55561100 Vacuum Pump Seal Kit Compatible with Saab 9-3 2003-2011 Brake System O Ring ReplacementFeatures: 1. Vehicle Fitment: Brake vacuum pump O ring kit is a replacement for Saab 9-3 2003-2011; fits Regal 2011-2013 2.0T; please confirm whether your model is applicable before purchasing. 2. OE Number: The part numbers of the vacuum pump seal kit for reference are 55561100 and 55561102; please confirm compatibility with your required OE number. 3. Kit Contents: Includes the OEM external O ring (55561100) and internal O ring (55561102) for the brake vacuum pump. These two O rings are the most common cause of brake vacuum pump leaks on 2.0T engines. Also includes 3 new screws to secure the pump halves. 4. Rubber Material: The brake vacuum pump O rings are made of rubber material with excellent abrasion and aging resistance, ensuring a tight and leakproof seal during long-term use and reducing the risk of air leaks. 5. Enhanced Braking Efficiency: This kit provides improved sealing performance when the brake vacuum pump is operating, helping ensure efficient braking system function and improving overall vehicle safety and driving stability.Specification: Item Type: Brake Vacuum Pump O Ring Kit Material: Rubber OEM: 55561100 / 55561102 Fitment: Replacement for Saab 9-3 2003-2011 with 2.0T B207 Engine Replacement for Saab 9-5 2011 2.0T Fits Regal 2011-2013 2.0T Fits Verano 2013-2016 2.0T Package List: 1 x Brake Vacuum Pump O Ring Kit (5 pcs)