OSC 13338 OE Replacement Engine Coolant Radiator Aluminum Core

The OSC 13338 is a direct OE replacement engine coolant radiator engineered to restore factory-level cooling performance. Built to meet or exceed original equipment specifications, this radiator features an aluminum core with plastic tanks for a lightweight yet durable construction that delivers excellent thermal conductivity and long-term reliability.

OSC Heat Transfer Products designs each radiator to install as easily as the original unit — no modifications required. The one-row downflow design includes an integrated transmission oil cooler, making it a complete drop-in replacement for vehicles equipped with automatic transmissions. Each unit is pressure-tested before leaving the factory to ensure leak-free performance from day one.

Key Features:

• Direct OE replacement — precise fitment with no modifications needed
• Aluminum core with plastic tanks for optimized heat dissipation
• Single-row downflow design
• Integrated transmission oil cooler (TOC) for automatic transmission vehicles
• 1-3/8" inlet and outlet diameter
• Core height approximately 33.66", core width approximately 23.23", core thickness approximately 6.69"
• Pressure-tested for leak-free performance
• Meets or exceeds OE cooling specifications

Cross-reference numbers: CU13338, DPI 13338. OSC radiators are backed by a manufacturer warranty and are engineered to prevent overheating under both everyday driving and demanding conditions.