This page lists the HPS AN Male to NPT Adapter Fitting [45 Degree] [-4 to 3/8 NPT] (Aluminum, Black), including what it fits and what we check before dispatch.
![HPS AN Male to NPT Adapter Fitting [45 Degree] [-4 to 3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN823_1_8bda6fc5-54da-4fcb-85cb-949f906ea356-2.jpg)
Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Route clear of heat sources and moving components.
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.
What you are buying
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $25.54 with free shipping over $99
- Availability: in stock, dispatched from the USA
A free fitment check takes minutes: send your year, make and model and we will confirm this is the correct part.
Related listings: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-8] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-6] (Aluminum, Black) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
Independent information on this topic lives at the Car Care Council maintenance tips.
Questions we get about this part
What do you need to verify fitment?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
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 is the return policy?
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?
We verify diameter and reinforcement specification on every hose order.
![HPS AN 3-Way Tee Adapter (Tee with female on run) Fitting [Tee] [AN -8] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN9261_1_be005c51-8bd2-46a9-92b6-7e329201ec21-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M16 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_b0b8871f-2b21-4f3d-9270-e611d31355a7-300x300.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
There are no reviews yet.