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The GM Genuine Parts 21649 Radiator is a lightweight, corrosion-resistant aluminum core radiator engineered to meet GM OE specifications. Weighing just 15.4 pounds and designed for chassis mounting, it offers optimized heat transfer and durability, making it the perfect factory-recommended replacement to maintain your GM vehicle’s original cooling performance.





| Brand | GM GENUINE PARTS |
| Cooler Heatsink Material | Aluminum |
| Item Weight | 15.4 Pounds |
| Mounting Type | Chassis Mount |
| Manufacturer | ACDelco |
| UPC | 707773890219 036666394900 |
| Global Trade Identification Number | 00036666394900, 00707773890219 |
| Model | Radiator |
| Item Weight | 15.43 pounds |
| Product Dimensions | 46.7 x 25.3 x 7.8 inches |
| Item model number | 21649 |
| Exterior | Painted |
| Manufacturer Part Number | 21649 |
| OEM Part Number | 22840116 |
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