Atf-1A. ACDelco Automatic Transmission Fluid Type is built to protect and extend the life of automatic transmissions. It provides smooth shift performance and excellent protection against corrosion and wear. Includes: Good frictional characteristics and wear protection help provide maximum cold temperature performance, excellent friction retention, and smooth shifting. High oxidation resistance helps with rust and corrosion as well as fluid change intervals. Wide range of seal compatibility – can be used in an extensive variety of vehicles/transmissions. Meets requirements for foam protection and helps protect against metal-to-metal friction and wear within the transmissions. *By request/order.