This listing covers the HPS AN Male to Metric Adapter Fitting [Straight] [-4 to M12 x 1.0] (Aluminum, Black), one of the parts our fitment desk checks most often.
![HPS AN Male to Metric Adapter Fitting [Straight] [-4 to M12 x 1.0] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_4891b310-f8c1-4203-b3a2-8e8cb3b01fd5-1.jpg)
Hoses and fittings work under pressure and heat, where material choice decides service life. Re check clamp torque after the first few heat cycles.
Buyers comparing the hps an male to metric adapter fitting will find the specification detail on this page rather than in a catalog footnote.
The hps an male to metric adapter fitting listed here is checked against your vehicle before dispatch.
Every hps an male to metric adapter fitting order goes through the same fitment review.
Details that matter
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $18.55 with free shipping over $99
- Availability: in stock, dispatched from the USA
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
See also: Hoses & Fittings · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-10] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-8] (Aluminum, Black) · full catalog
Stock levels shown here are live, so what you order is what is on the shelf ready to travel.
Background reading that is not trying to sell you anything: the fuel economy maintenance guidance.
Quick answers
Will this part fit my vehicle?
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?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
How do returns work here?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What quality checks does this get?
We verify diameter and reinforcement specification on every hose order.
![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)
![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)
![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)
Reviews
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