Welcome to Proper Parts

We design, manufacture, and refurbish high quality aftermarket auto parts: POWER SEAT & MIRROR ECU CONTROL MODULES, POWER SEAT TRANSMISSIONS / GEARBOXES and POWER SEAT MOTORS for several models & years of Rolls-Royce, Bentley, Range Rover Classic, and GM Cadillac, Chevrolet, Pontiac, Oldsmobile, and GMC. We've been building "better than new since 2006."