ZYN3797 Features: * Fill adapter * Same as Ford No. 307-437 * Operating instructions: remove fill plug from transmission, install No.OTC6604, fill transmission to correct fluid level, remove No. OTC6604 and reinstall fill plug in transmission Specifications: * Required tool to fill or add fluid to the 5R55W automatic transmission used on 2003 and newer ford fxplorers Dimensions: * Dimensions: 1.8"" H x 5.7"" W x 8.3"" D