POSENG 6AN Female Flare Cap Block Off Fitting Plug Nut Adapter Black Anodized Aluminum

Got a 6AN line you need to cap off?

This POSENG female flare cap is what you need.

It’s a block-off fitting, basically a plug nut adapter that screws onto a 6AN male fitting to seal it.

Made from 6061-T6 aluminum, CNC machined, with a black anodized finish.

It’s universal—works for fuel, oil, water, air, or any fluid line.

The part number is POSENG56125.

It’s a direct replacement cap, and it comes with a warranty.

Placement on vehicle?

Anywhere you’ve got a 6AN line.

Lightweight, strong, and seals tight.

If you’re capping off a line temporarily or permanently, this does the job.