- 2023, 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD; the 3500 HD list adds "60/40 folding bench"
SNR Factory-verified
Also described as Seat, rear, up-level, with storage package
Also documented for GMC
Documented applications
- 2020, 2022–2026 Factory-verified
This page aggregates every documented appearance of SNR in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.