The HPS AN Male to Female Expander Adapter Fitting [Straight] [AN -4 to -6] (Aluminum, Black) is ready to ship today, with the paperwork and specs that back it up.
![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.jpg)
Petroleum contact requires the correct lining, so fuel and oil routing needs the right specification. Replace both the upper and lower runs while the system is open.
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.
Part details
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $19.72 with free shipping over $99
- Availability: in stock, dispatched from the USA
Our fitment desk exists precisely for the listings where the specification is easy to misread.
Keep shopping: Hoses & Fittings · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-6] (Aluminum, Black) · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-4] (Aluminum, Black) · full catalog
You get honest delivery estimates rather than optimistic ones, quoted live for your address.
When you want a second opinion that is not a parts store, read the NHTSA vehicle safety hub.
Common questions
Can you check fitment before I order?
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.
What are the shipping times?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
Can I return this part?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What quality checks does this get?
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 AN Male to NPT Adapter Fitting [Straight] [-8 to 1/4 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_8fbe7cf9-52b7-41cb-9b7c-e7396fcd09ae-300x300.jpg)
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