HURI Primer bulb Fuel Line for Snowthrower HMSK100 HMSK105 HMSK110 AV520 Replacement parts,non original Replace 570682 570682A 751-10639, 951-10639A & 570629B 23120003 321802A 570629 OD: 1 3/4" (43.4 mm) Height: 1 1/2" (38.7 mm),The length of the pipe is 240mm Package include 3pcs primer bulbs + 1pc fuel line + 1pc HURI pocket tape Note:you could apply for a full refund if you didn't receive HURI branded pocket tape.