Part Specifications:
- WALBRO WA and WT model carburetors.
- Not compatible with greater than 10% ethanol fuel , Popular for most trimmers , Replaces 350-510, 350-512, 350-516, 350-521, 350-522, 350-530, 350-532, 350-533, 350-534, 350-535, 350-536, 350-541, 350-542, 350-548 and 350-558.

OEM Cross Reference:
- Stihl 4133 007 1060, Stihl 8888 000 0090, Stihl 0000 007 1073, Walbro D4-WAT, Walbro D1-WAT, Walbro D2-WAT, Walbro D10-WAT.
- Dealer Choice 33-1202, ESF 122-980, Foley/PLP 122-980, Laser 48056, Laser 40731, NHC 203-5713, Oregon 49-812, Prime Line 7-07128, Prime Line 7-07148, Quality 143326, Rotary 4179, Sunbelt K10-WAT, Sunbelt WAL-D10-WAT, Sunbelt WAL-D10-WTA