Welcome to Proper Parts

We design, manufacture, and refurbish high quality aftermarket auto parts for several model years of Rolls-Royce, Bentley, Range Rover Classic, and General Motors Cadillac, Buick, Chevrolet, Pontiac, Oldsmobile, and GMC. We sell Power Seat & Mirror ECU Control Modules, Power Seat Transmissions, and Power Seat Motors. We've built "better than new" since 2006.