A/C Heater Slider Knobs for Kenworth 1982-2001 Plastic Extensions GG#68281-3 Pac support arms are 16" and

support arms are 16" and 18" not including the mounting base

Part Location: passenger's side armrest

and various other models

384 and various other models and years (some 388 and 387 models may have a larger shaft and will not fit)

If the corners of your lug nuts are rounded or have burs they may not fit tightly and a dab of silicone is recommended

A/C Heater Slider Knobs for Kenworth 1982-2001 Plastic Extensions GG#68281-3 Pac support arms are 16" andMaterial: chrome plated plastic Size: 1" long, 1 2" wide Application: Peterbilt, Kenworth, Freightliner and various other trucks that has a slider style a c heater control Mount: push on Location: dash a c heater control Style: replacement extension Color: silver Quantity: set of 3 Bulk Packaging New