Material Chrome Plastic Package Sold by each, carded for display Part No. Description Model Year 68281 A/C Extension Knob 379 2000 Part No. & Image Selection Chrome Plastic A/C Extension Knob for Peterbilt 379 Part No.: -- Please Select -- 68281 Combination of product variants is not available Updating... Related Products Ash Tray Trim for Peterbilt 2006 & Later Parking Brake Control Plate w/ 4 Switches for Peterbilt 379 Bumper License Plate Holder for Peterbilt Rectangular Bumper Rock Guard for Peterbilt Cab Dome Light Lens for Peterbilt LED Dual Rectangular Headlight Bezel with Visor