Re: NSF5A fuel pump question
You can do it either way.
Either:
3H6040004M FUEL PUMP, 4/5/6/8/9.8 4-STR ONLY $57.93
or:
3H6040440M CHECK VALVE (P) $1.50
3H6040141M CHECK VALVE (R) $2.25
3H6040280M GASKET $5.98
3H6040050M DIAPHRAGM $26.28
plus a lot of time and patience.