One Stop Solutions 13146 Radiator

Reliable Radiator Replacement for Buick and Chevrolet Vehicles

The One Stop Solutions radiator part number 13146 is designed specifically for select Buick and Chevrolet models, including the Impala, Impala Limited, LaCrosse, Malibu, and Regal. This radiator offers a crossflow design with integrated transmission oil cooler to maintain optimal engine and transmission temperatures.

• Core dimensions: 26 3/4" height, 15 5/8" width, and 1" thickness
• Plastic tanks with premium grade core material (PA) for durability
• Includes plated transmission oil cooler with 11 1/2" fitting spacing
• Crossflow core with a single row for efficient cooling
• Inlet and outlet diameters of 1 5/16" with 2" header widths
• Drop-in fit with all necessary fittings and hardware included
• Tested up to three times during production for quality assurance

Technical Details and Construction

This radiator features a crossflow core design that enhances heat dissipation by allowing coolant to flow horizontally through the core. The core is constructed from PA material, providing a balance of strength and corrosion resistance. Plastic tanks reduce weight while maintaining structural integrity. The integrated transmission oil cooler uses plated components to resist wear and improve heat transfer, with fittings spaced 11 1/2" apart to match factory specifications. Both inlet and outlet headers measure 16 3/16" in length and 2" in width, ensuring compatibility with the vehicle's cooling system. The radiator’s single core row and 1" thickness support efficient cooling without compromising fitment.

Compatible Vehicles and Applications

This radiator is compatible with the following makes and models:

• Buick LaCrosse
• Buick Regal
• Chevrolet Impala
• Chevrolet Impala Limited
• Chevrolet Malibu

It is designed to replace original equipment radiators in these vehicles, providing OE performance and addressing common cooling system issues.

Common Issues Addressed by This Radiator

• Overheating due to clogged or damaged radiator cores
• Coolant leaks from cracked or worn plastic tanks
• Transmission overheating from faulty or missing transmission oil coolers
• Reduced cooling efficiency caused by corrosion or bent fins
• Fitment problems with aftermarket radiators lacking proper dimensions

Installation Notes and Tips

The One Stop Solutions radiator 13146 is designed for hassle-free installation with a drop-in fit, form, and function. All necessary fittings and hardware are included, and components are pre-fitted and torqued to factory specifications. When installing, ensure the transmission oil cooler fittings align correctly with the vehicle’s lines, and verify that inlet and outlet hoses match the 1 5/16" diameter connections. It is recommended to flush the cooling system before installation to prevent contamination and ensure optimal performance.

Quality Assurance and Warranty

Each radiator undergoes up to three quality tests during production to verify durability and performance. The product meets OE standards for materials and construction, including premium grade tubes, fins, headers, and tanks. While specific warranty details are not provided, One Stop Solutions products are engineered to meet factory specifications and include enhancements to improve cooling efficiency and longevity.