- 2015–2017, 2019, 2021–2022 Factory-verified
2015–2016: Canyon, SLE, SLT: O; SL: not offered; 2021 from the upfitter list GM files for 2021 and 2022
VZX Factory-verified
Also described as LPO, bedliner, drop-in, with tailgate linerLPO, bed linerLPO, BedlinerLPO, Bed liner
Also documented for Chevrolet
Documented applications
- 2027 Factory-verified
Pro, Elevation 3SB: O (ADI available); Elevation 3VL, AT4, AT4X, Denali, Denali Ultimate: not offered; dealer-installed
- 2014 Factory-verified
dealer-installed
- 2015, 2018–2019 Factory-verified
dealer-installed; 2015 marks: Sierra, SLE, SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: GM's 2019 Sierra 3500HD order guide
- 2014, 2016–2019 Factory-verified
- 2019–2020, 2022–2026 Factory-verified
This page aggregates every documented appearance of VZX in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.