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 Door Grab Handle for Peterbilt Chrome Plastic A/C Vent Adjustable Louver for Peterbilt Air Cleaner Side Panels for Peterbilt Color Plastic Jewel Dome Light for Peterbilt & Kenworth Peterbilt A/C Knob Chrome Plastic A/C Control Plate Cover for Peterbilt 2005+