knob tractor trailer short pin mount knob only 1977-1994 air brake control valve

Description

Application: 1977-1994 Peterbilt, Kenworth, Freightliner, Ford, International, Western Star, Mack and various other vehicles with pin mount air valves and less than 3/8" in diameter shaft.
THIS CHROME ALUMINUM KNOB NEEDS A ROLLER PIN TO HOLD IT IN PLACE. THEY FIT OLDER MODEL TRUCKS, EXCEPT VOLVO ( VOLVO REQUIRES A LARGER PIN HOLE). THEY HAVE A 3/8 INCH INSIDE DIAMETER AND THEY ARE 1-1/8 INCHES TALL. IT DOES NOT COME WITH THE STICKER OR PLAQUE FOR THE TOP. IT REQUIRES A 1-5/8" STICKER OR PLAQUE. EACH. NEW, BULK PACKAGING.