This is the HPS AN Male to Male Union Adapter (Reducer) Fitting [Straight] [AN -12 to -10] (Aluminum, Black), stocked in our warehouse and backed by a free fitment check.
![HPS AN Male to Male Union Adapter (Reducer) Fitting [Straight] [AN -12 to -10] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN919_1_eaafa8c9-6bd7-4cb9-a454-179558478c6f-2.jpg)
Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Route clear of heat sources and moving components.
What you are buying
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $27.07 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.
More in this department: 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
Fast dispatch matters when a vehicle is off the road, which is why we prioritize same day picking.
General guidance on this system is published in the fuel economy maintenance guidance.
Common questions
Is fitment guaranteed on this listing?
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.
Do you ship the same day?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
Is there a warranty on this?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
How do you protect it in transit?
We verify diameter and reinforcement specification on every hose order.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M20 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_9ea8f01c-f6ee-43ae-9912-654e10e73c03-300x300.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)
![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 AN Male to Metric Adapter Fitting [Straight] [-6 to M14 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_ef8cf05a-8f9b-4a44-938e-d86cae0e4307-300x300.jpg)
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