Carburetor replaces part #:<br> Echo A021001641 A021001642<br> Walbro WLA-1<br> Carburetor fits the following Echo Gas Blower models:<br> Eb508rt S/N: P38712001001 - P38712999999-->Carburetor -- WLA-1<br> Eb508rt S/N: P38811001001 - P38811999999-->Carburetor -- WLA-1<br> Eb508rt S/N: P38913001001 - P38913999999-->Carburetor -- WLA-1<br> Pb-500 S/N: P02837001001 - P02837002000-->Air Cleaner, Carburetor<br> Pb-500 S/N: P02837001001 - P02837002000-->Carburetor -- WLA-1<br> Pb-500 S/N: P02837002001 - P02837999999-->Air Cleaner, Carburetor<br> Pb-500 S/N: P02837002001 - P02837999999-->Carburetor -- WLA-1<br> Pb-500h S/N: P01913001001 - P01913999999-->Carburetor<br> Pb-500h S/N: P02112001001 - P02112999999-->Carburetor<br> Pb-500h S/N: P02311001001 - P02311999999-->Carburetor<br> Pb-500h S/N: P31312001001 - P31312999999-->Carburetor<br> Pb-500h S/N: P31513001001 - P31513999999-->Carburetor<br> Pb-500h S/N: P33011001001 - P33011999999-->Carburetor<br> Pb-500t S/N: P01813001001 - P01813999999-->Carburetor<br> Pb-500t S/N: P02011001001 - P02011999999-->Carburetor<br> Pb-500t S/N: P02212001001 - P02212999999-->Carburetor<br> Pb-500t S/N: P31212001001 - P31212999999-->Carburetor<br> <br> Note: Please check carefully this item before purchasing£¬<br> Or leave us messages for assistance if you are not sure about the fitment.<br> Package Includes:<br> 1 x Carburetor <br> 1 x Fuel filter<br> 2 x Fuel lines<br> 2 x Primer bulbs<br> 2 x Gaskets <br> 1 x Air filter<br> 1 x Spark plug