CSF 3953 Radiator

CSF 3953 Radiator for Jeep Wrangler

CSF 3953 is an OE-style radiator built with an aluminum core and plastic tanks for 2018-2024 Jeep Wrangler applications. It uses a cross-flow design with left-side inlet and right-side outlet sizing to match the listed fitment, while the upgraded heavy-duty core adds thickness over the OEM unit.

Key Features

• Fits 2018-2024 Jeep Wrangler, N/A
• Part number 3953 for direct reference and ordering
• O.E.M.-style plastic tank and aluminum core construction
• Cross-flow radiator design
• 1-row core with 1 3/16 in core thickness
• Upgraded heavy-duty core, 11% thicker than OEM 27 mm
• Left inlet and right outlet configuration
• Core dimensions: 21 15/16 in length, 19 5/16 in width

Detailed Description

CSF 3953 is engineered as a replacement radiator for Jeep Wrangler cooling system service, with a plastic tank and aluminum core layout that follows the original equipment style. The radiator measures 21 15/16 inches long, 19 5/16 inches wide, and 1 3/16 inches thick, and the single-row cross-flow design supports efficient coolant routing in the listed application. CSF states that its radiators are built to performance standards and validated through laboratory wind tunnel testing, and this unit reflects that engineering approach with an upgraded heavy-duty core. If you are searching for a Jeep Wrangler radiator replacement, CSF 3953 provides a direct-fit option for the 2018-2024 Jeep Wrangler platform.

This part cross-references Mopar 68314786AC and Partslink CH3010387 for the same application.

What It Helps Address

• Overheating caused by a worn or restricted radiator
• Coolant temperature instability during daily driving or load conditions
• Leaks from aging plastic tank and core assemblies
• Reduced cooling efficiency from a damaged or corroded radiator
• Replacement needs for a Jeep Wrangler radiator with OE-style dimensions

Installation Notes and Tips

Verify inlet and outlet orientation before installation: this radiator uses a 1 3/8 in left inlet and 1 3/8 in right outlet. Confirm the listed core dimensions and mounting space against the vehicle before removal of the original unit. Radiator cap is not supplied, and no oil cooler is included.

Quality Assurance

CSF manufactures radiators to ISO/TSO-certified factory standards and has supplied cooling components worldwide for more than 50 years. The brand reports more than 30 million units sold and uses laboratory testing to validate cooling performance.