Chevrolet Silverado 6.6L LML V8 Duramax Engine For Sale.

Chevrolet Silverado 6.6L LML V8 Turbodiesel Duramax Engine

Premium, legendary high-performance Power plant, Used engine For Sale.

This Chevrolet Silverado 6.6L LML V8 Duramax Engine for sale is a powerful and proven heavy-duty diesel platform designed for demanding towing, hauling, and long-distance reliability.

Built as part of the Duramax diesel lineage, the LML engine delivers exceptional low-end torque, refined power delivery, and improved emissions performance, making it a top choice for replacement engines, work truck restorations, or fleet upgrades. Its balance of strength, efficiency, and durability has made it one of the most respected modern diesel engines in the Silverado lineup.

The 6.6L LML Duramax was factory-installed in Chevrolet Silverado HD models from 2011 to 2016, including the Silverado 2500HD and 3500HD across LT, LTZ, and Work Truck (WT) trims. It was also used in GMC Sierra 2500HD and  also3500HD models of the same generation, sharing the same core engine architecture.

Designed specifically for heavy-duty truck platforms, the LML is best suited as a direct replacement for compatible Silverado and Sierra HD chassis, ensuring correct integration with factory transmissions, electronics, and emissions systems.

 Specifications, Common weaknesses and Maintenance.

Key specifications of the LML Duramax include a 6.6-liter displacement, V8 configuration, turbocharged and moreover intercooler design, and advanced high-pressure common-rail direct diesel injection. Factory output is approximately 397 horsepower and an impressive 765 lb-ft of torque and furthermore delivering outstanding towing capability and throttle response under load.

The engine features a cast-iron block, aluminum cylinder heads, forged steel crankshaft, variable-geometry turbocharger, and modern emissions components including a diesel particulate filter and DEF-based SCR system.

Common weaknesses and maintenance notes for the LML Duramax primarily involve emissions-related components. The CP4 high-pressure fuel pump is known for potential failure if contaminated fuel is used, making high-quality diesel and regular fuel filter changes critical.

EGR and DPF systems require proper maintenance to prevent clogging or reduced performance. Consistent oil changes, cooling system servicing, and adherence to service intervals are essential. With responsible maintenance, the Chevrolet Silverado 6.6L LML V8 Duramax Engine remains a dependable and high-performing diesel workhorse.