Upgrade your interior with a 3/8" square adapter chrome window crank with a colored jewel.

Choose jewel color from above menu

• Fits Peterbilt and Kenworth models 2006 and older
• 3-3/4" L x 1-5/16" Dia knob
• Made of chrome die cast with a plastic flat top color jewel
• Direct replacement
• Sold individually

Note: Slotted adapter is a round hole with gear-like grooves (splines) inside. Square adapter fits a plain square shaft.