Chevy Duramax 2002 | UPDATED × 2026 |

Paired with the legendary Allison 1000 5-speed automatic , the first medium-duty transmission adapted for light-duty pickups.

Rated at 300 horsepower and 520 lb-ft of torque . Chevy Duramax 2002

Pioneered the high-pressure Bosch common-rail direct injection system in pickup trucks, capable of 23,000 PSI. Common Maintenance & Reliability Concerns 2002 Duramax Diesel Truck MPG Expectations Explained? Paired with the legendary Allison 1000 5-speed automatic

The 2002 Chevy Duramax LB7: A Heavy-Duty Icon The 2002 Chevrolet Silverado 2500HD/3500HD marked the second year of the engine, the first generation of a 6.6L V8 turbo-diesel that revolutionized the American truck market. Co-developed by General Motors and Isuzu, the 2002 Duramax was a direct response to competition from Ford and Dodge, introducing cutting-edge technology that quickly gained a 30% market share in heavy-duty pickups. Key Specifications and Performance Key Specifications and Performance