2003-04. 2003-05. 5.7 & 8.0 LITER. Knob nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Automatic Transmission Shift Knob. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the manual Trans Shift Knob. Mounting Nut for Suspension Shock Absorber. Nut that secures Suspension Stabilizer Bar Bracket. Suspension Control Arm Nut. Suspension Stabilizer Bar Link Nut. To Suspension Control Arm. Automatic Transmission Shift Lever Knob. Damper. Hex. Lower Control Arm. Manual Transmission Shift Knob. Shock lock. Suspension Shock Absorber. Suspension Sway Bar Bracket. Suspension Sway Bar Link.