Part #: 2458C

Global Parts 2458C Radiator

⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada
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Overview of Global Parts Radiator 2458C

The Global Parts radiator 2458C is engineered for reliable cooling performance in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Designed specifically for models like the Trailblazer, Envoy, and Ascender, this radiator supports efficient engine operation and transmission cooling.

  • Core thickness: 25.4 mm (1 inch)
  • Aluminum core material for effective heat dissipation
  • Plastic tank construction for durability and corrosion resistance
  • Includes transmission oil cooler with 11.5 inch fitting distance
  • Down flow core design with a single row and 73 fins per 4 inches
  • Inlet diameter: 1.38 inches (35.05 mm)
  • Outlet diameter: 1.6 inches (40.64 mm)
  • Compatible with multiple GM and related models

Technical Details and Construction

The Global Parts radiator 2458C features a 25.4 mm thick aluminum core that provides efficient heat transfer to maintain optimal engine temperatures. The plastic tanks reduce weight and resist corrosion, extending the radiator's service life. This radiator includes an integrated transmission oil cooler, with fittings spaced 11.5 inches apart, supporting vehicles equipped with automatic transmissions. The down flow design and single core row with 73 fins per 4 inches optimize airflow and cooling capacity. Inlet and outlet diameters are precisely sized at 1.38 inches and 1.6 inches respectively to ensure proper coolant flow.

Compatible Vehicles and Applications

This radiator is compatible with a range of vehicles including Buick 9-7x, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, and Saab models. The part number 2458C is specifically designed to meet the cooling requirements of these models, ensuring proper fit and function.

  • Prevents engine overheating during extended operation
  • Maintains transmission fluid temperature with built-in cooler
  • Reduces risk of coolant leaks and tank corrosion
  • Supports engine efficiency and longevity
  • Helps avoid costly engine and transmission damage

Installation Notes and Tips

When installing the Global Parts radiator 2458C, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Verify the transmission oil cooler fittings align with the 11.5 inch spacing. It is recommended to flush the cooling system before installation to remove debris and old coolant. Properly torque mounting bolts and check for leaks after installation. Use manufacturer-recommended coolant to maintain system integrity.

Quality Assurance and Warranty

Global Parts radiators are manufactured to meet OEM specifications for fit, form, and function. The 2458C radiator undergoes quality control testing to ensure durability and performance. While specific warranty details may vary, Global Parts typically offers coverage against defects in materials and workmanship. Consult product documentation for exact warranty terms.

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletTrailblazer5.3LV8N/A
2009ChevroletTrailblazer4.2LL6N/A
2009GMCEnvoy4.2LL6N/A
2009GMCEnvoy5.3LV8N/A
2009Saab9-7x4.2LL6N/A
2008ChevroletTrailblazer4.2LL6N/A
2008GMCEnvoy4.2LL6N/A
2008IsuzuAscender4.2LL6N/A
2008Saab9-7x4.2LL6N/A
2007BuickRainier4.2LL6N/A
2007ChevroletTrailblazer4.2LL6N/A
2007GMCEnvoy4.2LL6N/A
2007IsuzuAscender4.2LL6N/A
2007Saab9-7x4.2LL6N/A
2006BuickRainier4.2LL6N/A
2006ChevroletTrailblazer4.2LL6N/A
2006ChevroletTrailblazer EXT4.2LL6N/A
2006GMCEnvoy4.2LL6N/A
2006GMCEnvoy XL4.2LL6N/A
2006IsuzuAscender4.2LL6N/A
2006Saab9-7x4.2LL6N/A
2005BuickRainier4.2LL6N/A
2005ChevroletTrailblazer4.2LL6N/A
2005ChevroletTrailblazer EXT4.2LL6N/A
2005GMCEnvoy4.2LL6N/A
2005GMCEnvoy XL4.2LL6N/A
2005GMCEnvoy XUV4.2LL6N/A
2005IsuzuAscender4.2LL6N/A
2005Saab9-7x4.2LL6N/A
2004BuickRainier4.2LL6N/A
2004ChevroletTrailblazer4.2LL6N/A
2004ChevroletTrailblazer EXT4.2LL6N/A
2004GMCEnvoy4.2LL6N/A
2004GMCEnvoy XL4.2LL6N/A
2004GMCEnvoy XUV4.2LL6N/A
2004IsuzuAscender4.2LL6N/A
2004OldsmobileBravada4.2LL6N/A
2003ChevroletTrailblazer4.2LL6N/A
2003ChevroletTrailblazer EXT4.2LL6N/A
2003GMCEnvoy4.2LL6N/A
2003GMCEnvoy XL4.2LL6N/A
2003IsuzuAscender4.2LL6N/A
2003OldsmobileBravada4.2LL6N/A
2002ChevroletTrailblazer4.2LL6N/A
2002ChevroletTrailblazer EXT4.2LL6N/A
2002GMCEnvoy4.2LL6N/A
2002GMCEnvoy XL4.2LL6N/A
2002OldsmobileBravada4.2LL6N/A

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.