Applicationcompatible for VauxhallAstra MK IV 1998-2005 Estate 1.2 1.4 1.6 1.7 1.8 2.0 compatible for Vauxhall Astra MK IV 1998-2005 Hatchback 1.2 1.4 1.6 1.7 1.8 2.0 compatible for Vauxhall Astra MK IV 1998-2005 Saloon1.2 1.4 1.6 1.7 1.8 2.0 compatible for Vauxhall Astra MK IV 2001-2005 Convertible 1.6 1.8 2.0 2.2 compatible for Vauxhall Astra MK IV 1998-2005 Coupe 1.8 2.0 2.2SpecificationQuantity: 1 piece, AS picture shown OEM number: 9117620, VKBA 3511, 1603209, VKBA3511 Placement on Vehicle: Front OUTER DIAMETER: 120mm INNER DIAMETER: 56.38mm WIDTH: 116mmNoticeProfessional installation is highly recommended (No Instruction Included) For any needs please contact us.