Engine, 5.0L V8, electronic fuel injection

Years 1987–95 Models 7 Factory citations 27

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Also documented for Buick Cadillac GMC Pontiac

Documented applications

Camaro — Gen 3 (1982–1992)

1988–1992 Factory-verified

most kit pages print LO3 (letter O)

GM Heritage factory kit — 1988 Chevrolet Camaro, p.33.
GM Heritage factory kit — 1989 Chevrolet Camaro, p.9.
GM Heritage factory kit — 1990 Chevrolet Camaro, p.43.
GM Heritage factory kit — 1991 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1992 Chevrolet Camaro, p.88.

Caprice — third generation, B-body (1983–1990)

1989–1990 Factory-verified

the kits also print LO3 and 103; 1989 rests on the taxi and police equipment requirement lists (no option line of its own on the listed pages)

GM Heritage factory kit — 1989 Chevrolet Caprice, p.68.
GM Heritage factory kit — 1990 Chevrolet Caprice, p.9.

Caprice — fourth generation, B-body (1991–1996)

1991 Factory-verified

305 cu in, 170 hp; standard on all 1991 models, the wagon included; the page prints LO3

GM Heritage factory kit — 1991 Chevrolet Caprice, p.6.

C/K pickup — GMT400 (1988–2000)

1988–1995 Factory-verified

the 1988 pages name it the 5.0 liter (305 cu in) V8; the 1990, 1993 pages also print LO3

GM Heritage factory kit — 1988 Chevrolet Truck, p.22.
GM Heritage factory kit — 1989 Chevrolet Truck, p.28.
GM Heritage factory kit — 1990 Chevrolet Truck, p.17.
GM Heritage factory kit — 1991 Chevrolet Truck, p.16.
GM Heritage factory kit — 1992 Chevrolet Truck, p.16.
GM Heritage factory kit — 1993 Chevrolet Truck, p.8.
GM Heritage factory kit — 1994 Chevrolet Truck, p.12.
GM Heritage factory kit — 1995 Chevrolet Truck, p.9.

C/K pickup — Square body (1983–1991)

1987 Factory-verified

the 1987 power team pages list the 5.0 liter (305 cu in) V8 with electronic fuel injection; the kit pages also print LO3

GM Heritage factory kit — 1987 Chevrolet Truck, p.37.

Chevy Van — Second generation G-series (1983–1996)

1987–1995 Factory-verified

305 cu in; the 1989 page prints LO3.

GM Heritage factory kit — 1987 Chevrolet G Van, p.14.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.10.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.
GM Heritage factory kit — 1990 Chevrolet G Van, p.6.
GM Heritage factory kit — 1991 Chevrolet G Van, p.28.
GM Heritage factory kit — 1992 Chevrolet G Van, p.20.
GM Heritage factory kit — 1993 Chevrolet G Van, p.15.
GM Heritage factory kit — 1994 Chevrolet G Van, p.28.
GM Heritage factory kit — 1995 Chevrolet G Van, p.5.

Suburban — Square body (1983–1991)

1987 Factory-verified

only in: R10/1500; the 1987 power team chart heads its R10906 teams with L03; the 1987 standard equipment page also prints LO3

GM Heritage factory kit — 1987 Chevrolet Suburban, p.15.

This page aggregates every documented appearance of L03 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.