CSF 3729 Radiator

CSF 3729 Radiator for Silverado 1500 and Sierra 1500

CSF 3729 is an OE-style radiator built with an aluminum core and plastic tanks for 2014-2018 Chevrolet Silverado 1500 and 2014-2018 GMC Sierra 1500 applications. It uses a cross-flow design with quick-connect oil cooler fittings and the correct inlet and outlet sizing for direct replacement service.

Key Features

• Aluminum core with plastic tank construction
• Cross-flow radiator design
• Single-row core configuration
• Quick-connect oil cooler fittings
• Inlet diameter: 1 5/16 left
• Outlet diameter: 1 9/16 right
• Fits 2014-2018 Chevrolet Silverado 1500 and 2014-2018 GMC Sierra 1500
• Part number: 3729

Detailed Description

CSF 3729 radiator is engineered for direct-fit cooling system replacement on the Chevrolet Silverado 1500 and GMC Sierra 1500. The aluminum core helps transfer heat efficiently, while the OE-style plastic tanks match the factory layout for a clean installation and proper hose and cooler connection alignment. CSF states its radiators are manufactured to high-performance standards and validated through wind-tunnel testing, with broad application coverage across many vehicle platforms. This part cross-references Bosch 13396 for the same application.

What This Radiator Helps Address

• Overheating caused by a leaking or restricted radiator
• Coolant loss from cracked tanks or aged core seams
• Reduced cooling efficiency in stop-and-go driving
• Transmission cooler connection issues at the radiator
• Fitment problems from an incorrect replacement radiator

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet orientation, and oil cooler fitting style before installation. This radiator uses quick-connect oil cooler fittings and does not include a cap. Confirm the vehicle is a 2014-2018 Chevrolet Silverado 1500 or 2014-2018 GMC Sierra 1500 before ordering. Part number 3729 should be matched to the original radiator configuration for proper fitment.

Quality Assurance

CSF manufactures radiators in ISO/TSO-certified facilities and applies engineering validation to support consistent cooling performance. The brand has supplied radiators worldwide for decades and produces a wide range of OE-style replacement cooling components.