Replacement transmission input speed sensor pigtail for the Allison Transmission 1000 2000 Series on MY 2015 2019 GM trucks. Includes two heat sealable butt style connectors. Produced in house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly. Application Notes Mates to GM AC Delco input speed sensor part number 24276402