MTD Authorized Substitution
The part number 731-1443-0637 has been changed to part number 731-1443-0638. While the new part may look different, this is a MTD approved substitution.
Please note that the price and availability shown is for the new part number 731-1443-0638.
Part number 731-1443-0638 has been discontinued by MTD. We apologize for the inconvenience.
|Old Part Number||731-1443-0637|
|New Part Number||731-1443-0638|