APDI 8011531 Radiator

APDI 8011531 Radiator for GM Applications

The APDI 8011531 radiator is a direct-fit cooling replacement built with a plastic tank and aluminum core construction. It is specified for GM truck and utility applications that require a radiator without an engine oil cooler, including Chevrolet S10, GMC Sonoma, Chevrolet LUV, and Isuzu Hombre models.

Key Features

• Plastic tank aluminum construction for a lightweight, OE-style radiator design
• Core dimensions: 14-7/8 in. height, 23-9/16 in. width, and 5/8 in. thickness
• Single-row core design for straightforward cooling system replacement
• 1-5/16 in. inlet and 1-5/16 in. outlet diameters
• Integrated transmission oil cooler with 11-1/2 in. cooler length
• Fits applications without an engine oil cooler

Product Details

APDI Radiator 8011531 is engineered for GM cooling system service where the original radiator uses a plastic tank aluminum layout. The core size and hose connections are matched for the listed Chevrolet S10, GMC Sonoma, Chevrolet LUV, and Isuzu Hombre fitments, making it a practical replacement for vehicles that need a radiator with transmission cooling and no engine oil cooler provision. This APDI radiator line focuses on application-specific fitment for common GM platforms, and part number 8011531 is also referenced in the aftermarket under cross numbers such as Spectra Premium CU1531 and OSC 1531 for the same application.

Vehicle Fitment

• Fits 1998-2005 Chevrolet LUV, N/A, without engine oil cooler; radiator
• Fits 1994-2003 Chevrolet S10, N/A, without engine oil cooler; radiator
• Fits 1994-2003 GMC Sonoma, N/A, without engine oil cooler; radiator
• Fits 1996-2000 Isuzu Hombre, N/A, without engine oil cooler; radiator

Common Replacement Reasons

• Leaking radiator tanks or seams
• Restricted coolant flow from internal corrosion or debris
• Overheating caused by reduced heat transfer
• Damaged inlet or outlet necks
• Transmission cooling concerns tied to a failing radiator cooler

Installation Notes

Verify hose size, core dimensions, and transmission cooler line routing before installation. This radiator is specified for vehicles without an engine oil cooler, so confirm the original cooling package matches that configuration. Flush the cooling system, inspect hoses and clamps, and check for proper fan operation and coolant level after installation.

Quality Assurance

APDI supplies application-specific radiator replacements for GM fitments, and this part number 8011531 is built to match the listed core and connection specifications for direct replacement service.