Genuine Poulan/Weedeater Authorized Substitution : The part number 507475530 has been changed to 507116090. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475548 has been changed to 50747620018. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475570 has been changed to 507475568. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475590 has been changed to 5074760748. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475596 has been changed to 507475110. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475597 has been changed to 507475111. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475614 has been changed to 5074760748. While the new part may look different, it is a manufacturer approved substitution.