The HPS AN Male to NPT Adapter Fitting [45 Degree] [-4 to 1/4 NPT] (Aluminum, Black) arrives packed properly, checked against your vehicle and tracked from our door.
![HPS AN Male to NPT Adapter Fitting [45 Degree] [-4 to 1/4 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN823_1_bc87fdef-21ee-49e0-8e55-f0806d30cb7d-2.jpg)
Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Measure inner diameter at the fitting rather than estimating by eye.
Buyers comparing the hps an male to npt adapter fitting will find the specification detail on this page rather than in a catalog footnote.
The hps an male to npt adapter fitting listed here is checked against your vehicle before dispatch.
Every hps an male to npt adapter fitting order goes through the same fitment review.
Quick specs
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $22.09 with free shipping over $99
- Availability: in stock, dispatched from the USA
When two options look similar, our parts team will tell you which one your vehicle actually takes.
Also worth a look: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-16] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-12] (Aluminum, Black) · full catalog
Finished surfaces are wrapped and hardware is bagged, so the part arrives ready to install.
Before you start the job, the NHTSA vehicle safety hub is worth five minutes.
Buyer questions
How do I confirm this fits?
We verify every doubtful order by hand. Give us the year, make, model and engine option and we will confirm compatibility in one reply.
Do you ship the same day?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
What if it does not fit?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What happens before my order ships?
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 M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
![HPS AN 3-Way Tee Adapter (Tee with female on run) Fitting [Tee] [AN -6] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN9261_1_13ceb207-d699-42c1-9a48-035b83f670cc-300x300.jpg)
![HPS NPT Hex Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN933_1-300x300.jpg)
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