One Stop Solutions 2791 Radiator

Reliable Radiator Replacement for Chevrolet and GMC Vans

The One Stop Solutions radiator part number 2791 is designed specifically for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Engineered to meet OE specifications, this radiator ensures efficient cooling and durability for your vehicle's engine and transmission systems.

• Hassle free installation with drop-in fit, form, and function
• Includes transmission and engine oil coolers with plated cooler types
• Core dimensions: 34" height, 26" thickness, 17 1/4" width for optimal heat dissipation
• Plastic tanks and premium grade core materials for corrosion resistance
• Crossflow design with one core row for effective coolant flow
• Fittings and components torqued to factory specifications
• Tested up to three times during production for quality assurance
• Engineering enhancements address original design issues for longer service life

Detailed Radiator Specifications and Features

This radiator features a core height of 34 inches, a core thickness of 26 inches, and a core width of 17 1/4 inches, providing ample surface area for heat exchange. The core material is PA (polyamide), paired with durable plastic tanks to resist corrosion and wear. Both inlet and outlet header lengths measure 18 1/2 inches with widths of 3 1/8 inches, supporting efficient coolant flow. The radiator includes a crossflow design with a single core row, optimizing cooling performance for heavy-duty applications.

Transmission and engine oil coolers are integrated, both utilizing plated cooler types with fittings spaced 11 1/2 inches apart. The inlet diameter is 1 5/16 inches, and the outlet diameter is 1 9/16 inches, ensuring compatibility with factory hoses. This radiator is engineered to meet OE performance standards, with all components fitted and torqued to factory specifications for reliable operation.

Compatible Vehicles and Common Applications

This radiator is compatible with the following vehicles:

• Chevrolet Express 2500
• Chevrolet Express 3500
• GMC Savana 2500
• GMC Savana 3500

It is designed to address common cooling system issues such as:

• Overheating due to radiator core damage or clogging
• Transmission fluid overheating from faulty or missing oil coolers
• Leaks caused by cracked plastic tanks or worn seals
• Reduced cooling efficiency from corrosion or debris buildup
• Failure of original radiator components leading to engine performance issues

Installation Notes and Tips

Installation of the One Stop Solutions radiator 2791 is straightforward due to its drop-in design. Ensure all fittings and hoses match the specified inlet and outlet diameters (1 5/16" inlet, 1 9/16" outlet). Verify that the transmission and engine oil cooler fittings align with the 11 1/2" spacing. Use factory torque specifications when securing components to avoid damage. It is recommended to flush the cooling system before installation to prevent contamination and ensure optimal performance.

Quality Assurance and Warranty Information

Each radiator undergoes rigorous testing up to three times during production to verify performance and durability. The product incorporates engineering enhancements to improve cooling efficiency and extend service life compared to original equipment. While a cap is not included, the radiator is manufactured to meet or exceed OE standards. Warranty details should be confirmed with the distributor or manufacturer to ensure coverage.