Koyorad A1520 Radiator

Koyorad A1520 Radiator Overview

The Koyorad A1520 radiator is an OE-equivalent replacement built for cooling performance and direct-fit service on select Chevrolet and GMC trucks and SUVs. It combines an aluminum core with plastic tanks and integrated engine and transmission oil cooling to support demanding street and work-truck use.

Compatible With 1994-1998 Chevrolet C1500, C2500, C3500, K1500, K2500, K3500 and 1994-1998 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban applications, plus 1995-1998 Chevrolet Silverado and 1995 Chevrolet/GMC Suburban 1500 models.

Key Features

• Part number: A1520
• Aluminum core construction with plastic tanks
• 2-row core design for efficient heat transfer
• Core dimensions: 34 in. height, 18.4375 in. width, 2.0625 in. thickness
• Integrated engine oil cooler with 7-plate design
• Integrated transmission oil cooler with 6-plate design
• Inlet diameter: 1.3125 in.; outlet diameter: 1.5625 in.
• Engine oil cooler diameter: 2.625 in.; transmission oil cooler diameter: 1.75 in.

Product Details

Koyorad Radiator products are built as OE-equivalent replacements using the technical experience needed to match factory-style cooling performance. The A1520 radiator is engineered for vehicles that require both engine oil and transmission fluid cooling in one assembly, making it a practical replacement for aging or leaking factory units. For shoppers searching for a Chevrolet C1500 radiator, GMC K2500 radiator, or a direct-fit radiator for a 1994-1998 Chevrolet Silverado, this unit provides the core dimensions and cooler integration needed for the listed applications.

This part cross-references common OE-style replacement listings for the same application.

What It Helps Address

• Coolant leaks from cracked tanks or a damaged core
• Overheating caused by reduced radiator efficiency
• Transmission temperature concerns tied to a failing cooler circuit
• Engine oil cooling loss from a worn integrated cooler
• Restoration needs on high-mileage Chevrolet and GMC truck cooling systems

Installation Notes

Verify core dimensions, inlet and outlet sizes, and cooler connections before installation. Confirm that the vehicle uses the integrated engine oil cooler and transmission oil cooler configuration listed for this part. Flush the cooling system, inspect hoses and clamps, and replace worn seals or related components as needed during radiator service.

Quality Assurance

Koyorad manufactures OE-equivalent radiators with the technical know-how and production experience needed for accurate replacement fitment and dependable cooling-system service.