2WD differential (assembled with helical gear) Aisin Warner TF-80SC (GM AF40) - 29 splines for axle shaft,

The main reason for premature failure and, as a consequence, replacement of the differential is wear of the right half-axle gear of the satellite, due to the influence of external factors such as water, which causes corrosion.
 

• Total height - 178 mm;
• The outer diameter of the skirt of the helical gear mounting bolts is 162.05 mm;
• The outer diameter of the helical gear seat is 117.95 mm;
• The diameter of the satellite pins is 19 mm;

Half-axle gear:

• Total height of the satellite - 76.60 mm;
• Gear outer diameter - 84.25 mm;
• The diameter of the satellite neck is 40 mm
• Number of splines on the inner side - 29 pcs;