Engine, diesel, 4.3L V6

Years 1983, 2023–27 Models 3 Factory citations 7

Query this via API →

Also described as Engine, 5.5L V8, direct injection

Also documented for Buick Oldsmobile

Documented applications

Corvette — C8 (2020–2027)

2023–2027 Factory-verified

only in: Z06

GM factory document — 2023 chevrolet corvette stingray z06 order guide copy corvetteblogger, p.95.
GM factory document — 2024 chevrolet corvette stingray z06 e ray order guide copy corvetteblogger, p.151.
GM factory document — 2025 chevrolet corvette fleet order guide rpo codes, p.3.
GM factory document — 2026 chevrolet corvette fleet order guide rpo codes, p.3.
GM factory document — 2027 chevrolet corvette fleet order guide rpo codes, p.4.

Malibu — fourth generation, A-body (1983)

1983 Factory-verified

only in: sedan (the wagon guide does not list it); requires BS1; V10 recommended, required with NA6

GM Heritage factory kit — 1983 Chevrolet Malibu, p.21.

Monte Carlo — fourth generation (1983–1988)

1983 Factory-verified

V10 cold climate package recommended, and required under NA6 high altitude emissions

GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.30.

This page aggregates every documented appearance of LT6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.