ECHO Genuine OEM Gas Cap P021037920 – Fits CS-310, CS-352, CS-400, CS-440, CS-450, CS-510, CS-520 Chainsaws

Lost or cracked the gas cap on your trusty ECHO chainsaw?

This is the exact factory replacement you need.

It's a brand-new, genuine OEM ECHO part with part number P021037920.

No aftermarket guesswork here—it's built to the same specs as the one that came on your saw.

It fits a ton of popular ECHO models including the CS-310, CS-352, CS-400, CS-440, CS-450, CS-510, and CS-520.

Just screw it on and get back to cutting.

It's a simple, affordable fix for a crucial part that keeps fuel where it belongs.

Made by ECHO, so you know it's good to go.

Don't run your saw with a bad cap, grab this OEM replacement and seal it up tight.