Fits USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6); 2nd Designor Cutaway Van; 139.0" Wheelbase or 159.0" Wheelbase; USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6),Active Brake Control (JL4),Single Rear Wheel (R04); 2nd Design
4.8L V8
2017
Fits USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6); 2nd Designor Cutaway Van; 139.0" Wheelbase or 159.0" Wheelbase; USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6),Active Brake Control (JL4),Single Rear Wheel (R04); 2nd Design
6.0L V8
2017
Fits USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6); 2nd Designor Cutaway Van; 139.0" Wheelbase or 159.0" Wheelbase; USE ON VINS 1GAWGFFFXH1111223 AND AFTER; Exc. Positraction Limited-Slip Rear Axle (G80); 3.42 Rear Axle Ratio (GU6),Active Brake Control (JL4),Single Rear Wheel (R04); 2nd Design
SILVERADO 1500
5.3L V8
2020
High Country or LT Model or LT Trail Boss or LTZ Model or RST Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5),ENGINEERING YEAR 2021 (J21)
2021
High Country or LT Model or LT Trail Boss or LTZ Model or RST Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5),CHEVROLET LTD /G.M.C. LIMITED (J21)
2022
Silverado 1500 Base Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5),NON CHEVROLET LTD / NON G.M.C. LIMITED (J22)
2023
Custom or Custom Trail Boss or High Country or LT Model or LT Trail Boss or LTZ Model or PPV Model or RST Model or WT Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5)
2024
Base Model or Custom Trail Boss or High Country or LT Model or LT Trail Boss or LTZ Model or PPV Model or RST Model or WT Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5)
AT4 Model or Denali or Elevation or SLE Model or SLT Model; Exc. Positraction Limited-Slip Rear Axle (G80),Enhanced Towing Performance Package (NHT); 3.23 Rear Axle Ratio (GU5),ENGINEERING YEAR 2021 (J21)