Specifications Hign-concerned Chemical:None Brand Name:DCNB Origin:Mainland China Product Description: Brand new high quality Made of high-quality materials for durability A021001921 Carburetor for Echo CS-370 CS-400 CS-400F Wal bro WT-985 Chainsaw Interchange Part Numbers: Echo A021001921, A021001920, A021001700 Wal bro WT-985 WT-594-1 WT-946 furnish: ECHO CS-310, CS-370, CS-400, CS-400F, CS-510, CS-520 and new Yamato 402s CS-310 SN: C04511001001 - C04511999999-->Carburetor CS-310 SN: C04612001001 - C04612999999-->Carburetor CS-310 SN: C04713001001 - C04713999999-->Carburetor CS-310 SN: C23926001001 - C23926999999-->Carburetor CS-310 SN: C32914001001 - C32914999999-->Carburetor CS-370 S/N: C33714001001 - C33714999999-->Carburetor CS-400 S/N: C08111019801 - C08111999999-->Carburetor S/N C08111019801-C08111999999 CS-400 S/N: C09212001001 - C09212999999-->Carburetor S/N C09212060001-C09212999999 CS-400 S/N: C10013001001 - C10013999999-->Carburetor S/N C10013017101-C10013999999 CS-400 S/N: C33714001001 - C33714999999-->Carburetor CS-400 S/N: C69715001001 - C69715999999-->Carburetor CS-400F Serial Number: C27812001001 - C27812999999-->Carburetor CS-400F Serial Number: C27911001001 - C27911999999-->Carburetor CS-400F Serial Number: C28013001001 - C28013999999-->Carburetor CS-400F S/N: C33814001001 - C33814999999-->Carburetor CS-400F S/N: C69815001001 - C69815999999-->Carburetor Shindaiwa 402s S/N: C37414001001 - C37414999999--> Chainsaw Carburetor Shindaiwa 402s S/N: C37513001001 - C37513999999--> Chainsaw Carburetor Shindaiwa 402s S/N: C69915001001 - C69915999999--> Chainsaw Carburetor Package Included: 1 * carburetor Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Replace Part Number for Echo A021001921 A021001920. Fits for Walbro WT-985. Carburetor for Echo CS-400 ,Echo CS-370 ,Echo CS-400F Chainsaws.