Onix OR2309 Radiator

Radiator for Ford Explorer and Mountaineer

Onix OR2309 is a drop-in-fit radiator built for select 2000-2001 Ford Explorer and Mercury Mountaineer applications with a 2 in. top and bottom radiator channel. It is also listed for the 2001 Ford Explorer Sport and 2001 Ford Explorer Sport Trac with the same channel requirement. Onix designs its radiator line with upgraded components to support longer service life and consistent cooling performance.

Key Features

• Drop-in-fit radiator for direct replacement service
• Fits 2000-2001 Ford Explorer, N/A, w/ 2 in. Top & Bottom Radiator Channel
• Fits 2001 Ford Explorer Sport, N/A, w/ 2 in. Top & Bottom Radiator Channel
• Fits 2001 Ford Explorer Sport Trac, N/A, w/ 2 in. Top & Bottom Radiator Channel
• Fits 2000-2001 Mercury Mountaineer, N/A, w/ 2 in. Top & Bottom Radiator Channel
• Onix part number OR2309 for catalog and service matching

Detailed Description

OR2309 is an Onix replacement radiator for vehicles equipped with a 2 in. top and bottom radiator channel. This radiator is listed for Ford Explorer, Ford Explorer Sport, Ford Explorer Sport Trac, and Mercury Mountaineer models in the 2000-2001 range, making it a focused fitment solution for cooling system repair on these platforms. Onix positions this radiator line as a value-priced OE-style option engineered with quality components for dependable operation and extended service life. OR2309 is the part number to reference when matching the correct radiator for these applications.

What It Helps Address

• Coolant leaks from a damaged or corroded radiator
• Overheating caused by restricted or inefficient heat transfer
• Cooling system performance loss after impact or age-related wear
• Replacement needs on Ford Explorer and Mercury Mountaineer cooling systems
• Fitment matching for vehicles with a 2 in. top and bottom radiator channel

Installation Notes and Tips

Verify the vehicle has the specified 2 in. top and bottom radiator channel before ordering. Confirm year, make, and model against the fitment list, especially on 2001 Ford Explorer Sport and 2001 Ford Explorer Sport Trac applications. Inspect hoses, clamps, and coolant condition during radiator replacement, and flush the system if contamination or debris is present. OR2309 should be matched to the exact cooling-system configuration listed for the vehicle.

Quality Assurance

Onix markets this radiator line as a premium-quality, drop-in-fit replacement built with top-tier components to support reliable performance and longer service life. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.