Buying the HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 1/8 NPT] (Aluminum, Black) should be simple, so here are the facts without the marketing noise.
![HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_80fb94b3-4f9d-433e-865f-8595bc6d2a11-2.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.
Drivers choose the hps an male to npt adapter fitting here for honest specification detail and quick dispatch.
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.
Quick specs
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $14.67 with free shipping over $99
- Availability: in stock, dispatched from the USA
Our team checks doubtful orders by hand, so share your vehicle details and we will verify this listing against manufacturer data.
More in this department: Hoses & Fittings · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-6] (Aluminum, Black) · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-4] (Aluminum, Black) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
When you want a second opinion that is not a parts store, read the fuel economy maintenance guidance.
Frequently asked questions
What do you need to verify fitment?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
When will my order dispatch?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
How do returns work here?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
How do you protect it in transit?
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 NPT Allen Plug Fitting [1/16 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-8 to M14 x 1.25] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_2d43096e-0176-48a6-aafa-d4ad5b2e739f-300x300.jpg)
![HPS NPT Allen Plug Fitting [1/4 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_fb2df01f-9eb8-4975-89d8-8afd92a49ee4-300x300.jpg)
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