Order the HPS AN Male to Female Expander Adapter Fitting [Straight] [AN -4 to -6] (Aluminum, Black) from a parts team that verifies fitment before anything leaves the building.
![HPS AN Male to Female Expander Adapter Fitting [Straight] [AN -4 to -6] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN951_1_f344e81b-811d-4be5-818d-532bac736f23-3.jpg)
Petroleum contact requires the correct lining, so fuel and oil routing needs the right specification. Measure inner diameter at the fitting rather than estimating by eye.
Stock of the hps an male to female expander adapter is live on this page rather than estimated.
Shops order the hps an male to female expander adapter from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps an male to female expander adapter against it.
What you are buying
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $19.72 with free shipping over $99
- Availability: in stock, dispatched from the USA
Fitment questions get answered by people who work with these parts daily, usually the same business day.
Customers also open: 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
Finished surfaces are wrapped and hardware is bagged, so the part arrives ready to install.
For safety and service guidance from outside the aftermarket, see the fuel economy maintenance guidance.
Quick answers
Can you check fitment before I order?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
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.
What is the return policy?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
How do you verify this part?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS Push-on Hose End to AN Female Fitting [120 Degree] [-10] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_2ac48160-6f50-4c53-8c37-0cf776a30fac-300x300.jpg)
![HPS Push-on Hose End to AN Female Fitting [120 Degree] [-8] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_b7ae2165-4f89-472c-a9fc-72ba3e09b875-300x300.jpg)
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