Make sure you haven't got the discount earlier.
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)
USE WPL 815131 57001048
Fits your M439B1 Microwave!
Fits your M439B1 Microwave!
PartSelect Number PS2054407
Manufacturer Part Number 57001048
Manufactured by
Whirlpool
![Customer Service Representative](https://partselectcom-gtcdcddbene3cpes.z01.azurefd.net/images/csr-partdetail.jpg)