Everest Metering Diaphragm Fits Stihl MS270 MS280 MS290 MS310 MS390 $ 9.95 Default Title Add to Cart Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Replaces 4116-121-4700 Includes 1x Gasket