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Air Injection Pump Filters? Are they available?

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I have my turbo apart to fix the dreaded t-pipe (I have a brass solution that I will post soon!)

I also took my air pumps apart to clean them (as I removed them to access the pipes at the back of the engine) and one of the filters is cactus.

I know they don't get used much, but it's really dusty where I live so I'd like to replace them to avoid the pump failing and generating an error.

There's no listing I can find in the parts catalogue, only the whole pump.

I've heard it's the same as a Camaro air pump, probably made by AC Delco???

Can anyone help with a replacement?



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Sorry about the delay, here's a pic.


As you can see the filter has basically fallen apart.

I read somewhere that someone had made a new one out of a lawn mower filter element.

It's certainly very similar material.

But this pump appears to be a relatively common AC Delco unit (It says Made In USA), so there must be a filter out there somewhere.



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