- 1989 Factory-verified
only in: sedan (1BL69), special equipment option (SEO)
GM Heritage factory kit — 1989 Chevrolet Caprice, p.82.
6Y4 Factory-verified
Also described as Spare tire and wheel delete
Also documented for BuickCadillacGMC
Documented applications
- 1999, 2000 Factory-verified
GM prints "Delee"
- 1994–1997, 1999 Factory-verified
GM prints "Delee"
GM Heritage factory kit — 1994 Chevrolet Suburban, p.17.GM Heritage factory kit — 1995 Chevrolet Suburban, p.18.GM Heritage factory kit — 1996 Chevrolet Suburban, p.20.GM Heritage factory kit — 1997 Chevrolet Suburban, p.20.
- 1999 Factory-verified
GM prints "Delee"
This page aggregates every documented appearance of 6Y4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.