3.7 LITER. Lower. Lwr trans mount bolt. M12x90mm. PartQualifier: M12x90mm. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Differential Housing to it's Mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Engine Torque Strut to it's Mounting point. Automatic Transmission Mount Bolt. and Washer Assembly. and Washer Assembly - HEX. HEAD. Automatic Transmission. Bushing. Damper. Differential Housing. Engine Torque Rod. Torque arm.