Walbro Carburetor No. WT-629-1. This is an original walbro carburetor that replaces part number WT 629, WT629, WT-629-1, WT-538 and WT538. If this is a replacement for the WT-538 you will need to plug the second nipple.
Wisconsin Robin Complete Carburetor No. 278-62314-30. This is a true OEM Wisconsin Robin carburetor. Replaces part numbers 278-62314-10, 2786231410, and 2786231430.
Zama Carburetor No. Z011-120-0686-A. Zama Carburetor fits Echo models SRM2100, GT2000, GT2100, ST2000SB, PAS & PDSR. Replaces part number C1U-K52. This is a true OEM Zama Carburetor.
Zama Carburetor No. Z011-120-0689-B fits Echo model TC2100. This is a true OEM Zama Carburetor. Replaces part numbers C1U-K54, Z011-120-0689-A, Z0111200689A and Z0111200689B,
Zama Complete Carburetor No. C1Q-W31B. This carburetor fits on Husqvarna 125L trimmers. 2004-07. This is the original Husqvarna trimmer carburetor part number 545006060 and 545 00 60-60.