Denso 221-9291 Radiator

Overview of the Denso Radiator 221-9291 for Audi and Porsche

The Denso radiator part number 221-9291 is engineered to provide reliable cooling performance for select Audi and Porsche models. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature management in vehicles like the Audi A4 Quattro and Porsche Macan.

• Core Height: 28.35 inches
• Core Width: 19.41 inches
• Core Thickness: 1.42 inches
• Inlet Diameter: 1.52 inches
• Outlet Diameter: 1.52 inches
• Includes Transmission Oil Cooler

Technical Details and Design Features

This Denso radiator 221-9291 features a robust core measuring 28.35 inches in height, 19.41 inches in width, and 1.42 inches in thickness, ensuring optimal heat dissipation. The matching inlet and outlet diameters of 1.52 inches facilitate proper coolant flow, maintaining engine temperature stability. The integrated transmission oil cooler enhances the cooling system by managing transmission fluid temperature, which is critical for vehicles such as the Audi S4 and Porsche Cayenne.

Compatible Vehicles and Applications

This radiator is compatible with a range of Audi and Porsche models, including:

• Audi A4 Quattro
• Audi A5 Quattro
• Audi S4
• Audi S5
• Porsche Macan
• Porsche Q5
• Porsche SQ5

It is designed specifically for vehicles requiring a radiator with an integrated transmission oil cooler and precise core dimensions to maintain optimal engine and transmission performance.

Common Issues Addressed by This Radiator

• Overheating due to inefficient heat dissipation
• Transmission fluid overheating affecting transmission performance
• Coolant leaks from damaged or corroded radiator cores
• Reduced engine efficiency caused by improper coolant flow
• Failure of original radiator components in high-mileage vehicles

Installation Notes and Tips

• Ensure compatibility with your specific Audi or Porsche model before installation
• Inspect all hoses and clamps for wear and replace if necessary
• Flush the cooling system to remove debris before installing the new radiator
• Check transmission fluid levels after installation due to integrated cooler
• Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and performance. The 221-9291 radiator undergoes rigorous quality control to provide consistent cooling efficiency. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.