The Jaguar 3.4 / 3.8 S Type, produced between 1963 and 1968, represents a significant chapter in Jaguar's legacy of performance and luxury. As a sporting saloon, it offered a compelling blend of elegance and dynamic capability, powered by the renowned Jaguar XK inline-six engine in 3.4-liter or 3.8-liter configurations. This model was engineered to deliver spirited performance, with disc brakes on all four wheels and a choice of a Moss 4-speed manual or Borg-Warner automatic transmission, reflecting the automotive technology and luxury aspirations of its era. Its design and engineering embody Jaguar's commitment to creating vehicles that are both visually striking and engaging to drive, appealing to enthusiasts and discerning owners.

This comprehensive Parts Catalogue and Illustrated Parts List is specifically designed to support the maintenance and repair of the Jaguar 3.4 / 3.8 S Type, focusing on its engine and associated systems. It covers critical components of the engine assembly, cooling system, lubrication system, fuel system, and ignition system, providing detailed exploded views and unique part numbers essential for accurate identification and ordering. The manual's primary purpose is to assist Jaguar enthusiasts, classic car owners, and specialist mechanics in maintaining the integrity and performance of these vehicles, facilitating cost-effective repairs and ensuring the longevity of this iconic model by enabling precise part sourcing.