FitBest Carburetor with 2 Primer Bulbs and Gaskets for Walbro# WT-973 Troy-bilt TB21EC TB22EC TB32EC TB42BC TB80EC Trimmers New quality replacement carburetor produced by OEM factory Replaces Carburetor OEM Number: MTD 753-06190, Walbro WT-973 Fits Cub Cadet, Troy Bilt, Craftsman, Yardman, Ryobi, MTD, Weedeater trimmers Package includes: 1 x carburetor, 2 x primer bulbs, 2 x gaskets