Differential Screw for MACK Replaces # 6AX1309X CRDPC 92/112 CRDP 200/203 & T2070 B & D/ T2080/ T2080B/ T2090/ T2100 for MACK Replaces # 6AX1309X 3/8in-16 x 1-1/2in & Use FULX-8L-602