Genuine Poulan/Weedeater Authorized Substitution : The part number 50712453311 has been changed to 507124533. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 5071246131 has been changed to 507124613. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507124622S has been changed to 507476656. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507124690 has been changed to 530069202. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507124839 has been changed to 507475839. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507130450 has been changed to 507431645. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507132492 has been changed to 507431684. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507151125 has been changed to 507100125. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507177229 has been changed to 507100125. While the new part may look different, it is a manufacturer approved substitution.