The HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -3] (Aluminum, Black) you are looking at ships from our own USA shelves, not a drop ship queue.
![HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -3] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN818_1-2.jpg)
Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Use constant tension or lined clamps so the hose surface survives heat cycles.
The hps hard line an tube nut listed here is checked against your vehicle before dispatch.
Every hps hard line an tube nut order goes through the same fitment review.
Ordering the hps hard line an tube nut takes a minute and the confirmation reaches you straight away.
Details that matter
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $13.76 with free shipping over $99
- Availability: in stock, dispatched from the USA
Not sure it matches your vehicle? Send your VIN or your year, make and model and our fitment desk will confirm before you order.
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Our warehouse team packs the way they would want their own parts to arrive.
Independent information on this topic lives at the Car Care Council maintenance tips.
Questions we get about this part
Can you check fitment before I order?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How quickly can I get this?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
What happens if it arrives damaged?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.
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![HPS Push-on Hose End to AN Female Fitting [120 Degree] [-12] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_635e984b-3fc3-4cc7-aaac-b24669ef133f-300x300.jpg)
![HPS NPT Allen Plug Fitting [3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_6be249de-b49f-4373-8667-06e8edb296af-300x300.jpg)
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