FDJ Carburetor Fit for Echo SHC-260 SHC-261 trimmer PB-260L SRM- 260S SRM -261S PPT-260 PPT-261 Power Leaf Blower Walbro WYJ-138 WYK-186 Fit for walbro WYJ-138 WYK-186 PMW part # 4088. It not fit for Walbro WYK 353 carburetor Fits Echo SHC-260 SHC-261 trimmer, PB-260L, SRM- 260S SRM -261S PPT-260 PPT-261 Power Blower Shindaiwa T242X T242 LE242 string trimmer 22.5cc,23cc ZENOAH G23LH and G2D Goped engine Note: This is the Non original aftermarket part, please make sure it can fit on your chainsaw before buy it.