- 1987 Factory-verified
Priced separately with and without Z15; shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits
GM Heritage factory kit — 1987 Chevrolet El Camino, p.41.
D68 Factory-verified
Also documented for BuickChevrolet
Documented applications
This page aggregates every documented appearance of D68 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.