Easy-to-install primer pump for Stihl/Weed Eater/McCulloch/Ryobi Echo

General descriptionEasy-to-install primer pump designed for various chainsaw, blower, and brush cutter carburetors featuring ratchet primer systems. This high-quality replacement primer bulb is compatible with brands such as McCulloch, Craftsman, Husqvarna, Poulan, Sears, Echo, Troy Bilt, Weed Eater, Ryobi, Stihl, Ryan, and more.Technical specificationsHeight: 31.4 mmWidth: 21.4 mmReplaces Walbro part numbers: 188-512, 188-512-1Also replaces MTD 791-683974B, Ryobi 683974B, Oregon 49-088-0Item number: 188-512Compatibility and accessoriesCompatible with Pouland, Homelite, Sears, Craftsman chainsaws, blowers, pressure washers, brush cutters, and strimmersFeatures a snap-action primer systemIncludes two fuel nozzles (one shorter than the other) and two snap-on closures