This is the HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 3/8 NPT] (Aluminum, Black), stocked in our warehouse and backed by a free fitment check.
![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-1.jpg)
Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Replace both the upper and lower runs while the system is open.
The hps an male to npt adapter fitting ships protected, because a damaged part helps nobody.
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.
At a glance
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $16.16 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 Male to Male Union Adapter AN Fitting [Straight] [-6] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-4] (Aluminum, Black) · full catalog
We pack for the worst day the carrier can have, which keeps our damage rate low.
Before you start the job, the fuel economy maintenance guidance is worth five minutes.
Buyer questions
How do I know this is the right part?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How fast does this ship?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
Is there a warranty on this?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
How do you protect it in transit?
We verify diameter and reinforcement specification on every hose order.
![HPS AN Female Flare Cap Fitting [Straight] [AN -16] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN929_1_c735b1de-9c47-4378-8770-106277ec99ca-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)
![HPS AN Male to NPT Adapter Fitting [Straight] [-8 to 3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_a94183bf-0c19-4e60-a94a-8eee322012ab-300x300.jpg)
Reviews
There are no reviews yet.