Make sure you haven't got the discount earlier.
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)
Mulch Plug 731-1636
Fits your 665 Lawn Tractor!
Fits your 665 Lawn Tractor!
PartSelect Number PS9106238
Manufacturer Part Number 731-1636
Manufactured by
MTD
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)