ACDelco 179-1305 Disc Brake Caliper Bolt
for 1991 GMC P3500

GMC P3500

3.9L l4 Diesel OHV Turbo,
4.3L V6 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV,
7.4L V8 Gas OHV

Front 7/16-20 UNF2A X 3.97, 1.89 THD, SERMAGARD COATED
PWR BRK SYS(JB7), HYD PWR DISC/Drum Brk(JD7)
4 Per Vehicle