This listing covers the HPS AN Female Flare Cap Fitting [Straight] [AN -4] (Aluminum, Black), one of the parts our fitment desk checks most often.
![HPS AN Female Flare Cap Fitting [Straight] [AN -4] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN929_1_dc745383-5e3b-451b-bd09-7ac1d7f65a86-1.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.
The hps an female flare cap fitting ships protected, because a damaged part helps nobody.
Drivers choose the hps an female flare cap fitting here for honest specification detail and quick dispatch.
Quick specs
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $16.17 with free shipping over $99
- Availability: in stock, dispatched from the USA
Send the old part number or a photo and we will match it against this listing before you commit.
Continue browsing: Hoses & Fittings · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-4] (Aluminum, Black) · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-2] (Aluminum, Black) · full catalog
Orders are checked against your vehicle details before they are sealed, then dispatched quickly.
Further reading from a neutral source: the fuel economy maintenance guidance.
Before you order
How do I confirm this fits?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How long does delivery take?
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?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
What happens before my order ships?
We verify diameter and reinforcement specification on every hose order.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M18 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_f414e18f-37ad-4910-8abb-c7f9ac2080bf-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-8 to M14 x 1.25] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_2d43096e-0176-48a6-aafa-d4ad5b2e739f-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
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