Replaces OEM #: Walbro 188-13-1, 188-13
Fits Walbro HDA & WYK carburetor's.

Replaces OEM #: ECHO 123181-26030
SHINDAIWA 20036-81670
WALBRO 188-11, 188-11-1
Fits Walbro W-Z3-W-Z2, WZ-26-WZ-33, WZ-35, WZ-38, WZ-39 & WZ-43 carburetor's.

Replaces OEM #: Walbro 188-506
Fits Walbro HDA-97 carburetor.

Replaces OEM #: Walbro 188-508
Fits jWalbro HDA-51, WA-180,  WA-181,  WA-185 carburetors.

Replaces OEM #: Walbro 188-509
Fits Walbro WA-135, WA-148A, WA-150, WA-154 carburetors.

Replaces OEM #: Walbro 188-511
Fits Walbro WA-140 carburetor.

Replaces OEM #: Ryobi 181801, 181168, 181558
Walbro 188-512, 188-512-1
Fits Ryobi trimmers (red).