CK-KW-LS : Kenworth Logo Shape Knob

CK-WS-LS-6340 : Western Star Logo Shape Knob - Red

CK-TRACTOR-1 : Tractor Square Knob

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

CK-KW2-O : Kenworth Octagon Knob

CK-IN2-S : Old Style International Logo Square Knob

CK-WS-LS-7747 : Western Star Logo Shape Knob - Blue

CK-FL1-S : Freightliner Logo Square Knob

UNITED PACIFIC - 23179 : "Trailer" Long Air Valve Knob - Stainless Plaque w/ Cursive Script

CK-KW2-S : Kenworth Name Square Knob

CK-DET-S : Detroit Logo Square Knob

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

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

UNITED PACIFIC - 23365 : "Trailer" Air Valve Knob - Stainless Plaque W/ Cursive Script

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

CK-IN1-O : International Logo Octagon Knob

CK-BH-LS : Bull Logo Shape Knob

CK-FL1-O : Freightliner Logo Octagon Knob

UNITED PACIFIC -23222-1R : "Tractor" Glossy Air Valve Knob Sticker Only - Red

CK-FL1-S-6090 : Freightliner Logo Square Knob Black 190

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

CK-IN1-S : International Logo Octagon Knob