Reproduction horn cap for the center of the steering wheel on various 1978-91 GMC truck models with NK3/N31 Custom steering wheel option. Each cap is manufactured in injection molded plastic covered with a leather grain vinyl material and finished with a brushed aluminum and black accent piece that is stamped with the GMC wording beneath a clear plastic lens. Officially licensed by General Motors. Replaces GM part #s 9761178 17987492. Fits GM part # 9760817 steering wheel.