CSF 3867 Radiator

OE-Style Cooling for Select GM Applications

CSF Radiator 3867 is an OE-style replacement radiator built with an aluminum core and plastic tanks for select Chevrolet and Buick applications. It is engineered as a cross-flow unit with a high-efficiency plate-type oil cooler and quick-connect fittings for direct service on supported vehicles.

Compatible With 2013-2019 Chevrolet Malibu, 2014-2019 Chevrolet Impala, 2016 Chevrolet Malibu Limited, and 2014-2017 Buick Regal, this radiator is a fitment-based solution for cooling system service on the listed models.

Key Features

• Aluminum core with plastic tanks for OE-style construction
• Cross-flow design with 1-row radiator core
• Core dimensions: 26 3/4 in. length, 15 1/4 in. width, 7/8 in. thickness
• 1 3/8 in. left inlet and 1 3/8 in. right outlet
• Integrated 11 1/2 in. high-efficiency plate-type oil cooler
• Multi-fit design for applications with or without sensor
• Cap not included

Detailed Description

CSF Part Number 3867 is designed for vehicles that use an OE-style plastic tank and aluminum core radiator with quick-connect oil cooler fittings. The radiator is wind-tunnel tested during development for cooling performance validation and is manufactured under ISO/TSO-certified factory processes. For service work on Chevrolet Malibu, Chevrolet Impala, Malibu Limited, and Buick Regal models, CSF 3867 provides the correct cross-flow layout and connection sizing for the listed applications.

This part cross-references GM3010551 and GM3010553 for the same application.

Common Problems This Radiator Addresses

• Coolant leaks from aging plastic tanks or core seams
• Restricted cooling performance from a worn or damaged radiator core
• Oil cooler connection issues on equipped vehicles
• Fitment problems when replacing a multi-fit OE-style radiator
• Overheating concerns caused by radiator deterioration

Installation Notes and Tips

Verify the vehicle’s radiator configuration before installation, especially sensor and oil cooler connection details. This radiator uses quick-connect oil cooler fittings and is listed as a multi-fit model for applications with or without sensor. Confirm inlet and outlet orientation, mounting points, and hose routing against the original unit before final assembly.

Quality Assurance

CSF manufactures radiators to high-performance standards in ISO/TSO-certified facilities and validates cooling performance during development. Part Number 3867 is built for the specified Chevrolet and Buick fitments using an aluminum core and plastic tank construction consistent with OE-style service replacement needs.