Opel Astra H or Zafira B owners, if you're hearing humming or grinding from the front wheels, it might be time for a new wheel hub and bearing. This kit includes a complete hub with an integrated bearing and a 2-pin ABS sensor. Fits front left or right. Specifications: 5-bolt, 105mm bolt circle, 137mm outer diameter, 25mm inner diameter. Brand: Hajus Autoteile GmbH. OEM references include SKF VKBA 3651, Febi 27368, and others. Easy to install if you have the tools, or great for your mechanic. Keep your ride smooth, safe, and quiet. Don't ignore wheel bearing noise—replace it with this quality kit!