OSC 2691 Aluminum Radiator with Engine Oil Cooler

The OSC 2691 is a direct-fit replacement radiator engineered to meet or exceed OEM specifications for vehicles equipped with 5.6L engines. This enhanced radiator features an aluminum core with plastic end tanks and an integrated engine oil cooler, providing superior thermal management for both engine coolant and oil systems.

Key Features:

• Aluminum core construction with 1-1/4" core thickness for improved heat dissipation
• Premium grade Alcoa aluminum with cadmium-plated tubes inside and out to prevent premature failure
• Integrated engine oil cooler tested prior to installation
• Exact-fit design based on OEM models for drop-in installation
• Enhanced design addresses original equipment design failures for extended service life
• Includes all necessary fittings and hardware for easy installation
• Triple-tested during production: oil cooler testing, core testing before assembly, and complete unit testing after assembly
• Rigorous quality control including cycle, vibration, burst, and environmental testing

OSC radiators are constructed using premium grade tubes, fins, headers, and tanks, following factory construction standards to maintain engine and transmission longevity. Each unit is individually pressure tested and engineered to provide reliable cooling performance for high-mileage vehicles and demanding operating conditions.