Global Parts 1523C Radiator

Radiator for GM Truck and SUV Cooling Systems

Global Parts 1523C is a replacement radiator built for vehicles that need dependable engine heat rejection and integrated transmission cooling. It uses an aluminum core with plastic tanks and is sized for direct-fit service on a wide range of Chevrolet and GMC trucks and SUVs.

• Aluminum core with plastic tank construction
• Core size: 19.44 in. height, 34 in. width, 2.25 in. thickness
• Single-row core design
• Inlet diameter: 1.81 in.; outlet diameter: 1.8 in.
• Transmission oil cooler included; internal transmission oil cooler included
• Radiator cap not included; thermostat not included
• Engine oil cooler not included

Fitment and Application Details

This radiator is compatible with 1994-2000 Chevrolet C2500, C3500, K2500, and K3500; 1994-2000 GMC C2500, C3500, K2500, and K3500; 1994-1999 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, and K2500 Suburban; 1994-1999 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, and K2500 Suburban; 1995-1999 Chevrolet Tahoe; 1994-1998 Chevrolet C1500 and K1500; 1994-1998 GMC K1500; 1994-1997 GMC C1500 and Yukon; and 1994 Chevrolet Blazer. Several applications note that 5/16 in. cooler adapters are needed.

Global Parts 1523C also cross-references Spectra Premium CU1523 for the same application.

What This Radiator Helps Address

• Engine overheating caused by reduced coolant heat transfer
• Transmission temperature control concerns on vehicles with an integrated cooler
• Coolant flow issues related to a damaged or leaking radiator core
• Plastic tank cracking or age-related seepage
• Cooling system service needs on Chevrolet and GMC truck and SUV platforms

Installation Notes

Verify core dimensions, inlet and outlet sizing, and cooler connection requirements before installation. Some listed vehicles require 5/16 in. cooler adapters, so confirm the existing transmission cooler line setup before beginning service. Replace worn hoses, inspect clamps, and flush the cooling system as needed to help the new radiator perform correctly.

Quality Assurance

Global Parts 1523C is built as a radiator replacement for cooling-system service on GM truck and SUV applications. Its aluminum core and integrated transmission oil cooler support the thermal management needs of the listed Chevrolet and GMC vehicles.