Engine, 5.3L V8, spark ignition direct injection, variable valve timing, Active Fuel Management, aluminum block (355 hp)

Years 1982, 1984, 2015–19 Models 5 Factory citations 18

Also described as 350ci (5.7L) 200hp Cross-Fire Injection V8Engine, gas, 8 cylinder, 5.7L, cross-fire injectionEngine, 5.3L EcoTec3 V8

Also documented for GMC

Documented applications

Corvette (C3)

1982 Factory-verified

$0.00 — standard on all 25,407 cars; no engine options; first fuel-injected Corvette since 1965; factory kit confirms RPO L83 "5.7 Liter Dual C.F.I. V8 (Cross-Fire Injection)" (p.30, also p.8/p.19)

GM Heritage factory kit — 1982 Chevrolet Corvette, p.30.

Corvette — C4 (1984–1996)

1984 Factory-verified

the 1984 specification pages (pp.26, 27, 29, 32) print RPO L83; the 1984 order guide (p.18) prints only "5.7 Liter Dual C.F.I. V8"

GM Heritage factory kit — 1984 Chevrolet Corvette, p.26.

Silverado — K2XX (2014–2019)

2015, 2017–2019 Factory-verified

GM factory document — 2015 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.23.
GM factory document — 2018 chevrolet silverado 1500 fleet order guide copy gm authority, p.24, p.214.
GM factory document — 2019 chevrolet silverado 1500 ld double cab fleet order guide copy gm authority, p.2, p.48.

Suburban — K2XX (2015–2020)

2015–2019 Factory-verified

S on all trims; 383 lb-ft; the guides name it EcoTec3; the lists add E85 max; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.4, p.5.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.4, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.10.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.23.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.4.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.4.

Tahoe — K2XX (2015–2020)

2015–2019 Factory-verified

S on all trims; 383 lb-ft; the guides name it EcoTec3; the lists add E85 max; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.1, p.5.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.4, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.10.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.23.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.3.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.4.

This page aggregates every documented appearance of L83 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.