The HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -4] (Aluminum, Black) is ready to ship today, with the paperwork and specs that back it up.
![HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -4] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN818_1_c25f2a27-cb3f-4d95-8125-ed60ddde8c91-2.jpg)
Hoses and fittings work under pressure and heat, where material choice decides service life. Replace both the upper and lower runs while the system is open.
Our team knows the hps hard line an tube nut well, so ask if anything about the specification is unclear.
Stock of the hps hard line an tube nut is live on this page rather than estimated.
Shops order the hps hard line an tube nut from us in volume because the data on the page is accurate.
What you are buying
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $13.76 with free shipping over $99
- Availability: in stock, dispatched from the USA
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
Continue browsing: Hoses & Fittings · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-12] (Aluminum, Black) · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-10] (Aluminum, Black) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
For neutral background on this kind of maintenance, see the fuel economy maintenance guidance.
Frequently asked questions
Is fitment guaranteed on this listing?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
What are the shipping times?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What is the return policy?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
Is the part inspected before dispatch?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M14 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_ef8cf05a-8f9b-4a44-938e-d86cae0e4307-300x300.jpg)
![HPS AN Male to NPT Adapter Fitting [Straight] [-8 to 1/2 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_b76d947d-1e43-4e38-b986-a8f6682cdca6-300x300.jpg)
Reviews
There are no reviews yet.