Engine, 7.4L V8, electronic fuel injection

Years 1987–96 Models 3 Factory citations 13

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Also documented for Chevrolet

Documented applications

Sierra — Square body (1983–1991)

1987, 1988 Factory-verified

shared platform code; cited from the square-body C/K pickup kits; the 1987 power team pages list the 7.4 liter (454 cu in) V8 with electronic fuel injection; 1988 from the 1988 engine data page, which names the R/V 20 bonus and crew cab and R/V 30 pickups

GM Heritage factory kit — 1987 Chevrolet Truck, p.39.
GM Heritage factory kit — 1988 Chevrolet Truck, p.54.

Suburban — Square body (1983–1991)

1988–1991 Single-source

only in: R20/2500; requires UA1 (1988); the 1987 pages name L19 only in new-features prose and an MM4 restriction (the 1987 option line has no legible code), so 1987 is left out; shared square-body platform code; cited from the Chevrolet Suburban kit; 1991 rests on the Chevrolet-only 1991 Suburban book, so the row is single-source

GM Heritage factory kit — 1988 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1990 Chevrolet Suburban, p.8.
GM Heritage factory kit — 1991 Chevrolet Suburban, p.18.

Vandura and Rally — Second generation G-series (1983–1996)

1990–1996 Single-source

454 cu in; G30 heavy duty models; shared G-van platform code; cited from the Chevrolet G-Van kit; 1991–1996 rests on the Chevrolet-only G-Van books, so the row is single-source

GM Heritage factory kit — 1990 Chevrolet G Van, p.15.
GM Heritage factory kit — 1991 Chevrolet G Van, p.9.
GM Heritage factory kit — 1992 Chevrolet G Van, p.9.
GM Heritage factory kit — 1993 Chevrolet G Van, p.31.
GM Heritage factory kit — 1994 Chevrolet G Van, p.28.
GM Heritage factory kit — 1995 Chevrolet G Van, p.5.
GM Heritage factory kit — 1996 Chevrolet G Van, p.44.

This page aggregates every documented appearance of L19 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.