Part #: CU1790

Spectra CU1790 Radiator

⚙️ 38 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C1500, C2500, K1500, and K2500
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Chevrolet and GMC Trucks

The Spectra CU1790 radiator is designed to provide efficient cooling for select Chevrolet and GMC truck models. Engineered to meet OEM specifications, this radiator supports optimal engine performance and temperature regulation.

  • Compatible with Chevrolet C1500, C2500 and GMC K1500, K2500 models
  • Direct replacement radiator for part number CU1790
  • Constructed to maintain proper engine temperature under various driving conditions
  • Manufactured to meet or exceed original equipment standards
  • Designed for easy integration with existing cooling system components

Product Details and Compatibility

The Spectra CU1790 radiator is specifically built for Chevrolet C1500 and C2500 as well as GMC K1500 and K2500 trucks. This radiator ensures proper fitment and reliable cooling performance for these models. It is engineered to handle the cooling demands of these vehicles, helping to prevent overheating and maintain engine efficiency. The part number CU1790 corresponds directly to this radiator, making it a straightforward replacement option for vehicles requiring this specification.

Common Applications and Problem Resolution

  • Replaces damaged or leaking radiators in Chevrolet C1500 and C2500 trucks
  • Addresses engine overheating issues in GMC K1500 and K2500 models
  • Restores cooling system efficiency after radiator corrosion or clogging
  • Helps maintain consistent engine temperature during heavy-duty use
  • Prevents coolant loss due to radiator cracks or punctures

Installation Notes and Tips

When installing the Spectra CU1790 radiator, ensure the cooling system is fully drained before removal of the old radiator. Verify all hose connections and mounting points align with the vehicle’s specifications. It is recommended to inspect and replace any worn hoses or clamps during installation to ensure a secure and leak-free fit. Proper bleeding of the cooling system after installation will help avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

Manufactured to meet or exceed OEM standards, the Spectra CU1790 radiator undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided here, Spectra products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

This part fits 38 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999ChevroletC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1999ChevroletC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1999ChevroletK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1999GMCC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1999GMCK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998ChevroletK25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1998GMCK25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997ChevroletK25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997GMCC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997GMCC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997GMCC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997GMCK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1997GMCK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996ChevroletC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996ChevroletC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996ChevroletC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996ChevroletK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996ChevroletK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996GMCC15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996GMCC15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996GMCC25005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996GMCK15005.0LV8N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required
1996GMCK15004.3LV6N/Aw/ 28-1/4 in. Between Tanks; w/ TOC (Transmission Oil Cooler); w/ EOC (Engine Oil Cooler); Radiator Cap Is Required

* 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:

178817902082322193612545254925502570262240447411788411790411790A4324464325705246908152469085524696735246967452469675524704245248144080117888011790927495439544A1790C1788C1790CU1788CU1790OR1790RA1093RA1094RAD1788RAD1790REA411788REA411790REA411790A

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