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Semi Truck Shift Knob Adapter

American Shifter Company | ASCAD38 | SKU: 311860

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Customize your big rig with ease! American Shifter’s Semi-Truck Shift Knob Adapter allows you to install any shift knob with an M16 insert on your semi truck. Choose from millions of shift knobs or customize your own with American Shifter’s large selection of shift knobs.

American Shifter’s unique design fits all semi truck shift knobs including transmissions with or without a splitter. Ideal for 7L, 8, 8L, 9, regular 10 speeds, 7LL, 8LL, 9MLL, Super 10, 13, 15, and 18 speeds. Easy installation and includes machined screws for direct bolt-in installation.


  • Fitment :: Mack, Kenworth, Volvo, Peterbilt, Freightliner and More!
  • Material :: Zinc Alloy
  • Finish :: Chrome
  • Includes :: Machined Button Head Screws
  • Installation Style :: Direct Bolt-In Installation
  • Fits :: Transmissions With or Without a Splitter
  • Feature :: Install Any Shift Knob With An M16 Insert
  • Base Thread :: M16 x 1.5

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