55561100 Vacuum Pump Seal Kit Compatible with Saab 9 3 2003 2011 Brake System O Ring Replacement Features： 1、Vehicle Fitment: Brake vacuum pump o ring kit is replacement for Saab 9-3 2003-2011; fit for Regal 2011-2013 2.0T; please confirm whether your model is applicable before buying. 2、OE Number: The part numbers of the vacuum pump seal kit for reference are 55561100/55561102, please confirm whether it is consistent with the OE you need. 3、Kit Contents: Contains the OEM external o ring (55561100) on the brake vacuum pump and the internal o ring (55561102) for the pump. These 2 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 a rubber material with excellent abrasion and ageing resistant, ensuring a tight and leakproof seal in long term use and reducing the risk of air leaks. 5、Enhanced Braking Efficiency: The kit enables better sealing when the brake vacuum pump is in operation, ensuring that the braking system operates efficiently and improving the overall safety and driving stability of the vehicle. Specification： Item Type: Brake Vacuum Pump O Ring Kit Material: Rubber OEM: 55561100/55561102 Fitment: Replacement for Saab 9-3 2003-2011 w/ 2.0T B207 Engine Replacement for Saab 9-5 2011 2.0T Fit for Regal 2011-2013 2.0T Fit for Verano 2013-2016 2.0T Package List： 1 x?Brake Vacuum Pump O Ring Kit(5pcs)