![HPS NPT Hex Plug Fitting [3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN933_1_1c08241a-c2ec-4139-bfbd-8142d10147e2-2.jpg)
Consider the HPS NPT Hex Plug Fitting [3/8 NPT] (Aluminum, Black) sourced: we stock it, verify it and send it out fast.
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.
Buyers comparing the hps npt hex plug fitting will find the specification detail on this page rather than in a catalog footnote.
The hps npt hex plug fitting listed here is checked against your vehicle before dispatch.
Every hps npt hex plug fitting order goes through the same fitment review.
At a glance
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $15.51 with free shipping over $99
- Availability: in stock, dispatched from the USA
Ask before you order and the only surprise on installation day is how smoothly it goes.
Related listings: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-4] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-2] (Aluminum, Black) · full catalog
We pack for the worst day the carrier can have, which keeps our damage rate low.
A neutral reference for this work is the fuel economy maintenance guidance.
Before you order
Is fitment guaranteed on this listing?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
Do you ship the same day?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
What happens if it arrives damaged?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
Is this checked before shipping?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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