The HPS AN Male to NPT Adapter Fitting [Straight] [-4 to 1/8 NPT] (Aluminum, Black) sits in the Hoses & Fittings department here, stocked and fitment checked.
![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-8595bc6d2a11-1.jpg)
Silicone tolerates far more heat than standard rubber and stays flexible for many years. 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.
The important numbers
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $14.67 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.
Also worth a look: 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
You get honest delivery estimates rather than optimistic ones, quoted live for your address.
Independent information on this topic lives at the NHTSA vehicle safety hub.
Frequently asked questions
How do I confirm this fits?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How quickly can I get this?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What if it does not fit?
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 this checked before shipping?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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![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 [3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_6be249de-b49f-4373-8667-06e8edb296af-300x300.jpg)
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