Genuine Echo Authorized Substitution : The part number C300000290 has been changed to C300000291. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000310 has been changed to P021017220. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000311 has been changed to P021017220. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000312 has been changed to P021017220. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000350 has been changed to P021015241. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000351 has been changed to P021015241. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000360 has been changed to C300000920. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000361 has been changed to C300000920. While the new part may look different, it is a manufacturer approved substitution.

Genuine Echo Authorized Substitution : The part number C300000400 has been changed to C300000401. While the new part may look different, it is a manufacturer approved substitution.