
Mack Logo Tractor and Trailer Air Valve Knobs
Accent your dash with this beautiful, high quality chrome plated aluminum Mack knob. Knob will never tarnish, is scratch resistant and easy to clean. Â Choose shape from drop down menu.
- Made of chrome plated aluminum
- Sold individually
To Install:
- Before taking off your plastic knobs, set the yellow and red stickers on your dashboard behind the corresponding valve.
- Unscrew the plastic knobs and install the corresponding chrome knobs onto each valve.
- Make sure the set screw on your chrome knob is not already engaged before starting ignition.
- Screw the button and align the logo the way you want it.
- Tighten the set screw with a 3/32 Allen wrench, not included.
Original: $67.99
-65%$67.99
$23.80Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Accent your dash with this beautiful, high quality chrome plated aluminum Mack knob. Knob will never tarnish, is scratch resistant and easy to clean. Â Choose shape from drop down menu.
- Made of chrome plated aluminum
- Sold individually
To Install:
- Before taking off your plastic knobs, set the yellow and red stickers on your dashboard behind the corresponding valve.
- Unscrew the plastic knobs and install the corresponding chrome knobs onto each valve.
- Make sure the set screw on your chrome knob is not already engaged before starting ignition.
- Screw the button and align the logo the way you want it.
- Tighten the set screw with a 3/32 Allen wrench, not included.














