Silver Streak # 615764 OEM Primer Bulb for Husqvarna 503 93 66-01, RYOBI 683974, RYOBI 791-68

OEM Primer Bulb / Walbro 188-512-1 Pack Size:1 HUSQVARNA 503 93 66-01, RYOBI 683974, RYOBI 791-683974 B, WALBRO 188-512, WALBRO 188-512-1 BYNORM 386-302, DEALER CHOICE 33-1204, ESF 014-012, LASER 48145, OREGON 49-088, OREGON 49-088-0, OREGON 55-138, PRIME LINE W188-512, ROTARY 11510, SUNBELT WAL-188-512 WALBRO WT-23A, WYJ-33, WYJ-34, WYJ-45, WYJ-92, WYJ-94 and WYJ-86 carburetors; HUSQVARNA K750 and K760 cut off saws and many chainsaws, blowers, hedge trimmers and string trimmers Not compatible with greater than 10% ethanol fuel