OEM injector questions

GRWeldon

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The OEM fuel injectors have what appears to be a "cap" on the injecting end. When I was removing the intake side O-rings from mine, this cap came off. It didn't appear to break but I couldn't get them back on after the O-ring was off.

What is this "cap" and is it important? Can I use the injectors without it? I'm not where the engine is currently or I would post pictures. I will post some if needed.

I was just going to replace them until I looked up the cost. The cheapest I can find are just at $25 ea. Last time I bought a set (ages ago) the whole set was just over $60!

Thanks y'all. I appreciate your replies.
 
I thought I did a write-up on how you put those caps on....hmmmm

Note: if the cap is chipped or damaged, get a new one if you can. They are cheap on Amazon.

By the way, you may want to get the repair kit with the seals, pintle caps and filters. Yes, there is a filter inside the end of the injector.
 
I thought I did a write-up on how you put those caps on....hmmmm

Note: if the cap is chipped or damaged, get a new one if you can. They are cheap on Amazon.

By the way, you may want to get the repair kit with the seals, pintle caps and filters. Yes, there is a filter inside the end of the injector.
Had no idea there was a filter. I have new old stock O-rings. I have a spare used injector set. I'll check on a repair kit, thank you!

I never checked for a write-up...
 
I would just get a Bosch EV6 injector rebuild kit which includes new O-rings, pintle caps and filters. The old "fat" injectors are the EV1 style, if you ever come across those. They are interchangeable, but the atomization is better on the EV6.
 

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