GASKET FOR THE PT FILTER CAP ON NHC-250 CUMMINS ENGINES WITH THE AFC STYLE OF INJECTION PUMP.

FITS MOST M809 AND M939/M939A1 SERIES TRUCKS. NOT FOR M939A2 SERIES.

THIS IS A SQUARE CROSS SECTION GASKET, AND NOT A CONVENTIONAL ROUND O RING.

PART # 154088 NSN 5330-00-961-9470, 5330009619470, 10115652

PT FILTERS ARE ALSO IN STOCK FOR THE AFC STYLE PUMPS IF YOU NEED THOSE, SEARCH PART # 146483