My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Nitrous Express 16163 -4AN Blue B-Nut Fitting (Qty 1)

Manufacturer

Picture for manufacturer Nitrous Express

Part Number

16163
7 reviews
Sale Price

$7.33

Estimated ship date Tuesday, November 24

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Nitrous Express 16163 is a -4AN (4AN) Blue B-Nut replacement fitting designed for use with Nitrous Express nitrous oxide delivery systems. The blue anodized finish provides easy size identification at a glance, while the precision-machined construction ensures a leak-free, secure connection in high-pressure nitrous line applications.

Key Features:

  • -4AN (4AN) thread size — compatible with standard 4AN line and fittings
  • Blue anodized finish — provides corrosion resistance and quick visual size identification
  • High-pressure rated — engineered specifically for nitrous oxide system plumbing
  • Precision machined — ensures consistent thread engagement and leak-free sealing
  • Sold individually (Qty 1) — ideal as a replacement or for custom plumbing configurations

Nitrous Express fittings and hardware are purpose-built to complement NX nitrous systems, giving installers the components needed for clean, reliable plumbing. The 16163 B-nut is a direct replacement or supplemental component when building or servicing your nitrous line connections.

Products specifications

Add-On Part

16002, 16422, 16006, 18959, 15985

Color

Blue

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

The order was easy and shipment was fast.They had what i was looking for at a great price.

Autoplicity was plenty cheaper than competitors for the springs I needed. I was shopping around and left the website after beginning a transaction and they sent me a coupon for 25% off shipping if I would return and purchase from them, which was cool. Unfortunately the coupon code didn't change the price and I didn't receive 25% off, but it was still cheaper than others.

Very happy so far

Great product! Don't even think about another battery hold down - this one is strong, light and has the good looks to boot. Saved over $30 on it too.

No hassle ordering and fast quality shipping at a reasonable price.

The service Autoplicity provides is top notch!! Shipping is fast, customer service is very helpful and the products are great!! Most of all, you cannot beat the prices. I would recomment Autoplicity to anyone looking to save a little money on those must have auto parts!!!

The sales/service team were very helpful and they had the cheapest price for an air filter that I could find. I will definitely shop here again!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy