OSC 2620 Radiator with Engine Oil Cooler

The OSC 2620 is a premium OEM-replacement radiator designed specifically for 2001-2005 Cadillac DeVille and 2004-2005 Pontiac Bonneville vehicles equipped with 4.6L V8 engines. This high-quality radiator features an engine oil cooler (EOC) and transmission oil cooler for complete engine cooling management.

Key Features:

• Premium grade aluminum core with plastic tanks for optimal heat dissipation and durability
• Integrated engine oil cooler and transmission oil cooler for comprehensive cooling
• Cadmium-plated tubes inside and out to prevent premature failure and corrosion
• Precision-engineered to OE specifications for exact fit, form, and function
• 100% pressure tested up to three times during production for leak-free performance
• Drop-in installation with all necessary fittings and hardware included
• Enhanced design features to overcome original equipment limitations

OSC radiators are manufactured using premium Alcoa aluminum and undergo rigorous testing to ensure reliable cooling performance under all driving conditions. Each radiator is engineered to maintain consistent coolant flow and efficient heat dissipation, preventing engine overheating and extending engine life. Backed by OSC's commitment to quality and precision manufacturing standards.

Important: Always flush and replace antifreeze coolant when installing a new radiator to prevent premature failure. Replaces GM OEM part numbers 52486949 and 52486950.