One Stop Solutions 569 Radiator

OSC Premium Radiator for GM A-Body and B-Body Applications

The One Stop Solutions OSC Premium New Automotive Radiator, part number 569, is built for direct replacement service on a wide range of classic GM vehicles. It is engineered for OES form and function, with a premium aluminum construction and a 20 3/4-inch core layout for the listed applications.

Key Features

• Part number 569 radiator with drop-in fit, form, and function
• Premium grade aluminum tubes, fins, headers, and tanks for added durability
• Cadmium-plated tubes inside and out to help resist premature failure
• Die-cut gasket design for leak resistance
• Concentric transmission oil cooler design where originally equipped
• Core enhancements such as added fins per inch and thicker core construction
• Each unit is pressure tested during production
• Cap not included

Detailed Description

OSC part number 569 is a replacement radiator designed for vehicles such as the Chevrolet Monte Carlo, Buick Regal, Chevrolet El Camino, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and other listed GM models. It uses a 1-inch core thickness and a PA core material specification, with no engine oil cooler and no radiator cap included. The radiator is built to factory-style dimensions and cooling layout, making it a practical choice for restoring cooling performance on older vehicles that need a direct-fit replacement.

This part cross-references APDI 8010569 and Baldwin 20051 for the same application.

Vehicle Fitment

• Fits 1979-1988 Chevrolet Monte Carlo, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1987 Buick Regal, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1987 Chevrolet El Camino, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1987 Oldsmobile Cutlass Supreme, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1987 Pontiac Grand Prix, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1980-1986 Chevrolet Caprice, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1980-1986 Pontiac Bonneville, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1984-1986 Pontiac Parisienne, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1978-1985 Buick LeSabre, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1980-1985 Chevrolet Impala, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1985 Oldsmobile Delta 88, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1978-1983 Chevrolet Malibu, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1981-1983 Oldsmobile 98, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1981 Buick Century, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1981 Oldsmobile Cutlass, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1980-1981 Pontiac Catalina, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1981 Pontiac Grand LeMans, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979-1981 Pontiac LeMans, N/A; 20 3/4" CORE; 2 ROW Equivalent
• Fits 1979 Pontiac Grand Am, N/A; 20 3/4" CORE; 2 ROW Equivalent

Common Problems This Radiator Can Address

• Leaking or aging radiator tanks and seams
• Reduced cooling efficiency in high-mileage vehicles
• Transmission cooler wear in radiator-equipped cooling systems
• Fitment issues caused by non-OE-style replacement parts
• Cooling system service needs on classic Chevrolet, Buick, Oldsmobile, and Pontiac models

Installation Notes and Tips

Verify core size, hose routing, and transmission cooler connection style before installation. This radiator is built for the listed applications and includes the necessary fittings or hardware for the unit, but the radiator cap is not included. For best results, flush the cooling system and inspect hoses, clamps, and mounts before installing part number 569.

Quality Assurance

OSC tests the transmission and engine oil coolers before assembly, tests the core prior to assembly, and tests the completed radiator again after assembly. The design also incorporates engineering updates aimed at improving cooling performance and service life in higher-mileage vehicles.