Feb 21, 2018 · This is an engine specification guide for General Motors’ fifth-generation L83 and L8B engines that launched in 2014. These LT-based engines are commonly referred to as EcoTec3 5.3L …

With its robust construction and factory-matched specifications, the L83 long block engine is the trusted choice for maintaining OEM performance and reliability across a wide range of driving conditions.

In-depth review of the 5.3L EcoTec3 L83 Engine (2014-2019 Silverado, Sierra). Complete specs, features, oil, common problems, longevity.

Complete information about GM's V8 engine - the 5.3L V8 EcoTec3 L83 - including detailed info and specifications, vehicle applications, and more.

The L83 and L8B are both Gen. 5, 5.3L, small block engines used in GM trucks and SUV's. They are known as the EcoTec3 5.3L engines. These engines are all-aluminum and use Active Fuel …

Jul 25, 2024 · Discover the power and performance of the Chevy L83 engine. Explore its specifications, oil requirements, and maintenance intervals for optimal performance.

Apr 28, 2025 · What is the L83 Engine? The L83 is a 5.3L V8 engine that GM introduced in 2014 as part of their EcoTec3 family. This aluminum block engine powers many popular GM trucks and SUVs …

All-new weight-saving aluminum cylinder-block casting. All-new cylinder head design with new port shape and valve placement. Advanced Oiling System – variable displacement pump. High-strength …

Chevy 5.3 Engine 2014-2019 vin C L83 with DOD & VVT by Powertrain Products . OEM quality, backed by the industry's best warranty.

Dec 8, 2024 · GM tried to do something interesting with its Ecotec3 L83 engine, but some owners have had unique issues with it. Here's what you need to know.