Rock Auto only has 3 new pumps for sale for this truck.
1) The Carter M751.
2) The vacuum and fuel pump (dual action) model that no one needs.
3) The GMB 5308540.
Carter:
2018 Union president Dan Arnett said the facility's corporate owner, Crowne Group, had decided to ship older-model fuel pumps (that's us folks) from overseas facilities rather than having those models made in Logansport, Indiana. One guess which foreign company they buy from.
GMB:
2013 Established GMB AUTOMOTIVE NANTONG Co.,Ltd. in China
2014 Established GMB RUS TOGLIATTI LLC. (now GMB RUS AUTOMOTIVE LLC. Russia)
2014 Established GMB ROMANIA AUTO INDUSTRY S.R.L.
China, Russia and Romania.
My book says the 1949 GMC 228 fuel pump is an AC-531. Carter M751 was a replacement pump.
When searching for another pump:
If either is new old stock, it needs rebuilding with Ethanol tolerant kit.
If either has been professionally rebuilt before 1990, it needs rebuilding with Ethanol tolerant kit.
If either is well used, which most would be, send it to a professional for rebuilding.
If neither is available, convert to an electric pump. Information is available at Stovebolt.
