Genuine Poulan/Weedeater Authorized Substitution : The part number 507433748 has been changed to 507433747. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507433749 has been changed to 507433401. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507433754 has been changed to 507476624. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507433755 has been changed to 507474590. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 50743376614 has been changed to 50743376611. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507433768 has been changed to 507433768S. While the new part may look different, it is a manufacturer approved substitution.

Genuine Poulan/Weedeater Authorized Substitution : The part number 507433773 has been changed to 507476747. While the new part may look different, it is a manufacturer approved substitution.