TYC 13643 Radiator - Front

TYC Radiator for 2017-2019 Nissan TITAN

This TYC Radiator, part number 13643, is a direct-fit cooling replacement for the front application on 2017-2019 Nissan TITAN models. Built with an aluminum core and crossflow design, it is specified for vehicles using 1-3/8 inch hose clamp inlet and outlet connections.

Key Features

• Aluminum core construction for efficient heat transfer
• Crossflow flow configuration
• 1-row radiator design
• Inlet and outlet diameter: 1-3/8 inch
• Hose clamp connection type at both ends
• No transmission oil cooler included
• No engine oil cooler included
• TYC Radiator part number 13643

Product Details

The TYC Radiator 13643 is engineered around the listed core and header dimensions for a precise cooling-system replacement. It features a 28.68-inch core length, 26.18-inch core thickness, and 1.65-inch core height, with matching top and bottom headers sized at 29-1/2 x 2-3/8 inches. The radiator also uses an aluminum tube-and-fin layout with 87 total tubes and 88 total fin rows, supporting consistent coolant flow across the core. For shoppers searching for a 2017-2019 Nissan TITAN radiator replacement, this unit provides the specified fitment and connection style without integrated transmission or engine oil cooling.

This part cross-references Nissan 21410-EZ30A for the same application.

Common Problems This Radiator Can Address

• Coolant leaks from a damaged or corroded radiator
• Overheating caused by restricted coolant flow
• Cracked tanks or weakened core seams
• Poor heat dissipation from an aging radiator assembly
• Replacement needs after impact or front-end damage

Installation Notes and Tips

Verify the inlet and outlet sizes, hose clamp connection style, and front position before installation. Confirm that the vehicle does not require an integrated transmission oil cooler or engine oil cooler, since this radiator is listed without either feature. Flush the cooling system, inspect hoses and clamps, and check the fan shroud and mounting points for wear before installing the replacement radiator.

Quality Assurance

TYC Radiator components are cataloged with detailed dimensional and fitment data to support accurate replacement selection. Part number 13643 is listed for 2017-2019 Nissan TITAN front applications and is cross-referenced to OE and aftermarket numbers for the same vehicle use.