【Direct Replacement】- Brand new radiator, designed and manufactured to original factory specifications for quick installation. A direct fit with no drilling or modification required for installation. 【Fitment】- 3 Core Cooling Radiator is compatible with 01 02 03 04 05 Chevy Silverado/GMC Sierra 2500HD 3500HD 6.6L V8 Duramax LB7/LLY Crossflow. 【Specification】- Rows: 3 Rows (44mm Core); Core Size: 34" x 20"; Overall Size: 45.3" x 20.7"; Inlet/Outlet: 1 7/8" & 1 7/8". 【Premium Material】- Full aviation aluminum craftsmanship, 100% welded by TIG. Carefully crafted to exceptional OE standards for a precise fit, Aircraft AA5052 grade aluminum and with a raw aluminum finish. 【Efficient Application】- This Aluminum Radiator is at least 30%-45% more efficient than stock ones, which means that your cooling system will be more efficient and more resistant to temperature surges in racing applications.

Package Include:

1 X 3-Row AA5052 Aluminum Radiator

Vehicle Fitment:

For 2001-2005 Chevrolet Silverado 2500 HD w/ 6.6L Duramax LB7/LLY

For 2001-2005 Chevrolet Silverado 3500 HD w/ 6.6L Duramax LB7/LLY

For 2001-2005 GMC Sierra 2500 HD w/ 6.6L Duramax LB7/LLY

For 2001-2005 GMC Sierra 3500 HD w/ 6.6L Duramax LB7/LLY

Radiator Specification:

Core Material: All Aluminum

Surface Finish: Raw Aluminum Unpainted

Including OEM Style Brass Petcock Drain.

High-Performance Racing Spec.

3-Row of tubes Core Racing Design

Down Flow Or Cross Flow Type: Cross Flow

Core Size: 34" X 20"

Overall Size: 45" X 20 2/3"

Inlet/Outlet: 1 7/8'' & 1 7/8''

Features:

1. Made from Aircraft AA5052 grade aluminum for prolonged lifespan and with a raw aluminum finish.

2. Brazed core technology to guarantee optimum performance and dependability.

3. All AA5052 Aluminum 2mm thick tanks and fittings, ensure it's rugged and durable.

4. OEM style brass petcock drain is much better than other plastic ones.

5. Carefully crafted to exceptional OE standards for a precise fit.