Looking For SAE J1114 Solutions?

In order to comply with EPA regulations for evaporative emission standards, a new insert is required to fit the threaded cap standard SAE J1114.

This regulation states: “Use a tethered or self-closing gas cap on a fuel tank that stays sealed up to a positive pressure of 24.5 kPa (3.5 psig) or a vacuum pressure of 0.7 kPa (0.1 psig).” A link to the complete regulation can be found here.

To help you with this regulation Caps and Necks offers the complete solution with a specially threaded gas cap, a full line of filler necks and even hose beads to help you fit your requirement.

Want to retrofit an existing tank without having to weld a new opening in your fuel neck? Caps and Necks also offer a specially made neck inserts that simply slide into your existing filler neck to convert your fuel tank to be in compliance with this regulation. These parts also allow you to use the new tethered caps, CJ-5299.