Goodridge -3 AN to 1/8-27 NPT Male Straight Chrome Brake Line Fitting Adapter
Get your custom brake lines sorted with the best hardware in the industry. This Goodridge straight adapter fitting is the go-to solution for connecting standard -3 AN female brake lines to calipers, master cylinders, or oil tanks with 1/8-27 NPT ports. Whether you are building a hardtail chopper or upgrading the stopping power on your Dyna, cheap fittings aren’t worth the risk—Goodridge components are precision-machined for a leak-proof seal you can trust.
Finished in a durable, high-luster chrome, this fitting blends seamlessly with other chrome components on your front end or controls. It features a straight design for clean routing and includes the correct taper to seal NPT ports without the need for excessive Teflon tape or sealant.
Features & Specs:
- Application: Adapts 1/8-27 NPT female ports to -3 AN male flare.
- Thread A: 1/8-27 NPT (National Pipe Taper) Male
- Thread B: -3 AN Male (3/8-24 Thread)
- Angle: Straight
- Finish: Show Quality Chrome
- Material: Steel
- Part Number: P816-03CH
Fitment Information:
This is a universal fitment part designed for custom fabrication. It will fit any motorcycle brake caliper, master cylinder, proportioning valve, or hydraulic clutch component that utilizes a 1/8-27 NPT threaded port.
- Commonly used on aftermarket calipers (Wilwood, GMA, etc.)
- Commonly used on custom master cylinders and oil tank fittings.
- Note: Not for use with metric fluid ports or banjo bolt setups.





