Genuine Echo Authorized Substitution : The part number A021000121 has been changed to A021000122. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000131 has been changed to A021000132. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000140 has been changed to A021000142. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000141 has been changed to A021000142. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000180 has been changed to A021000181. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000230 has been changed to A021000232. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000231 has been changed to A021000232. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000240 has been changed to A021000241. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number A021000260 has been changed to A021000261. While the new part may look different, it is a manufacturer approved substitution.