New high quality homelite echo stihl robi zama primer bulb pouland primer bulb. Fits: Zama, C1Q, C1U, C1M carburetors Selected echo, homelite, mcCulloch, etc. blowers, brushcutters and chainsaw. Size: Bulb height: 0. 75"(19mm) Bulb flange diameter: 0.85"(21.6mm) Bulb diameter: 0.725"(18.5mm) This is non original aftermarket parts, you will receive exactly showed on the picture, please check the pictures for compatibility before ordering it, we have the great confidence with the quality of our parts and provide 3months warranty too.