ASI Performance 4-Row Aluminum Radiator For 2001-2005 Chevy Silverado/GMC Sierra 2500HD 3500 6.6L Duramax

Keep your Duramax cool with this ASI Performance 4-row aluminum radiator.

It's built for 2001-2005 Chevy Silverado and GMC Sierra 2500HD/3500 trucks with the 6.6L Duramax LB7 or LLY.

Direct bolt-in—no drilling or mods needed.

Core size is 34\ W x 19.6\ H x 2.5\ T, overall 45.4\ W x 20.9\ H.

It's 100% TIG welded from aircraft-grade raw aluminum, 100% leak tested, and boosts cooling by 35-45%.

Comes with an OEM-style brass petcock drain and includes a transmission oil cooler (but no transmission oil line fittings).

Lifetime warranty.

Inlet and outlet are both 1 7/9\.

If you tow heavy or just want your truck to run cooler, this is it.