5.3L L83 Engine and Transmission Chevy GMC 2014-2020 4WD

The 5.3L L83 long block engine is a OEM replacement for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks manufactured between 2014 and 2020, specifically for models with the 8th digit of the VIN as “C.” This direct-fit engine is built to meet or exceed original equipment standards, restoring factory-level performance, reliability, and efficiency. Featuring the Gen V EcoTec3 platform with active fuel management and direct injection technology, the L83 engine delivers the power and torque truck owners expect while improving fuel economy and emissions. Ideal for both work and everyday driving, this long block has been built with several upgraded parts to help increase the engines longevity and performance.

Designed for seamless integration, the 5.3L L83 long block ensures compatibility with your existing components, minimizing downtime and simplifying installation. Whether you’re replacing a worn-out engine or performing a performance-focused restoration, this engine offers the durability and strength needed to keep your Silverado 1500 or Sierra 1500 running at peak performance. 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. Get your truck back on the road with the power and confidence that only a properly matched long block can provide.