Dell Chromebook 11 CB1C13 Series Laptop Base Bottom Case Cover X9XCN 0X9XCN CN-0X9XCN.Dell Part Number: X9XCN 0X9XCN CN-0X9XCNCompatible Part Numbers: 3HZM7BCWI10 EAZM7006010Compatible Models: Dell Chromebook 11 CB1C13 Series