One Stop Solutions 2447 Radiator

Radiator for Mazda Protege 2001-2003

One Stop Solutions Part Number 2447 is an OSC Premium New Automotive Radiator built for OE-style form and function. It is engineered for the 2001-2003 Mazda Protege with AC, including 2003 Mazda Protege except Mazdaspeed, and uses a downflow design with a concentric transmission oil cooler and included cap.

Key Features

• Fits 2001-2002 Mazda Protege, N/A, CAP INCLUDED; w/AC
• Fits 2003 Mazda Protege, N/A, CAP INCLUDED; w/AC; EXC MAZDA SPEED
• Premium aluminum construction with plastic tanks
• Downflow radiator design with one-row core
• Transmission oil cooler included; engine oil cooler not included
• Cap included: W/CAP - Micro 1.1
• Core dimensions: 27 1/16 in. wide, 12 13/16 in. high, 5/8 in. thick
• Inlet and outlet diameters: 1 1/8 in.

Detailed Description

This radiator is built to match OE cooling layout and fitment for Mazda Protege applications. Part Number 2447 uses premium-grade aluminum tubes and a plastic tank design, with cadmium-plated tubes inside and out to help resist premature failure. The radiator is individually pressure tested and assembled with a die-cut gasket to support leak-resistant sealing. It also includes a concentric transmission cooler and the necessary cap for the listed applications. This part cross-references APDI 8012447 and Spectra Premium CU2303 for the same application.

Common Cooling Issues It Can Address

• Coolant leaks from an aging radiator tank, seam, or gasket area
• Restricted cooling performance from a worn or damaged core
• Transmission fluid temperature concerns related to a failing internal cooler
• Overheating caused by deterioration in the original radiator assembly
• Fitment problems when replacing a damaged OE-style radiator on a Mazda Protege

Installation Notes and Tips

Verify vehicle configuration before installation: this radiator is listed for 2001-2002 Mazda Protege with AC and 2003 Mazda Protege with AC, excluding Mazdaspeed. Confirm inlet and outlet hose sizes, cooler line routing, and mounting points against the original unit before removal. Flush the cooling system, inspect hoses and clamps, and check the transmission cooler connections for contamination or wear during replacement.

Quality Assurance

OSC radiators are individually pressure tested during production, with cooler testing performed before tank installation and again after final assembly. The design uses OE-style engineering enhancements to improve durability and cooling performance while maintaining factory fit and function for Mazda Protege applications.