fuel pump eccentric on front of cam?

OE #2843661 interchange number 4120484

Mopar: OEM Small Block FUEL PUMP ECCENTRIC 340 360 318 Plymouth Dodge Dart Cuda | eBay

MOPAR PERFORMANCE FUEL PUMP ECCENTRIC FITS 273/318/340/360 ENGINES OEM GENUINE | eBay

Chrysler Dodge Plymouth NOS MoPar FUEL PUMP ECCENTRIC #2843661 273 318 340 360 | eBay

Also try dealer with most uptodate interchange part number

Any wrecking yard