The HPS AN Male to Male Union Adapter (Reducer) Fitting [Straight] [AN -4 to -3] (Aluminum, Black) is ready to ship today, with the paperwork and specs that back it up.
![HPS AN Male to Male Union Adapter (Reducer) Fitting [Straight] [AN -4 to -3] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN919_1_53508f7d-4d68-4eff-981d-9ba8c6d51bb7-1.jpg)
Silicone tolerates far more heat than standard rubber and stays flexible for many years. Route clear of heat sources and moving components.
Ordering the hps an male to male union adapter takes a minute and the confirmation reaches you straight away.
Our team knows the hps an male to male union adapter well, so ask if anything about the specification is unclear.
Stock of the hps an male to male union adapter is live on this page rather than estimated.
Specifications
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $16.01 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.
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Before you order
How do I confirm this fits?
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?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What is the return policy?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What happens before my order ships?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M20 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_9ea8f01c-f6ee-43ae-9912-654e10e73c03-300x300.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 1/2 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_b76d947d-1e43-4e38-b986-a8f6682cdca6-300x300.jpg)
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