Engine, 5.3L EcoTec3 V8 with Dynamic Fuel Management, direct injection and variable valve timing

Years 1963–65, 2019–27 Models 4 Factory citations 23

Also described as 327ci 360hp Engine, Rochester fuel injection327ci 375hp V8, Rochester fuel injection327ci 375hp V8, fuel injectionEngine, 5.3L EcoTec3 V8

Also documented for GMC

Documented applications

Corvette (C1 / C2)

1963 Factory-verified

$430.40; 2,610 built; top engine, required in Z06

GM Heritage factory kit — 1963 Chevrolet Corvette, p.8.
1964 Factory-verified

$538.00; 1,325 built

GM Heritage factory kit — 1964 Chevrolet Corvette, p.17.
1965 Factory-verified

$538.00; 771 built; last fuel-injected Corvette engine until 1982

GM Heritage factory kit — 1965 Chevrolet Corvette, p.13.

Silverado — T1XX (2019–2026)

2019, 2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.12.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.12.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.14.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2019 chevrolet silverado 1500 all new order guide copy gm authority, p.3.
2021 Single-source

2021 from a GM Authority article only, no 2021 GM list is in the repository: the GM Authority 2021 Silverado 1500 changes article (https://gmauthority.com/blog/2021/04/2021-chevy-silverado-1500-heres-whats-new-and-different/) prints the 5.3L L84 with MQE on 2WD and MQB on 4WD; the 2020 and 2022 years are in the row above

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: LS, LT, RST, Z71, Premier: S

GM factory document — 2025 chevrolet new suburban fleet order guide, p.7.
GM factory document — 2026 chevrolet suburban fleet order guide, p.7.
GM factory document — 2027 chevrolet suburban fleet order guide, p.7.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: FL, LS, LT, RST, Z71, Premier, Police Package, Special Service: S

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.6.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.6.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

This page aggregates every documented appearance of L84 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.