G116/G509 Ring set, air compressor piston STD

Correct for:

WardLaFrance G116
Partnumber G116-17-38930

Diamond T
Partnumber DT-BB9209

Bendix-Westinghouse
Partnumber BWE-221312

Also used on:
Highspeed G150/G184
Autocar G510/G511
Federal G513
Mack G532
White G671/G691