M939A2 Inner Hub seal (A2 Versions only)

M939A2 Inner Axle Seal (Front Axle) A2 VERSIONS ONLY WONT WORK WITH A0 OR A1 TRUCKS 2 SEALS PER TRUCK (FRONT) 

Rear Hub   Fits  M923A2/M939A2   Part Alternates: A1333Z3536, A1-333-Z-3536, A1333Z3536S, A1-333-Z-3536-S, A3333Z3536, A3-333-Z-3536, A333Z3536, A-333-Z-3536, 2530-01-283-9694

Fits Front And Rear Axles M923A2-M939A2 Series 5 Ton With 8.3 6CTA Cummins   Race for this bearing can be found here.

M900 Series A2 CTIS HUB SEAL WILL NOT WORK ON THE A0 OR A1 VERSIONS  2 Per Axle