This manual covers Lucas CAV aftermarket parts, specifically detailing components such as alternators, starter motors, switch gear, and turbochargers. It provides comprehensive aftermarket parts breakdowns with exploded view drawings for every nut and bolt, offering detailed information on numerous models including AC5, AC7, A172R, AB172R, AC203, CA45, S115, S130, S152, SL5, BS6, SP6, U6, and various turbocharger types. This trade-issue document, originating from 1990 microfiche, is exceptionally rare and includes unique details like notes and wear rating indexes for specific starter models. The purpose of this English-language manual is to serve as an authoritative reference for identifying, maintaining, and repairing Lucas CAV components. It features a two-page part number index per section, derived from microfiche, and includes specific notes and diagrams for rare items like turbochargers and certain starter motors. This manual is an indispensable resource for technicians and parts specialists, providing the detailed technical information necessary to ensure the proper functioning and longevity of the covered equipment.