Create your own custom brake knob for your Peterbilt, Kenworth, Freightliner, International, Volvo and all others. Choose your favorite colors and engraving from the list for your custom threaded semi truck brake knobs. Contact us for personalized options like lettering to logos.

Purple Peace Sign Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Black Superman Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Dark Blue Engraved Star Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

White Star Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Autobot Black/Silver Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Autobot Blue Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Hot Pink Autobot Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Autobot White Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

White w/ Black Autobot Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Decepticon Red Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Autobot Yellow Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

White Decepticon engraved Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Red/ Black Transformer Decepticon Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Red Peace sign Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Money $$ sign White Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

White w/ Black Decepticon Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Autobot Red Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Decepticon Dark Blue Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transformers Decepticon Yellow Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Autobot Red Brake Knob

2-1/8" Diameter. Characters are engraved on top and paint filled.

For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.