Chevrolet Silverado 1500 Radiator - Mishimoto - '03-'05. A direct-fit replacement radiator for 2003–2005 Silverado 1500 models, built to restore reliable cooling for stock and lightly modified engines.

This Mishimoto radiator features an aluminum core paired with OEM-spec plastic end tanks to maintain factory fitment and compatibility with existing hoses, fans, and brackets. It installs without cutting or bending and is intended as a durable replacement for aged, clogged, or leaking stock radiators. Designed to work with stock engine bay equipment, it helps return your truck to proper operating temperatures and supports continued performance during towing or daily driving. See the application guide for additional fitments and engine compatibility.

Features

• Direct OEM replacement fit for 2003–2005 Silverado 1500 (see application guide)
• Aluminum core with OEM-spec plastic end tanks for stock compatibility
• Works with existing fans, hoses, and mounting points—no modification required
• Ideal replacement for leaking, clogged, or damaged factory radiators
• Backed by Mishimoto warranty coverage

If you have questions or want help confirming fitment, call us directly: 512-982-9393 (TX) or 562-981-6800 (CA). We have two service locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services. If you’re planning to purchase multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov