Click to expand Tap to zoom Kenworth W900/T660 2006+ chrome plastic air conditioner/heater knob Save $-7.49 $7.49 | / SKU 11947 Blue - $7.49 Clear - $7.49 Purple - $7.49 Red - $7.49 Outer Surround Only - $5.49 Color: Blue 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Sold SINGLE. Replaces the original knob.