2 products about 1991 GMC C3500 Rocker Panels & Floors foundVEHICLE SPECIFIC Product Specifications Notes: Standard Cab Other Names: Floor Pan Item Weight: 69.10 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC C3500 Panel Asm-Floor More Info Vehicle Fitment 1991 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: Extended Cab Other Names: Floor Pan Fitment Type: Direct Replacement Part Description: 1991 GMC C3500 PANEL, Floor And Toe Panel More Info Vehicle Fitment 1991 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS