1991 GMC R1500 Suburban equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV | 1 | Front | w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum) w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) w/RPO Code JB5 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) w/RPO Code JD3 (Power Brakes, Hydraulically Boosted, Front Disc, Rear Drum) w/RPO Code JD5 (Power Brakes, Hydraulically Boosted, Front Disc, Rear Drum)
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1991 GMC R1500 Suburban equipped with 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV
Front
w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum) w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) w/RPO Code JB5 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) w/RPO Code JD3 (Power Brakes, Hydraulically Boosted, Front Disc, Rear Drum) w/RPO Code JD5 (Power Brakes, Hydraulically Boosted, Front Disc, Rear Drum)
1 Per Vehicle
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