GM Original Equipment
Base Model or SLE Model; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346
2016
GM Original Equipment
Base Model or SLE Model; 61.7" Bed or 74.0" Bed; Fleetside; 128.3" Wheelbase; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346
2017
GM Original Equipment
Base Model or SLE Model; 61.7" Bed or 74.0" Bed; Fleetside; 128.3" Wheelbase; Trans. code 6L50; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346
2018
GM Original Equipment
Base Model or SLE Model; 61.7" Bed or 74.0" Bed; Fleetside; 128.3" Wheelbase; Trans. code 6L50; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346
2019
GM Original Equipment
Fits Base Model or SLE Model; 61.7" Bed or 74.0" Bed; Fleetside; 128.3" Wheelbase; Trans. code 6L50; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)or SL Model; Trans. code 6L50; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346
2020
GM Original Equipment
Fits Base Model or SLE Model; 128.3" Wheelbase; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)or SL Model; 6 speed Automatic trans.; Except Positraction Limited-Slip Rear Axle (G80); 4.10R (GT5)
23490346