Description

The product is a NOS (New Old Stock) TH400 kickdown switch manufactured by GM, specifically for Buick, Oldsmobile, and Chevrolet vehicles from 1967 to 1973. The part number is 3986863, and it is a vintage car part made in the United States. This switch is designed to work with the Turbo-Hydramatic 400 (TH400) transmission to control the downshifting function, providing a genuine and authentic component for classic car restoration projects.