ACDelco 173-116 Drum Brake Wheel Cylinder Repair Kit
for 1991 GMC G3500

GMC G3500

4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Rear 1 1/16' DIA
BRAKE SYSTEM,VACUUM POWER DISC,DRUM (JB7), BRAKE SYSTEM,HYDRAULIC POWER DISC,DRUM(DIESEL ENGINE)(ROTOR=12.5X1.28,REAR BRAKE SHOE=13X2.5) (JD7)
W/13 X 2.50 & 13 X 3.50 BRKS

1 Per Vehicle