Genuine Poulan/Weedeater Authorized Substitution : The part number 507475398 has been changed to 545145426. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475398J has been changed to 545145426. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475400 has been changed to 5074762741. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475401 has been changed to 507476606. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475405 has been changed to 50747629618. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475417 has been changed to 507473912. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475427 has been changed to 507475355J. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475427J has been changed to 507475355J. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507475428 has been changed to 5074766046. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 5074754286 has been changed to 5074766046. While the new part may look different, it is a manufacturer approved substitution.