Spider Fuel Injector (6 Cylinder) FJ503 For Chevy GMC Isuzu Oldsmobile 4.3L V6

If you've got a 4.3L V6 in a Chevy, GMC, Isuzu, or Oldsmobile, this might be the fuel injector you're looking for.

It's the spider-style injector for six cylinders, and it's a direct replacement.

The part number is FJ503, and it replaces a ton of OE numbers like 17113673, 12568332, 19210688, and many more.

It runs on gas and comes with a 1-year manufacturer warranty.

It's unbranded, but the specs are right.

A good option if you're dealing with a rough idle or a misfire and you've traced it back to the fuel system.

Just verify your application before you pull the old one out.