OSC 1212 Aluminum Crossflow Radiator with Transmission Cooler

The OSC 1212 is an OEM-quality replacement radiator designed for exact fit installation on select Buick, Chevrolet, and Oldsmobile vehicles equipped with 4.3L, 5.0L, or 5.7L engines. This crossflow radiator features aluminum and plastic construction with an integrated transmission cooler, providing reliable engine cooling and extended service life for models with engine oil coolers.

Key Features:

• Precise OEM fitment for seamless installation with durable aluminum construction offering excellent thermal conductivity and corrosion resistance
• Technically advanced design made from premium grade Alcoa aluminum with cadmium-plated tubes inside and out to prevent premature failure
• Engineered to maintain consistent coolant flow and efficient heat dissipation under varying driving conditions with robust design built to last
• Undergoes state-of-the-art testing up to three times during production including cycle, vibration, burst, and environment testing
• Individually pressure tested and engineered for multi-fit with all necessary fittings and hardware included
• Crossflow design with integrated transmission cooler for automatic transmissions

OSC radiators are designed to fit as easily as the stock model using OEM models as a baseline, meeting or exceeding originals with the highest grade raw components and factory construction standards. OSC prides itself on solving OE design failures to provide radiators with better life expectancies than the originals, making this an ideal choice for vehicle owners seeking reliable, long-lasting cooling system performance.