TRAX by SAAS Diff Breather Kits are ideal for Ranger Mazda Courier BT vehcile owners who are looking to install a diff breather. All kits come complete with the necessary fittings to help you protect your vehicle's drivetrain.Comprehensive fitting kit and instructions included. Also available in 2 Port configurationImportant: Please double check your vehicle thread size and/or if a factory breather is in place. Some modification to the basic kit and installation may be required