Part #: RA2563C

Universal Air RA2563C Radiator

Downflow Radiator
⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Downflow Radiator
🚗Fitment: Buick, Chevrolet, GMC, Isuzu, and Saab, 9-7x, Ascender, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
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Reliable Cooling Solution for Select GM and Isuzu Vehicles

The Universal Air Downflow Radiator RA2563C is designed to provide efficient engine cooling for a range of mid-size SUVs and crossovers. Engineered to meet the cooling demands of vehicles like the Chevrolet Trailblazer and GMC Envoy, this radiator supports optimal engine performance under various driving conditions.

  • Compatible with Buick, Chevrolet, GMC, Isuzu, and Saab models
  • Fits Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Buick Rainier, and Saab 9-7x
  • Part number RA2563C for precise identification and fitment
  • Part of the Universal Air Downflow Radiator product line
  • Designed for efficient heat dissipation and engine temperature regulation

About the Universal Air Downflow Radiator Line

The Downflow Radiator line by Universal Air focuses on radiators that direct coolant flow downward through the core, enhancing heat exchange efficiency. This design supports consistent engine cooling performance, particularly in SUVs and crossovers with moderate to high engine loads. The RA2563C model is part of this line, ensuring compatibility and reliable operation for the specified vehicle applications.

Product Details and Compatibility

The RA2563C radiator is engineered to fit a variety of vehicles including the Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy series (Envoy, Envoy XL, Envoy XUV), Isuzu Ascender, Buick Rainier, and Saab 9-7x. This radiator is designed to maintain proper engine temperature by efficiently dissipating heat, which is critical for preventing overheating and maintaining engine longevity. Its construction meets the specifications required for these models, ensuring a proper fit and function.

Common Issues Addressed by This Radiator

  • Engine overheating due to radiator failure or inefficiency
  • Coolant leaks from damaged or corroded radiator cores
  • Reduced cooling performance impacting engine operation
  • Replacement for worn or clogged radiators in Buick Rainier and GMC Envoy vehicles
  • Maintaining optimal engine temperature in Chevrolet Trailblazer and Isuzu Ascender models

Installation Notes and Tips

When installing the Universal Air RA2563C radiator, ensure the vehicle is compatible by verifying make and model fitment. Properly drain the cooling system before removal of the old radiator. Inspect hoses and clamps for wear and replace if necessary to prevent leaks. After installation, refill the cooling system with the recommended coolant and bleed air pockets to avoid overheating issues.

Quality Assurance and Warranty

Universal Air radiators are manufactured to meet industry standards for durability and performance. While specific warranty details for part number RA2563C are not provided here, Universal Air typically offers coverage against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms.

This part fits 44 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2009ChevroletTrailblazerLT5.3LV8N/ADownflow Radiator
2009ChevroletTrailblazerSS6.0LV8N/ADownflow Radiator
2009GMCEnvoyDenali5.3LV8N/ADownflow Radiator
2009Saab9-7x5.3i5.3LV8N/ADownflow Radiator
2008ChevroletTrailblazerLT5.3LV8N/ADownflow Radiator
2008ChevroletTrailblazerSS6.0LV8N/ADownflow Radiator
2008ChevroletTrailblazerBase5.3LV8N/ADownflow Radiator
2008GMCEnvoyDenali5.3LV8N/ADownflow Radiator
2008Saab9-7x5.3i5.3LV8N/ADownflow Radiator
2007BuickRainier5.3LV8N/ADownflow Radiator
2007ChevroletTrailblazerSS6.0LV8N/ADownflow Radiator
2007ChevroletTrailblazerLS5.3LV8N/ADownflow Radiator
2007ChevroletTrailblazerLT5.3LV8N/ADownflow Radiator
2007GMCEnvoyDenali5.3LV8N/ADownflow Radiator
2007Saab9-7x5.3i5.3LV8N/ADownflow Radiator
2006BuickRainier5.3LV8N/ADownflow Radiator
2006ChevroletTrailblazerLS5.3LV8N/ADownflow Radiator
2006ChevroletTrailblazerLT5.3LV8N/ADownflow Radiator
2006ChevroletTrailblazerSS6.0LV8N/ADownflow Radiator
2006ChevroletTrailblazer EXT5.3LV8N/ADownflow Radiator
2006GMCEnvoyDenali5.3LV8N/ADownflow Radiator
2006GMCEnvoy XLDenali5.3LV8N/ADownflow Radiator
2006IsuzuAscenderLS5.3LV8N/ADownflow Radiator
2006Saab9-7x5.3i5.3LV8N/ADownflow Radiator
2005BuickRainier5.3LV8N/ADownflow Radiator
2005ChevroletTrailblazer EXT5.3LV8N/ADownflow Radiator
2005GMCEnvoyDenali5.3LV8N/ADownflow Radiator
2005GMCEnvoy XLSLE5.3LV8N/ADownflow Radiator
2005GMCEnvoy XLDenali5.3LV8N/ADownflow Radiator
2005GMCEnvoy XLSLT5.3LV8N/ADownflow Radiator
2005GMCEnvoy XUV5.3LV8N/ADownflow Radiator
2005IsuzuAscenderLS5.3LV8N/ADownflow Radiator
2005IsuzuAscenderLimited5.3LV8N/ADownflow Radiator
2005IsuzuAscenderS5.3LV8N/ADownflow Radiator
2005Saab9-7xArc5.3LV8N/ADownflow Radiator
2004BuickRainier5.3LV8N/ADownflow Radiator
2004ChevroletTrailblazer EXT5.3LV8N/ADownflow Radiator
2004GMCEnvoy XL5.3LV8N/ADownflow Radiator
2004GMCEnvoy XUV5.3LV8N/ADownflow Radiator
2004IsuzuAscenderLS5.3LV8N/ADownflow Radiator
2004IsuzuAscenderLimited5.3LV8N/ADownflow Radiator
2003ChevroletTrailblazer EXT5.3LV8N/ADownflow Radiator
2003GMCEnvoy XL5.3LV8N/ADownflow Radiator
2003IsuzuAscender5.3LV8N/ADownflow Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.