Number:D84257 Description:Bearing, Torrington (NEW) Differential to Extension Housing (with Caged Bearing to Final Drive Type Extension Housing) 91-Up (WHEN OUT BUY BEARING KIT) (2.595" OD X 1.925" ID X .140" THICK) more >>>   (ALSO: 440-T4 Reaction Drum #558 to Final Drive Ring Gear Hub 84-UP) (SOME 4T60E 1-2 drum #559 to final drive ring gear) also OEM 8644206 / 24214159   Price:$24.40