One Stop Solutions 2691 Radiator

Reliable Radiator Replacement for Nissan and Infiniti Vehicles

The One Stop Solutions radiator part number 2691 is designed to provide dependable cooling performance for select Nissan and Infiniti models. Engineered to meet OE specifications, this radiator ensures efficient heat dissipation and supports vehicle longevity.

• Hassle free installation for quick replacement
• OE performance with premium quality materials
• Engineering enhancements for improved cooling and extended service life
• Components fitted and torqued to factory specifications
• Premium grade tubes, fins, headers, and plastic tanks
• Drop-in fit with all necessary fittings and hardware included
• 100% tested up to three times during production
• Design improvements to address original radiator issues

Technical Specifications and Features

This radiator features a downflow core design with a single row core measuring 23 7/16 inches in height, 27 3/16 inches in width, and 1 1/4 inches in thickness. The core is constructed from PA material, paired with durable plastic tanks. Both inlet and outlet headers measure 27 9/16 inches in length and 3 3/16 inches in width, ensuring proper coolant flow. The inlet and outlet diameters are 1 3/8 inches, compatible with factory hoses.

Included is a concentric transmission oil cooler with a 1 1/2 inch diameter and 18 1/8 inch distance between fittings, supporting automatic transmission cooling needs. This radiator does not include an engine oil cooler or cap.

Compatible Vehicles and Applications

This radiator is compatible with the following Nissan and Infiniti models: Armada, Pathfinder Armada, QX56, and TITAN. It is designed to replace the original radiator and transmission oil cooler assembly, providing reliable cooling performance for these vehicles.

Common Issues Addressed by This Radiator

• Overheating due to clogged or damaged radiator cores
• Transmission fluid overheating from faulty or inefficient coolers
• Leaks caused by cracked plastic tanks or corroded components
• Reduced cooling efficiency from bent fins or damaged tubes
• Premature radiator failure from original design weaknesses

Installation Notes and Tips

Installation of the One Stop Solutions radiator 2691 is straightforward with a drop-in fit design. Ensure all factory fittings and hardware are reused or replaced as necessary. Verify hose connections match the 1 3/8 inch inlet and outlet diameters. Properly torque all components to factory specifications to avoid leaks and ensure optimal performance.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to ensure durability and performance. Components are assembled and torqued to meet factory standards. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OE quality requirements, supporting reliable operation in Nissan Armada, Pathfinder Armada, QX56, and TITAN vehicles.