This page lists the HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 3/8 NPT] (Aluminum, Black), including what it fits and what we check before dispatch.
![HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_7b9e6930-9891-4699-b265-e5630115ab9c.jpg)
Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Route clear of heat sources and moving components.
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.
Part details
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $16.16 with free shipping over $99
- Availability: in stock, dispatched from the USA
If the application text leaves any doubt, message us with the VIN and we will rule on fitment before the box is sealed.
Related listings: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-4] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-2] (Aluminum, Black) · full catalog
We ship fast from our own shelves, and tracking reaches your inbox as soon as the carrier receives the parcel.
For safety and service guidance from outside the aftermarket, see the fuel economy maintenance guidance.
Frequently asked questions
What do you need to verify fitment?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
When will my order dispatch?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
How do returns work here?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
Is this checked before shipping?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![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)
![HPS NPT Allen Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_11e3bb56-b4df-4954-84cd-0d354b2dd8ff-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)
Reviews
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