Front Lower. Ft lwr cntl arm lock nut. Left.FROM 11/2009. Right.FROM 11/2009. A solid metal or plastic bLock with a threaded hole in the center which is used to tighten or adjust the Suspension Strut Fork. Part cannot be reused/reinstalled. Suspension Ball Joint Nut / Washer. Suspension Control Arm Nut. Suspension Shock Absorber Mount Nut. Suspension Strut Mount Nut.