2011–2019 Chevy/GMC HD Truck Radiator | Cold Case GMT578A

Cold Case GMT578A Radiator for 2011–2019 Chevy/GMC HD Gas Trucks

The Cold Case GMT578A aluminum performance radiator fits 2011–2019 Chevy/GMC 2500 and 3500 HD gas trucks with an automatic transmission and factory oil cooler. It combines an oversized two-row core with polished, OE-style tanks for an original-appearing installation.

Vehicle Fitment & Configuration

• Application: 2011–2019 Chevy/GMC 2500 and 3500 HD gas trucks.
• Transmission: Automatic.
• Oil cooler: Included; intended for trucks equipped with a factory oil cooler.
• Transmission cooler fittings: Factory quick connect.
• Part number: GMT578A.

Confirm your truck's engine, transmission and factory oil-cooler configuration before ordering.

Construction & Cooling Features

• 100% aluminum construction with TIG-welded joints.
• Two rows of oversized 1-inch tubes.
• 16 fins per inch.
• Corrugated fins provide additional surface area for heat transfer.
• Polished OE-style tanks with correct stamping for an original appearance. The radiator can be painted to more closely resemble the original.
• Pressure tested.

Cold Case positions its oversized two-row design as an alternative to three- and four-row aluminum radiators, with a claimed cooling advantage.

Optional Billet Radiator Cap

Add a Cold Case RC100 billet radiator cap as an optional finishing touch. This press-fit cap is designed exclusively for Cold Case radiators and is sold separately. Buy here.

Fan & Shroud Fitment

Planning an electric-fan conversion? Confirm radiator dimensions, mounting points and engine/accessory clearance before selecting a shroud or fans. A specific fan-and-shroud combination is not confirmed for this listing.

Supplier Warranty

Limited Lifetime Warranty.

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