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

Earl's Performance 961604ERL Straight Male AN to NPT Adapter Fitting - 4 1/8

Part of: Earl's Performance Straight Aluminum AN to NPT Adapter Fittings

Other options in this family: Earl's Performance AT981606ERL Earl's Performance 981662ERL Earl's Performance AT981688ERL Earl's Performance 981603ERL Earl's Performance AT981608ERL

Manufacturer

Picture for manufacturer Earl's Performance

Part Number

961604ERL
11 reviews
Sale Price

$5.72

In Stock (6)

delivery box

Usually delivered within 2 days

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 Earl's Performance 961604ERL is a straight male adapter fitting designed to connect AN -4 (dash 4) lines to 1/8" NPT threaded ports. This essential plumbing component features zinc-plated domestic steel construction for excellent corrosion resistance and durability in high-pressure applications.

Key Features:

  • AN -4 male flare on one end, 1/8" NPT male threads on the other
  • Zinc-plated steel construction for corrosion resistance
  • High-pressure rated for fuel, oil, and coolant systems
  • Precision-machined threads for reliable, leak-free connections
  • Made in the USA with domestic materials

Ideal for custom fuel system builds, oil pressure gauge installations, nitrous systems, and other performance plumbing applications where you need to adapt between AN hose and NPT-threaded components. Earl's Performance fittings are trusted by professional race teams and enthusiasts for their quality and reliability.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Products specifications

Adapter AN Size ( A )

4 AN MALE

Adapter NPT Size ( B )

1/8 NPT MALE

Adapter Type

AN to NPT Straight

Brand

Earl's

Category

Air and Fuel Delivery

Emission Code

5

Finish

Electroless Nickel Plated

Material

Steel

Part Type

Fuel Hose Fitting

Product Line

Premium

Product Type

AN to NPT Straight

Sub Category

Hardware, Fasteners and Fittings

Warning

California Proposition 65

Wow!! I came across Autoplicity while searching for a fuel pump for my Trans-Am. Not only did they have the cheapest price for the part, but they also had extremely reasonable shipping cost. Most websites claim to have free shipping but it seemed the cost of shipping was added to the cost of their part. Then I find out my order was processed and shipped within one business day!! I'll definately be bookmarking Autoplicity's home page!! Thanks!!

fast and efficient site. Good prices

Bought some wire looms for my Chevy from them. Great price, service, and shipping speed!

The item arrived fast and in good condition. There however seems to be a glitch with the scale the first time we weighed something. After we shut it off and then back on it seemed to be OK.

easy

I ordered a Grant 1103 Steering Wheel, Order Number: 16767. Great prices, quick shipping, good customer service, an all around deal. Thank you.

The part I purchased had the lowest price I could find online anywhere.. Simple transaction and fast shipping.. Ordered on a Monday and delivered by Friday..

It has been a smooth and easy process. I would definitely use them again.

Great Prices and Very Fast Shipping. Will order again in the future. Customer Service was great when I called about a question with my order.

Great prices and fast delivery.

best prices around !! Shipping was FAST !

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