED BS530, SB505, AND SB475. ROD MEASUREMENTS ARE 1ST 2.365, 2ND 2.365,3RD AND 4TH 2.365.

part #: 74709 price

• $3500.00

specifications engineaviatio:

• brand: Lycoming
• mpn: 74709
• part type: Engine Cylinder Crankshaft

shipping engineaviatio:

• carrier: USPS
• transit: 6-13 Days
• service: USPS Ground Advantage
• cost: $75.00
• class: Standard
• type: Fixed

returns engineaviatio:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

seller engineaviatio:

• rating: 100.0%
• # reviews: 374
• city: Redlands, California

offer engineaviatio:

• sold: 0
• availability: In Stock
• started: December 21, 2025
• quantity: 1
• options: Ship-to-home
• best offers: True

payments engineaviatio:

• wallet: Apple-pay
• credit card: Diners-club
• other

general engineaviatio:

• Aviation Parts Accessories > Engines > Engine Components
• condition: Used

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