Certified Transmission has Jeep owners in need of a new transmission taken care of. Certified Transmission offers remanufactured units for Jeep models that include the Compass, Grand Cherokee, Laredo, Liberty, Pickup, Wagoneer, and Wrangler. The models of Jeep transmissions in Certified Transmission’s inventory includes A518, 45RFE, A500, TF6, TF8, TH400, and 42RLE. A complete list of transmission models is provided below.