Onix OR2479 Radiator

Radiator for Dodge Ram 1500, Ram 2500, Ram 3500

Onix OR2479 is a direct-fit radiator for select Dodge Ram trucks from 2002-2004. It is built for applications that require a radiator without a filler neck and is engineered with value-focused components for dependable cooling performance.

Key Features

• Direct-fit radiator for select Dodge Ram applications
• Fits 2002-2004 Dodge Ram 1500, w/o filler neck
• Fits 2002-2003 Dodge Ram 2500, w/o filler neck
• Fits 2003 Dodge Ram 3500, w/o filler neck
• Onix part number OR2479 for easy identification
• Built as part of Onix’s premium-quality radiator line

Detailed Description

Onix OR2479 is a replacement radiator for Dodge Ram 1500, Ram 2500, and Ram 3500 trucks with the specified no-filler-neck configuration. Onix designs its cooling components with upgraded materials and fitment-focused engineering to support longer service life and consistent thermal control. If you are replacing a worn or leaking radiator on a 2002-2004 Dodge Ram 1500 or a 2002-2003 Dodge Ram 2500, OR2479 provides a straightforward OE-style solution. It also covers the 2003 Dodge Ram 3500 application listed for this part number.

Common Problems This Radiator Can Address

• Coolant leaks from a cracked or corroded radiator core
• Overheating caused by restricted coolant flow
• Temperature instability during towing or heavy-duty driving
• Reduced cooling efficiency from an aging factory radiator
• Fitment issues when replacing a radiator without a filler neck

Installation Notes and Tips

Verify that your truck matches the listed year, model, and no-filler-neck configuration before installation. Confirm hose routing, mounting points, and transmission cooler connections against the original radiator. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation. Part number OR2479 should be matched to the vehicle application before ordering.

Quality Assurance

Onix positions this radiator within its premium-quality, drop-in-fit product line, using engineered components aimed at dependable performance and service life. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.