PartSmith Co. supplies the HPS AN Female to Male Flare Adapter (Reducer) Fitting [Straight] [AN -4 to -3] (Aluminum, Black) to drivers, shops and fleets across the USA.
![HPS AN Female to Male Flare Adapter (Reducer) Fitting [Straight] [AN -4 to -3] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN894_pic1_1-2.jpg)
Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Replace both the upper and lower runs while the system is open.
The hps an female to male flare adapter listed here is checked against your vehicle before dispatch.
Every hps an female to male flare adapter order goes through the same fitment review.
Part details
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $18.06 with free shipping over $99
- Availability: in stock, dispatched from the USA
We would rather answer a question before you buy than process a return afterward, so ask freely.
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Orders are checked against your vehicle details before they are sealed, then dispatched quickly.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Quick answers
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.
How long does delivery take?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
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 Push-on Hose End to AN Female Fitting [120 Degree] [-12] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/150-120_1_635e984b-3fc3-4cc7-aaac-b24669ef133f-300x300.jpg)
![HPS NPT Allen Plug Fitting [1/2 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_905b27b0-3c7d-4fa0-ad9c-55f954a9d8c0-300x300.jpg)
![HPS NPT Hex Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN933_1-300x300.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)
Reviews
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