CK-KW1-S : Kenworth Logo Square Knob

CK-CAT-O-6090 : Caterpillar Logo Octagon Knob (190)

CK-KWOC-O-7747: Kenworth Old Logo Octagon Knob Blue 647

CK-WS1-S : Western Star Square Logo Knob

CK-KWOC-S-7747: Kenworth Old Logo Square Knob Blue 647

CK-WS1-O : Western Star Logo Octagon Knob

CK-KWOC-S-6340: Kenworth Old Logo Square Knob Red 440

CK-DET-O-6090 : Detroit Logo Octagon Knob (190)

CK-KW1-S-6340 : Kenworth Logo Octagon Knob Red 440

CK-CMNDSL-BL-O : Black Cummins Diesel Octagon Knob

CK-CMNDSL-BL-S : Black Cummins Diesel Square Knob

UNITED PACIFIC - 23229-1B : "Trailer" Glossy Air Valve Knob Sticker Only - Blue

UNITED PACIFIC - 23222-1B : "Tractor" Glossy Air Valve Knob Sticker Only - Blue

CK-CMNDSL-S : Chrome Cummins Diesel Square Knob

CK-CMNDSL-O : Chrome Cummins Diesel Octagon Knob

UNITED PACIFIC - 23229-1K : "Trailer" Glossy Air Valve Knob Sticker Only - Black

CK-FL1-O-7747 : Freightliner Logo Octagon Knob Blue (647)

CK-FL1-O-6090 : Freightliner Logo Octagon Knob Black 190

CK-DET-S : Detroit Logo Square Knob

CK-FL1-S-7747 : Freightliner Logo Square Knob Blue (647)

UNITED PACIFIC - 23215-1B : BLUE GLOSSY PNL LT STKR ONLY

UNITED PACIFIC - 23229-1R : "Trailer" Glossy Air Valve Knob Sticker Only - Red

UNITED PACIFIC -23222-1K : "Tractor" Glossy Air Valve Knob Sticker Only - Black

CK-FL1-O-6340 : Freightliner Logo Octagon Knob Red 440