Part #: 3108

CSF 3108 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 62 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row Plastic Tank Aluminum Core
🚗Fitment: Chevrolet, GMC, Saab, Buick, and Isuzu, Trailblazer, Envoy, 9-7x, Rainier, Trailblazer EXT, Envoy XL, Ascender, and Envoy XUV
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Overview of CSF 3108 Radiator for Buick, Chevrolet, GMC, Isuzu, and Saab

The CSF 3108 radiator is designed specifically for select Buick, Chevrolet, GMC, Isuzu, and Saab models, including the Trailblazer, Envoy, and 9-7x. This radiator features a durable aluminum core combined with plastic tanks, engineered to provide reliable cooling performance for your vehicle's engine.

  • Core thickness: 15/16 inch
  • Core width: 27 1/16 inches
  • Core length: 18 1/8 inches
  • Aluminum core with plastic tanks
  • Down flow design for efficient coolant circulation
  • Inlet diameter: 1 3/8 inches (right side)
  • Outlet diameter: 1 9/16 inches (right side)
  • Single core row configuration
  • Includes high-efficiency plate type oil cooler (11 1/2 inches)
  • OEM style plastic tanks with quick-connect oil fittings

Details on the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core product line combines lightweight plastic tanks with a robust aluminum core to balance durability and heat dissipation. This design supports efficient engine cooling while maintaining compatibility with original equipment manufacturer (OEM) specifications. The 1-row core configuration is optimized for vehicles requiring a compact radiator solution without compromising cooling capacity.

Technical Description of the CSF 3108 Radiator

This radiator features a 15/16 inch thick aluminum core measuring 27 1/16 inches wide and 18 1/8 inches long, providing effective heat exchange. The down flow design ensures coolant flows from top to bottom, enhancing thermal management. The plastic tanks are engineered to OEM standards and include quick-connect fittings for the integrated 11 1/2 inch high-efficiency plate type oil cooler. Inlet and outlet diameters are 1 3/8 inches and 1 9/16 inches respectively, both positioned on the right side to match factory configurations. The single core row design supports vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Buick Rainier.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Buick, Chevrolet, GMC, Isuzu, and Saab models
  • Improves engine cooling efficiency in Trailblazer, Envoy, and 9-7x vehicles
  • Resolves overheating caused by core corrosion or tank failure
  • Restores proper coolant flow with OEM-style plastic tanks and aluminum core
  • Supports oil cooling needs with integrated high-efficiency oil cooler

Installation Notes and Tips

  • Ensure compatibility with vehicle make and model before installation
  • Check inlet and outlet hose sizes (1 3/8 inch inlet, 1 9/16 inch outlet) for proper fit
  • Use OEM recommended coolant and follow manufacturer torque specifications
  • Inspect and replace radiator cap separately as this unit does not include a cap
  • Verify oil cooler connections for secure quick-connect fittings

Quality Assurance and Warranty Information

The CSF 3108 radiator is manufactured to meet OEM standards for fit, form, and function. It is constructed with corrosion-resistant aluminum core and durable plastic tanks to ensure long service life. This radiator is not classified as hazardous material and is designed for professional installation. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.

BrandCSF
Part Number3108
Position1 Row Plastic Tank Aluminum Core
Box Height (in)8
Box Length (in)31
Box Weight (lbs)15
Box Width (in)29
Cap IncludedNo
Core Length18 1/8
Core MaterialAluminum
Core Thickness15/16
Core Width27 1/16
Down Flow Or Cross Flow TypeDown Flow
Hazardous MaterialNo
Inlet Diameter1 3/8 Right
Inlet Length (in)27 3/16
Inlet Width (in)1 15/16
Oil Cooler (in)11 1/2 (high-efficiency Plate Type)
Outlet Diameter1 9/16 Right
Outlet Length (in)27 3/16
Outlet Width (in)1 15/16
Radiator Core Row Quantity1
Tank MaterialPlastic
Tech NoteO.E.M style plastic tanks & Aluminum core;with quick-connect oil cooler fittings.

This part fits 62 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletTrailblazer6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2009GMCEnvoy5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2009GMCEnvoy4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2009Saab9-7x6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2009Saab9-7x5.3LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2008ChevroletTrailblazer6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2008ChevroletTrailblazer6.0LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2008ChevroletTrailblazer4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2008ChevroletTrailblazer5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2008GMCEnvoy5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2008GMCEnvoy4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2008Saab9-7x6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2008Saab9-7x5.3LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2007BuickRainier5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007ChevroletTrailblazer6.0LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007ChevroletTrailblazer6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2007ChevroletTrailblazer4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007ChevroletTrailblazer5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007GMCEnvoy5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007GMCEnvoy4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2007Saab9-7x5.3LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2006BuickRainier5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer6.0LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer6.0LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer EXT4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006ChevroletTrailblazer EXT5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006GMCEnvoy4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006GMCEnvoy5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006GMCEnvoy XL4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006GMCEnvoy XL5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006IsuzuAscender4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006IsuzuAscender5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2006Saab9-7x5.3LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2005BuickRainier5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005ChevroletTrailblazer EXT5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005ChevroletTrailblazer EXT4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy XL4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy XL5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy XUV5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005GMCEnvoy XUV4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005IsuzuAscender4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005IsuzuAscender5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2005Saab9-7x5.3LV8N/AOE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core
2004BuickRainier5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004ChevroletTrailblazer EXT5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004ChevroletTrailblazer EXT4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004GMCEnvoy XL4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004GMCEnvoy XL5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004GMCEnvoy XUV4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004GMCEnvoy XUV5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004IsuzuAscender5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2004IsuzuAscender4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003ChevroletTrailblazer EXT5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003ChevroletTrailblazer EXT4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003GMCEnvoy XL4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003GMCEnvoy XL5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003IsuzuAscender5.3LV8N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core
2003IsuzuAscender4.2LL6N/AOE Style Design; w/ CAY Engine; 1 Row Plastic Tank Aluminum Core

* 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:

151622131519638625638-15196-386-08012563CU2563GM3010421GM3010450

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