This comprehensive Illustrated Parts Catalog (PC-306-3) provides a complete parts listing for the Textron Lycoming O-360-A4N Wide Cylinder Flange Crankcase model aircraft engines. The manual is designed with clarity and ease of use in mind, making it accessible to a wide range of users. It includes detailed illustrations and descriptions for each part, ensuring you can quickly identify and locate the specific components you need. You can efficiently find the information you require thanks to the manual's intuitive bookmarking feature, which allows you to instantly navigate to the relevant page by simply clicking on the bookmark. Furthermore, the manual's searchability function enables you to locate specific parts or information by typing in your search term, streamlining your search process.

The Lycoming O-360-A4N is a renowned and widely used horizontally opposed, air-cooled, four-cylinder aircraft engine, produced by Lycoming Engines, a subsidiary of Textron. Renowned for its reliability and durability, the O-360 series has been a mainstay in general aviation since its introduction in the 1950s. The A4N variant, specifically, is known for its fuel-injected system, delivering consistent performance across various altitudes and atmospheric conditions, making it a popular choice for a wide range of aircraft. With a displacement of 360 cubic inches (5.9 liters), the O-360-A4N generates a maximum power output of 200 horsepower at 2,700 RPM. The engine's design incorporates a robust crankshaft, precision-machined cylinders, and a durable valve train engineered for long service life. The engine's fuel-injected system, coupled with its efficient combustion chamber design, contributes to its exceptional fuel economy. Additionally, the O-360-A4N features a direct-drive propeller system, eliminating the need for a gearbox, resulting in reduced weight and increased efficiency. The engine's robust construction and high-quality materials ensure reliable performance even under demanding operating conditions. The O-360-A4N finds its place powering a diverse range of aircraft, including single-engine trainers, recreational aircraft, and even some light utility aircraft, showcasing its versatility and adaptability. Its reliability and performance have made it a popular choice for pilots and aircraft owners who value dependability and smooth operation.