AYP/Poulan Authorized Substitution
The part number 539 99 11-20 has been changed to part number 539991120. 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 539991120.
|Old Part Number||539 99 11-20|
|New Part Number||539991120|