5ek injector. What part number to order?

@spsauerland

 

If someone has been in there then who knows.

Take 10 min of your time and pop a valve cover and look at part number on injector. Seems simple enough.

 

I agree. We could look up what it was built with but never knows whos hands were in there since then.

 

Factory would be 57's/ 10R8501. Last ECM download was in 2010 by Thompson Cat in Tennessee with 747,147 miles. At that time it was set @ 455/1650.

 

Here’s my .02, I have 5Ek born 435 when I bought it, it had gone thru an inframe overhaul.

Since I had it, I’ve done upgrades including a ECM tune. A few years ago a had an injector for go out. I had the same idea the OP had, I wanted to by the injector thru the engine family number so it could be a easy swap. The shop told me if it’s been thru an inframe, it’s possible they probably upgraded. So we/they decided to pull out the injector first, and lord and behold, it was a “different” injector then the engine family called for. Good thing I took the shops advice. So there ya go, it’s your call. I would pull the injector first to match the number with the replacement one.

Edit: it still was a 58 but different tip or something cuz it was a different number than the original.