The 1986-91 Cadillac Seville Left Rear Door Lock Module without Ajar Switch 20726191 is a genuine General Motors part designed for the interior lock system of the Cadillac Seville. This module includes the door handle, lock, and latch components for the specified vehicle model years. It is a reliable OE/OEM part that ensures proper functionality and security for the left rear door of the Cadillac Seville. Door Ajar switch sold separately.