Engine, 4.1L L6, 2 barrel

Years 1976–84 Models 3 Factory citations 4

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Also described as 250 cid I6 (250D)

Also documented for GMC

Documented applications

C/K Trucks

1976–82 Confirmed

Base (integrated-head 250 from '78)

C/K pickup — Square body (1983–1991)

1983, 1984 Factory-verified

the 1984 option page lists the 4.1 liter (250 cu in) 2 barrel L6

GM Heritage factory kit — 1983 Chevrolet Truck, p.13.
GM Heritage factory kit — 1984 Chevrolet Truck, p.21.

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

1983, 1984 Factory-verified

250 cu in; cargo van: standard on G10–G30 without the C6P heavy duty chassis; Sportvan (1984): G10 and G20 only.

GM Heritage factory kit — 1983 Chevrolet Vandura, p.13.
GM Heritage factory kit — 1984 Chevrolet G Van, p.14.

This page aggregates every documented appearance of LE3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.