Engine, diesel, 6.2L V8, heavy duty

Years 1982–93 Models 6 Factory citations 39

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Also described as 379 cid (6.2L) V8 diesel, heavy dutyEngine, 6.2 liter V8, heavy duty diesel (379 cubic inch)

Also documented for GMC

Documented applications

C/K Trucks

1982 Confirmed

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C/K pickup — GMT400 (1988–2000)

1988–1993 Factory-verified

the 1990 and 1991 option pages name it the 6.2 liter V8 heavy duty diesel

GM Heritage factory kit — 1988 Chevrolet Truck, p.25.
GM Heritage factory kit — 1989 Chevrolet Truck, p.28.
GM Heritage factory kit — 1990 Chevrolet Truck, p.36.
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.

C/K pickup — Square body (1983–1991)

1983–1988 Factory-verified

heavy duty emissions version of the 6.2 liter diesel; requires B3J diesel equipment; 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 — 1983 Chevrolet Truck, p.15.
GM Heritage factory kit — 1984 Chevrolet Truck, p.23.
GM Heritage factory kit — 1985 Chevrolet Truck, p.23.
GM Heritage factory kit — 1986 Chevrolet Truck, p.22.
GM Heritage factory kit — 1987 Chevrolet Truck, p.39.
GM Heritage factory kit — 1988 Chevrolet Truck, p.50.

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

1983, 1984, 1986–1989, 1991–1993 Factory-verified

379 cu in heavy duty diesel; G30 with C6P; 1983–1991: requires B3J; the 1990 pages print the code only as LIA or LLA, so 1990 is not claimed.

GM Heritage factory kit — 1983 Chevrolet Vandura, p.13.
GM Heritage factory kit — 1984 Chevrolet G Van, p.14.
GM Heritage factory kit — 1986 Chevrolet G Van, p.21.
GM Heritage factory kit — 1987 Chevrolet G Van, p.15.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.17.
GM Heritage factory kit — 1989 Chevrolet G Van, p.17.
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.58.

Motor Home chassis (1983–1998)

1983–1989, 1991–1993 Factory-verified

requires B3J diesel equipment package (1983-1989 kits); the 1990 kit prints it unreadably, so 1990 is not claimed

GM Heritage factory kit — 1983 Chevrolet Motorhome, p.5.
GM Heritage factory kit — 1984 Chevrolet Motorhome, p.7.
GM Heritage factory kit — 1985 Chevrolet Motorhome, p.16.
GM Heritage factory kit — 1986 Chevrolet Motorhome, p.7.
GM Heritage factory kit — 1987 Chevrolet Motorhome, p.11.
GM Heritage factory kit — 1988 Chevrolet Motorhome, p.7.
GM Heritage factory kit — 1989 Chevrolet Motorhome, p.8.
GM Heritage factory kit — 1991 Chevrolet Motorhome, p.4.
GM Heritage factory kit — 1992 Chevrolet Motorhome, p.13.
GM Heritage factory kit — 1993 Chevrolet Motorhome, p.11.

Suburban — Square body (1983–1991)

1983–1989, 1991 Factory-verified

heavy duty emissions 6.2 liter diesel for the 20/2500 series; requires B3J diesel equipment; 1989 from the power team page, which heads its diesel teams with LL4; the 1990 pages print the code as LIA or LLA, so 1990 is left out

GM Heritage factory kit — 1983 Chevrolet Suburban, p.13.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1987 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.15.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.6.
GM Heritage factory kit — 1991 Chevrolet Suburban, p.18.

This page aggregates every documented appearance of LL4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.