One Stop Solutions 2590 Radiator

Reliable Radiator Replacement for Audi A4 and A6 Quattro

The One Stop Solutions radiator part number 2590 is designed specifically for Audi A4, A4 Quattro, and A6 Quattro models. Engineered to meet OE performance standards, this radiator ensures efficient cooling and durability for your vehicle's engine and transmission system.

• Hassle free installation with drop-in fit, form, and function
• OE performance and exceptional 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
• Includes plated transmission oil cooler with fittings
• 100% tested up to three times during production
• Design improvements to address original radiator failures

Technical Specifications and Features

This radiator features a crossflow design with a core height of 24 7/8 inches, core width of 17 1/4 inches, and a core thickness of 1-1/4 inches. The core is constructed from premium PA material, while the tanks are made of durable plastic. Both inlet and outlet diameters measure 1 1/4 inches, with header lengths of 18 1/16 inches and widths of 1 7/8 inches. The radiator includes a plated transmission oil cooler with fittings spaced 11 13/16 inches apart, enhancing transmission fluid cooling. It is a single-row core radiator without an engine oil cooler.

Compatible Vehicles and Applications

This radiator is compatible with the following Audi models:

• Audi A4
• Audi A4 Quattro
• Audi A6 Quattro

It is designed to replace original equipment radiators, providing reliable cooling performance for these specific vehicles.

Common Issues Addressed by This Radiator

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating from inefficient cooling
• Leaks or cracks in plastic tanks or headers
• Reduced cooling efficiency from corrosion or wear
• Failure of original radiator components causing poor heat dissipation

Installation Notes and Tips

The One Stop Solutions radiator 2590 is designed for a direct drop-in replacement, requiring no modifications. All necessary fittings and hardware are included or compatible with factory components. Ensure all connections are torqued to factory specifications to prevent leaks. It is recommended to flush the cooling system and inspect hoses during installation for optimal performance.

Quality Assurance and Warranty

Each radiator undergoes rigorous testing up to three times during production to ensure reliability and performance. The product incorporates engineering enhancements to improve durability and address known design issues. While specific warranty details are not provided, One Stop Solutions products are manufactured to meet or exceed OEM standards for quality and fitment.