Part #: CU741

Spectra CU741 Radiator

⚙️ 39 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, S10, S10 Blazer, S15, S15 Jimmy, and Sonoma
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Reliable Radiator Replacement for Chevrolet and GMC Trucks

The Spectra CU741 radiator is designed to provide efficient cooling for select Chevrolet and GMC models. Engineered to meet OEM specifications, this radiator supports optimal engine performance and helps prevent overheating in your vehicle.

  • Compatible with Chevrolet S10, S10 Blazer, S15, S15 Jimmy, and GMC Sonoma models
  • Direct replacement radiator for reliable fit and function
  • Constructed to maintain proper engine temperature under various driving conditions
  • Durable materials designed to withstand thermal stress and corrosion
  • Part number CU741 ensures precise identification and compatibility

Product Details and Specifications

The Spectra CU741 radiator is manufactured to match the cooling requirements of Chevrolet S10 and S15 series trucks, including their Blazer and Jimmy variants, as well as the GMC Sonoma. This radiator is built with quality materials to ensure consistent heat dissipation and long service life. Its design aligns with factory dimensions and mounting points, facilitating a straightforward replacement process. The CU741 radiator supports the vehicle’s cooling system by efficiently transferring heat away from the engine, which is critical for maintaining engine performance and preventing damage caused by overheating.

Applications and Common Issues Addressed

  • Replacement for leaking or cracked radiators in Chevrolet S10 and GMC Sonoma vehicles
  • Solves overheating problems due to radiator core blockages or damage
  • Restores proper coolant flow and engine temperature regulation
  • Addresses coolant loss caused by radiator corrosion or physical damage
  • Improves cooling system efficiency after prolonged use or wear

Installation Notes and Tips

When installing the Spectra CU741 radiator, ensure the vehicle is fully cooled before beginning work. Drain the coolant system completely and inspect hoses and clamps for wear or damage, replacing them if necessary. Align the radiator carefully with existing mounting points to avoid stress on the cooling system. After installation, refill the cooling system with the appropriate coolant mixture and bleed air pockets to prevent overheating. Verify there are no leaks and monitor engine temperature during initial operation.

Quality Assurance and Warranty Information

Spectra radiators are manufactured to meet industry standards for durability and performance. The CU741 radiator undergoes quality control inspections to ensure it meets fitment and functional requirements for Chevrolet and GMC models listed. While specific warranty details are not provided here, Spectra products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer resources for exact warranty terms.

This part fits 39 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1993GMCSonoma2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1992ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1992GMCSonoma2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1991ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1991GMCSonoma2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1990ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1990GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1989ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1989ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1989GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1989GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1988ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1988ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1988GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1988GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1987ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1987ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1987GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1987GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1986ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1986ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1986GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1986GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1985ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1985ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1985GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1985GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1984ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1984ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1984ChevroletS10 Blazer2.2LL4N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1984GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1984GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1983ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1983ChevroletS10 Blazer2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1983GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1983GMCS15 Jimmy2.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1982ChevroletS102.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; w/ TOC (Transmission Oil Cooler); w/o EOC (Engine Oil Cooler); Radiator Cap Is Required
1982GMCS152.8LV6N/Aw/ 23-5/8 in. x 15-1/4 in.; Except Heavy Duty Cooling; 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:

0741A0AAS2604201272017120172202222029020299206752310258125822690304877304877130487723048773304877430502603054046305404730540493054050305405130542153055694305791630906063090608309060930906203091343309337530933763094176309464230950233095761403844174141741A4188841888A43374143388843407643601752461090524614115246563452465654524815827418010741888BL8787C0741CU741G89494GA9393KO8682OR741RA1080RAD741RAD888REA41741REA41741AREA41888REA41888ARP8787U98786UD8787

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