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; 2018 guide: 1LS, 1LT: O
SQM Factory-verified
Also described as Ship thru, Adrian Steel, Toledo, OH, for orders with spray-on bedliner
Documented applications
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vehicle built in Factory Zero, Hamtramck, shipped to the upfitter and returned to Factory Zero for final shipping; requires CGN; 2025: A in 2WT, 5WT, 8WT; not offered in 3LT, 2SP, 3SP; 2026: A in 4WT, 5WT, 8WT, 2LT, 3LT, 4LT; not offered in 2TR, 3TR, 2SP, 3SP; 2027: A in 4WT, 5WT, 8WT, 2LT, 3LT; not offered in 2TR, 3TR
This page aggregates every documented appearance of SQM in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.