TYC 2003 Radiator

TYC Radiator 2003 for Astro and Safari

The TYC Radiator 2003 is a direct-fit cooling system replacement for select Chevrolet Astro and GMC Safari vans from 1996-2005. It combines an aluminum core with integrated engine and transmission oil coolers to support stable operating temperatures in demanding daily driving and towing conditions.

Key Features

• Aluminum core construction for efficient heat transfer
• Crossflow radiator design
• Engine oil cooler included with plate-style cooler design
• Transmission oil cooler included with plate-style cooler design
• Hose clamp inlet and outlet connections
• Core dimensions: 17.24 in. height, 28.27 in. length, 1.02 in. thickness
• Single-row design with 39 total tubes and 40 total fin rows
• Inlet diameter: 1.30 in.; outlet diameter: 1.57 in.

Product Details

TYC Radiator 2003 is built around a crossflow aluminum core with plate oil coolers for both engine oil and transmission fluid. The radiator uses hose clamp connections and the listed core dimensions and tube layout to match the cooling package used on select Chevrolet Astro and GMC Safari applications. This part cross-references ACDelco 21331 and Spectra Premium CU1786 for the same application.

What It Helps Address

• Overheating caused by a worn or leaking radiator
• Loss of coolant efficiency from damaged core tubes or fins
• Transmission temperature concerns tied to a failing cooler circuit
• Engine oil temperature control issues from a compromised oil cooler
• Coolant seepage at hose connection points

Installation Notes

Verify radiator dimensions, inlet and outlet sizes, and cooler connections before installation. Confirm the vehicle uses the listed crossflow layout and oil cooler configuration. For best results, flush the cooling system, inspect hoses and clamps, and replace any worn coolant or transmission lines during service. Fits 1996-2005 Chevrolet Astro, N/A. Fits 1996-2005 GMC Safari, N/A.

Quality Assurance

TYC Radiator 2003 is part of TYC’s radiator line and is specified with aluminum construction, integrated oil coolers, and application-matched connection types for the listed vehicles.