This page lists the HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-4] (Aluminum, Black), including what it fits and what we check before dispatch.
![HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-4] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN924_1_b3b02446-bb57-4923-94c8-4facf98dba7e.jpg)
Reinforcement ply count determines burst strength, which matters most on boosted applications. Measure inner diameter at the fitting rather than estimating by eye.
If your build is unusual, tell us and we will confirm the hps an female bulkhead jam nut an against it.
Details that matter
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $13.43 with free shipping over $99
- Availability: in stock, dispatched from the USA
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
Browse nearby: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-12] (Aluminum, Black) · HPS AN Female Bulkhead Jam Nut AN Fitting [Straight] [-8] (Aluminum, Black) · full catalog
Orders placed before early afternoon usually leave our USA warehouse the same business day, with tracking emailed at label creation.
Further reading from a neutral source: the fuel economy maintenance guidance.
Before you order
Will this part fit my vehicle?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
How fast does this ship?
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?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What quality checks does this get?
We verify diameter and reinforcement specification on every hose order.
![HPS AN Male to NPT Adapter Fitting [Straight] [-8 to 3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_a94183bf-0c19-4e60-a94a-8eee322012ab-300x300.jpg)
![HPS AN Female Flare Cap Fitting [Straight] [AN -16] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN929_1_c735b1de-9c47-4378-8770-106277ec99ca-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 AN 3-Way Tee Adapter (Tee with female on run) Fitting [Tee] [AN -6] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN9261_1_13ceb207-d699-42c1-9a48-035b83f670cc-300x300.jpg)
Reviews
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