One Stop Solutions 2701 Radiator

Radiator for 2003-2005 Kia Rio

Restore cooling performance with this OSC Premium radiator for the 2003-2005 Kia Rio. Part number 2701 is built to OE form and function with a downflow design, plastic tanks, and a PA core for a direct replacement on the listed Kia Rio applications.

Key Features

• Fits 2003-2005 Kia Rio, N/A
• OSC Premium radiator, part number 2701
• Downflow design with 1-row core construction
• Transmission oil cooler included with concentric cooler type
• Premium-grade aluminum tube and fin construction with plastic tanks
• Die-cut gasket design for leak resistance
• Individually pressure tested during production
• Factory-style fitment with OE performance and dimensions

Detailed Description

This OSC radiator is engineered for the Kia Rio cooling system and follows OE-style form and function for the 2003, 2004, and 2005 model years. The radiator uses a 13 3/4-inch core height, 25 1/8-inch core width, and 1-inch core thickness, with 1 1/4-inch inlet and outlet diameters. It also includes a concentric transmission oil cooler, making it a direct replacement for vehicles equipped with that configuration. Part number 2701 is built with upgraded materials and factory-matched dimensions to support consistent coolant flow and heat transfer.

OSC uses premium components, fitted and torqued to factory specifications, and tests each radiator multiple times during production. The design also incorporates enhancements such as improved fin density and thicker core construction to address heat load in higher-mileage vehicles. This part cross-references Spectra Premium CU2701 for the same application.

Common Cooling System Issues

• Coolant leaks from a cracked or aging radiator tank
• Overheating caused by restricted heat transfer
• Transmission fluid temperature concerns related to a failing cooler circuit
• Reduced cooling efficiency from worn internal radiator components
• Fitment problems after replacing a damaged original radiator

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and transmission cooler configuration before installation. Confirm the vehicle is a 2003-2005 Kia Rio with the same downflow layout and cooler setup as the original unit. Flush the cooling system, inspect hoses and clamps, and check for contamination in the transmission cooler lines before putting the vehicle back into service.

Quality Assurance

OSC pressure tests the transmission and engine oil coolers before assembly, tests the radiator core prior to assembly, and tests the completed unit again after assembly. The radiator is built to OE cooler design standards where originally equipped and uses a die-cut gasket to help maintain sealing integrity.