Make sure you haven't got the discount earlier.
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)
Knob 43703937630
Fits your CS-680S Chainsaw!
Fits your CS-680S Chainsaw!
PartSelect Number PS8975638
Manufacturer Part Number 43703937630
Manufactured by
Echo
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)