The HPS AN Male to Male Union Adapter Fitting [45 Degree] [AN -4] (Aluminum, Black) is in stock at PartSmith Co. and ready for dispatch from our USA warehouse.
![HPS AN Male to Male Union Adapter Fitting [45 Degree] [AN -4] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN813_1_63f9009c-913b-4e64-adc3-57c2320abe7c-1.jpg)
Silicone tolerates far more heat than standard rubber and stays flexible for many years. Measure inner diameter at the fitting rather than estimating by eye.
The important numbers
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $23.10 with free shipping over $99
- Availability: in stock, dispatched from the USA
Message us the vehicle details and we will confirm compatibility, including anything unusual about your build.
Continue browsing: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-6] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-4] (Aluminum, Black) · full catalog
Our warehouse team packs the way they would want their own parts to arrive.
Independent information on this topic lives at the fuel economy maintenance guidance.
Buyer questions
How do I confirm this fits?
We verify every doubtful order by hand. Give us the year, make, model and engine option and we will confirm compatibility in one reply.
How quickly can I get this?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What if it does not fit?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.
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![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)
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