25 YEARS. Bracket nut. GTS 4.0. Left.BASE. Right.BASE. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Active Suspension Air Spring. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Differential Housing Mount. Door Check Nut. Nut that secures Suspension Stabilizer Bar Bracket. Part cannot be reused/reinstalled. Steering Column Nut. Suspension Strut Nut. Air Suspension Spring. Carrier. Differential Mount. Door Check. HexAGON. Stabilizer Bar lock. Stabilizer link. Steering Column. Support retainer. Suspension Strut. Suspension Sway Bar. Top. Included with: Axle Carrier, Differential assembly, Strut assembly.