CSF 3873 Radiator

Reliable Radiator Replacement for Kia Optima

The CSF radiator part number 3873 is designed specifically for Kia Optima models, providing efficient engine cooling with durable construction. This radiator features a cross flow design and OEM-style plastic tanks paired with an aluminum core to ensure consistent performance.

• Core thickness: 5/8 inch for effective heat dissipation
• Core dimensions: 25 1/16 inches length by 18 5/16 inches width
• Aluminum core material for lightweight durability
• Plastic tanks with quick-connect outlets for easy integration
• Inlet and outlet diameters both 1 3/8 inches, positioned left and right respectively
• Single-row radiator core for optimized cooling flow
• Cross flow type design enhances coolant circulation

Detailed Radiator Specifications and Features

The CSF 3873 radiator is engineered with a 5/8 inch thick aluminum core that measures 25 1/16 inches in length and 18 5/16 inches in width, providing a balance of cooling efficiency and structural integrity. The plastic tanks are molded to OEM specifications and include quick-connect outlets, simplifying installation and ensuring a secure fit. Both the inlet and outlet have a diameter of 1 3/8 inches, located on the left and right sides respectively, supporting proper coolant flow. This radiator uses a cross flow design with a single core row, which promotes effective heat exchange and helps maintain optimal engine temperature under various driving conditions.

Compatible Applications and Common Issues Addressed

• Replacement radiator for Kia Optima models requiring a 5/8 inch thick core
• Resolves overheating problems caused by damaged or clogged radiators
• Addresses coolant leaks from cracked or worn plastic tanks
• Improves cooling system efficiency in vehicles with OEM-style radiator requirements
• Suitable for vehicles needing a radiator with 1 3/8 inch inlet and outlet diameters

Installation Notes and Tips

When installing the CSF radiator 3873 on a Kia Optima, ensure the inlet and outlet hose connections match the 1 3/8 inch diameter specifications. The quick-connect outlets on the plastic tanks facilitate a straightforward connection process. Verify that the radiator core dimensions fit within the engine bay clearance, especially considering the 25 1/16 inch length and 18 5/16 inch width. It is recommended to inspect and replace coolant hoses and clamps as needed during installation to maintain system integrity.

Quality Assurance and Warranty Information

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and durable plastic tanks. The part number 3873 does not include a radiator cap and is free from hazardous materials. While specific warranty details are not provided here, CSF products typically come with manufacturer-backed quality assurance to ensure reliable performance in Kia Optima vehicles.