One Stop Solutions 571 Radiator

Reliable Radiator Replacement for Buick, Chevrolet, Oldsmobile, and Pontiac

The One Stop Solutions radiator part number 571 is engineered to provide dependable cooling performance for a range of classic and late-model vehicles. Designed specifically for models such as the Chevrolet Camaro, Buick LeSabre, Pontiac Firebird, and Oldsmobile Cutlass, this radiator ensures proper fitment and efficient heat dissipation.

• Hassle free installation with drop-in fit, form, and function
• OE performance with premium grade tubes, fins, headers, and plastic tanks
• Engineering enhancements improve cooling efficiency and extend service life
• Includes concentric transmission oil cooler with 1 1/4 inch diameter
• Crossflow core design with 1-row core thickness for optimal heat exchange
• Components fitted and torqued to factory specifications
• 100% tested up to three times during production for quality assurance

Technical Specifications and Design Features

This radiator features a crossflow core measuring 20 3/4 inches in height, 17 1/4 inches in width, and 1-5/8 inches thick, constructed with premium PA core material and durable plastic tanks. The inlet and outlet headers both measure 18 9/16 inches in length and 2 5/16 inches in width, designed to maintain proper coolant flow. The inlet diameter is 1 5/16 inches, while the outlet diameter is 1 9/16 inches, ensuring compatibility with original cooling system hoses.

Included is a concentric transmission oil cooler with fittings spaced 8 1/2 inches apart, supporting transmission fluid cooling without the need for an engine oil cooler. The radiator’s single core row design balances cooling capacity with compact size, suitable for vehicles requiring efficient heat management in limited space.

Compatible Vehicles and Applications

This radiator is compatible with a variety of Buick, Chevrolet, Oldsmobile, and Pontiac models, including but not limited to:

• Buick LeSabre, Century, Regal
• Chevrolet Camaro, Caprice, Impala, Monte Carlo, Nova
• Oldsmobile Cutlass, Cutlass Supreme, Delta 88, 98
• Pontiac Firebird, Grand Prix, Catalina, Parisienne

Part number 571 is designed to replace original radiators in these vehicles, providing a direct fit and restoring proper cooling system function.

Common Issues Addressed by This Radiator

• Overheating due to clogged or damaged original radiator cores
• Transmission fluid overheating from inefficient or missing transmission oil cooler
• Leaks caused by cracked plastic tanks or corroded metal components
• Reduced cooling performance from bent fins or internal blockages
• Failure of original design components leading to premature radiator wear

Installation Notes and Tips

Installation of the One Stop Solutions radiator 571 is straightforward with its drop-in design. Ensure all fittings and hoses match the specified inlet and outlet diameters (1 5/16 inch inlet, 1 9/16 inch outlet) for proper sealing. Torque all mounting hardware to factory specifications to avoid leaks or damage. The included concentric transmission oil cooler requires connection to transmission fluid lines with fittings spaced 8 1/2 inches apart. No engine oil cooler is included or required for this part.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to verify leak-free operation and cooling efficiency. Components are assembled and torqued to meet factory specifications, ensuring consistent performance. One Stop Solutions provides a limited warranty covering defects in materials and workmanship, supporting long-term reliability for your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle.