Keystone FO3010331 OEM Replacement Radiator for Ford Mustang V6 and GT

The Keystone FO3010331 is an OEM-replacement radiator engineered to restore proper engine cooling on the 2015–2023 Ford Mustang. Designed as a direct-fit replacement, this radiator matches the original factory specifications for straightforward, no-modification installation. It replaces Ford OEM part numbers FR3Z-8005-G, FR3Z-8005-A, and FR3Z-8005-B and carries the Partslink number FO3010331.

Constructed with an aluminum core and plastic end tanks, this single-row radiator assembly provides reliable heat dissipation to protect your Mustang's engine under normal driving conditions. The 1½-inch inlet and outlet connections and a core size of approximately 25¼" × 19½" × 1 7/16" ensure an accurate fit and proper coolant flow.

Key Specifications:

• Radiator type: Single-row assembly
• Construction: Aluminum core with plastic end tanks
• Inlet size: 1½ inch
• Outlet size: 1½ inch
• Top header: 20" × 2"
• Bottom header: 20" × 2"
• Core size: 25¼" × 19½" × 1 7/16"
• Partslink number: FO3010331

OEM Cross-Reference Part Numbers:

• Ford OEM: FR3Z-8005-G, FR3Z-8005-A (FR3Z8005A), FR3Z-8005-B (FR3Z8005B)
• Also known as: RAD126

This radiator covers 2015–2017 Ford Mustang models equipped with the 3.7L V6 engine, as well as 2018–2023 Mustang GT models with the 5.0L V8 engine (excluding the Performance Package, which uses a separate, upgraded radiator). Keystone's OEM-style collision and mechanical replacement parts are trusted by body shops and repair professionals nationwide for their fit, finish, and reliability.