How to replace the rear shock absorbers Astra J / mk6 ➿ - YouTube
2x Rear Tailgate Boot Gas Struts For Opel Astra J GTC 2011-2015(OEM:871024247)-50.7cm, Lift Support Shock Absorber System Car Springs Lifter Kit : Amazon.co.uk: Automotive
How to replace rear shock Astra Vauxhall or Opel - YouTube