Product Type: Radiator | Replaces: 52493406 GM3010348 | Bottom Header: 2 5/16" x 18 9/16" | Core Size: 30 1/2" x 17 1/4" x 1 1 /4" | Inlet Size: 1 15/16" Diameter | Manufactured Material: Plastic / Aluminum | Outlet Size: 1 9/16" Diameter | Rows: 1 | Top Header: 2 5/16" x 18 9/16" | Source: Aftermarket .