Spectra CU744 Radiator

Spectra CU744 Radiator for S10 and S15 Applications

The Spectra CU744 radiator is a direct-fit cooling replacement for select Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy, and GMC Sonoma applications. Built to match OE durability expectations, it is a practical choice for restoring stable engine cooling on compatible trucks and SUVs.

• OE-style radiator construction for factory-style cooling performance
• Compatible with select 1983-1994 Chevrolet S10 and S10 Blazer applications
• Compatible with select 1983-1993 GMC S15, S15 Jimmy, and Sonoma applications
• Requires a radiator cap
• For vehicles without transmission oil cooler and without engine oil cooler
• Core size: 23-5/8 in. x 15-1/4 in.

Detailed Product Overview

Spectra Premium engineered the CU744 to follow the durability and fit expectations associated with original equipment radiators. This radiator is listed for 1983-1993 Chevrolet S10, 1983 and 1988-1994 Chevrolet S10 Blazer, 1983-1990 GMC S15, 1983 and 1988-1989 GMC S15 Jimmy, and 1991-1993 GMC Sonoma applications with the specified cooling configuration. If you are replacing a worn radiator on a Chevrolet S10 or GMC S15 platform, the CU744 provides a focused OE-style replacement option.

This part cross-references APDI 8010741 for the same application.

Common Cooling Problems It Can Address

• Leaking radiator tanks or seams
• Restricted coolant flow from an aging core
• Overheating caused by reduced heat transfer
• Corrosion or internal buildup in the original radiator
• Cooling system service on vehicles with the listed OE-style configuration

Installation Notes and Fitment Tips

• Fits 1983-1993 Chevrolet S10, N/A, with 23-5/8 in. x 15-1/4 in.; without TOC and without EOC; radiator cap required
• Fits 1983, 1988-1994 Chevrolet S10 Blazer, N/A, with 23-5/8 in. x 15-1/4 in.; without TOC and without EOC; radiator cap required
• Fits 1983-1990 GMC S15, N/A, with 23-5/8 in. x 15-1/4 in.; without TOC and without EOC; radiator cap required
• Fits 1983, 1988-1989 GMC S15 Jimmy, N/A, with 23-5/8 in. x 15-1/4 in.; without TOC and without EOC; radiator cap required
• Fits 1991-1993 GMC Sonoma, N/A, with 23-5/8 in. x 15-1/4 in.; without TOC and without EOC; radiator cap required

Quality Assurance

Spectra Premium radiators are built to meet OE-level durability expectations for the listed applications. Verify cooling-system configuration, core dimensions, and radiator cap requirements before installation to confirm proper vehicle match for the CU744.