Part #: CU1791

Spectra CU1791 Radiator

38 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, C1500, C2500, K1500, and K2500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Cooling Solution for Chevrolet and GMC Trucks

The Spectra CU1791 radiator is designed to provide efficient cooling performance for select Chevrolet and GMC truck models. Engineered to meet OEM specifications, this radiator supports optimal engine temperature regulation for vehicles like the Chevrolet C1500 and GMC K2500.

Key Features of the Spectra CU1791 Radiator

  • Compatible with Chevrolet C1500, C2500 and GMC K1500, K2500 models
  • Manufactured to meet or exceed original equipment standards
  • Durable construction for long-lasting performance
  • Direct replacement radiator for easy installation
  • Designed to maintain proper engine cooling under various driving conditions

Detailed Product Description

The Spectra CU1791 radiator is a direct-fit replacement part specifically designed for Chevrolet and GMC full-size pickup trucks, including the C1500, C2500, K1500, and K2500 models. This radiator ensures proper coolant flow and heat dissipation to prevent engine overheating. Constructed with quality materials, it offers reliable durability and consistent performance. The CU1791 part number corresponds to a radiator that matches the original equipment dimensions and mounting points, facilitating a straightforward installation process without modifications.

Common Applications and Problem Resolution

  • Replaces leaking or damaged radiators in Chevrolet C1500 and GMC K2500 trucks
  • Addresses engine overheating issues caused by radiator failure
  • Restores proper coolant circulation for improved engine efficiency
  • Solves coolant loss due to cracks or corrosion in the radiator core
  • Prevents engine damage related to inadequate cooling system performance

Installation Notes and Tips

Installation of the Spectra CU1791 radiator should be performed by a qualified technician or experienced DIYer familiar with Chevrolet and GMC truck cooling systems. Ensure the cooling system is fully drained before removal of the old radiator. Verify all hose connections and mounting points align with the replacement radiator. After installation, refill the cooling system with the appropriate coolant and bleed air pockets to avoid overheating.

Quality Assurance and Warranty Information

Spectra radiators are manufactured to meet strict quality standards, ensuring reliable performance and durability. The CU1791 radiator undergoes rigorous testing to confirm fitment and function for Chevrolet and GMC trucks. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.

This part fits 38 vehicles. Search below:

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

17891791208112081223132546256941178941179141618A43244543256952469081524690855246967452469675524795556166228011791927395469547RA1093RAD1789REA411789REA411791REA41618A

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