Make sure you haven't got the discount earlier.
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)
O-RING- PU 99001979
Fits your MDC4000AWX Dishwasher!
Fits your MDC4000AWX Dishwasher!
PartSelect Number PS2099413
Manufacturer Part Number 99001979
Manufactured by
Whirlpool
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)