Herko Mechanical Fuel Pump BM4657 For Chevrolet Bel Air Biscayne 1958-69 – 12V Gasoline

Restoring a late-50s or 60s Chevy?

This Herko mechanical fuel pump fits a bunch of them—Bel Air, Biscayne, even Checker cabs from 1958 to 1969.

It's a direct mechanical pump, runs on gasoline at 12 volts.

Part number BM4657.

Comes with a gasket, so you're ready to bolt it on.

Interchanges with SP1062MP, 4656, 4657, and others.

OE numbers like 5621664 and 6440018 cross over.

Made by HERKO, backed by a warranty.

Not a universal part—this is for those classic Chevys.