Product Type: Radiator | Replaces: 21455 9653 1494 25750930 GM3010412 2792 9661 CU2565 | Bottom Header: 1 7/8" x 26 11/16" | Core Size: 16 3/4" x 25 7/8" x 1" | Manufactured Material: Plastic / Aluminum | Rows: 1 | Top Header: 1 7/8" x 26 11/16" | Source: Aftermarket .