One Stop Solutions 2921 Radiator

Reliable Radiator Replacement for GM Trucks and SUVs

The One Stop Solutions radiator part number 2921 is engineered to provide dependable cooling performance for select Cadillac, Chevrolet, and GMC vehicles. Designed specifically for models like the Chevrolet Silverado 1500, GMC Sierra 2500, and Cadillac Escalade, this radiator ensures proper fitment and efficient heat dissipation.

• Hassle free installation with drop-in fit, form, and function
• Original equipment (O.E.) performance with enhanced cooling capabilities
• Includes a plated transmission oil cooler for integrated cooling
• Constructed with premium grade tubes, fins, headers, and plastic tanks
• Crossflow core design with 1 row and durable PA core material
• Tested up to three times during production for quality assurance
• Engineered enhancements to improve cooling efficiency and extend service life

Technical Specifications and Features

This radiator features a crossflow core measuring 17 1/4 inches in width, 34 inches in height, and 1 inch in thickness, constructed from PA core material for durability and heat transfer efficiency. The plastic tanks are designed to withstand thermal cycling and pressure variations. Both inlet and outlet headers measure 18 1/2 inches in length and 3 1/8 inches in width, accommodating inlet and outlet diameters of 1 5/16 inches and 1 9/16 inches respectively. The radiator includes a plated transmission oil cooler with fittings spaced 11 1/2 inches apart, supporting integrated transmission fluid cooling. This model does not include an engine oil cooler or radiator cap.

Compatible Vehicles and Applications

This radiator is compatible with a range of GM trucks and SUVs, including:

• Cadillac Escalade
• Chevrolet Avalanche and Avalanche 1500
• Chevrolet Silverado 1500
• Chevrolet Suburban 1500 and 2500
• Chevrolet Tahoe
• GMC Sierra 1500 and 2500
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Radiator

• Overheating due to radiator core damage or clogging
• Transmission fluid overheating from faulty or missing transmission oil cooler
• Leaks caused by cracked plastic tanks or worn seals
• Reduced cooling efficiency from corrosion or bent fins
• Incompatibility or poor fitment with original equipment radiators

Installation Notes and Tips

Installation of the One Stop Solutions radiator 2921 is straightforward due to its drop-in design. Ensure all fittings and hardware are torqued to factory specifications. Verify the transmission oil cooler lines are properly connected and free of leaks. Since the radiator does not include a cap, reuse the original or source a compatible cap separately. Inspect hoses and clamps during installation and replace if necessary to maintain system integrity.

Quality Assurance and Warranty

Each radiator undergoes up to three quality tests during production to verify performance and durability. Components such as tubes, fins, headers, and tanks are manufactured to meet or exceed original equipment standards. The product includes engineering enhancements aimed at resolving original design issues and improving longevity. Warranty details should be confirmed with the distributor or manufacturer.