TT: The Tacoma BD20 Rear Differential has two active part numbers for the fasteners that attach the differential carrier to the axle housing. Vehicles Equipped with BD20 Differential: - Tacoma 4x4 ? 4 cylinder ? Automatic Transmission - Tacoma 4x4 ? 6 cylinder ? Automatic Transmission - Tacoma PreRunner. There are 10 fasteners on the BD20 differential (12mm fastener / 8 mm stud).
The fastener part numbers are 90170-08042 & 90170-08036. There are two different torque values for these fasteners: ? 90170-08042 ? 18 ft. lbs. {25 N?m, 255 kgf?cm} ? 90170-08036 ? 28 ft. lbs. {37 N?m, 378 kgf?cm} Vehicles produced between 8/2015 through 5/12/2017 should be equipped with 90170-08042. Vehicles produced 5/18/2017 and after should be equipped with 90170-08036.
