New old stock dual action fuel pump Airtex #: 516 replaces GM #: 4192149, multiple available.  See pictures and send message to specify which one you are interested in prior to purchasing.  Fits:

1939-1940 Oldsmobile L39 & L90 8 cylinder models

1940-41 Pontiac model 29 8 cylinder models

One pump has a straight arm the other is curved.

Pumps have some shelf ware and do not come with original boxes.  May need to be rebuilt with new gaskets after years of sitting. 

SOLD AS IS.