Oregon 49-816 Carburetor Rebuild Kit Lawn Mower Replacement Part Oregon 49-816 Replacement Carburetor Rebuild Kit For WA and WT series carburetors Replaces Walbro K10WA&T, K6WA, Echo 123100-0296, 123100-04260, 123100-04261, 123100-04930, 123100-05960, 123100-06520, 123100-07320, 123100-09220, 123100-09320