Primer Bulb - ZAMA

Echo part numbers: P005-003120, 125381-08660
MARUYAMA PARTS: 261874
SHINDAIWA PARTS: 12538-108660
STIHL PARTS: 4226 121 2700
WALBRO PARTS: 188-13-1
ZAMA PARTS: 0057003, 0057004, 0057030, 57003, 57004
Fits Model - Echo: most C1M, C1Q and C1U Zama carburetors
Fits Model - Zama: C1U and C1Q/M carburetors
Suits Walbro HDA and WYK carburettors
Inside diameter: 17.3mm
Outside diameter: 23.2mm