The Vintage Sears Engine Analyzer 12 Volt Model 28 2161 is a classic diagnostic tool for passenger vehicles, featuring an analog display and a variety of accessories such as a user guide, wire probes, and clamps. Manufactured by Sears under part number 161.2161, this engine analyzer is designed to provide accurate analysis of engine performance and diagnose potential issues in 12-volt systems. With its original box and manual included, this analyzer is a valuable addition to any automotive tool and supply collection, offering a nostalgic touch alongside practical functionality for troubleshooting and maintenance tasks.