Trailer Brake Control Controller Switch for 2014-2019 GM Chevy Chevrolet Silverado GMC Sierra 1500 2500HD 3500HD Trailer Brake Controller for 2014-2019 Chevrolet Silverado GMC Sierra 1500 2500HD 3500HD 4.3L 5.3L 6.0L 6.2L 6.6L Part Number: 84109447, 22822677, 23176401, 23476237 No Programming Required Brake Controller Material: ABS plastic