AYP/Poulan Authorized Substitution
The part number 539 10 43-21 has been changed to part number 539104321. While the new part may look different, this is a AYP/Poulan approved substitution.
Please note that the price and availability shown is for the new part number 539104321.
|Old Part Number||539 10 43-21|
|New Part Number||539104321|