The MTD 951-05251 Snow Blower Carburetor-Primer regulates fuel delivery and supports proper engine starting and operation. The carburetor mixes fuel with incoming air for combustion, while the primer assists fuel delivery during starting. Designed for compatible MTD and Craftsman snow blower and engine applications, this replacement assembly can be used when the original carburetor is... https://www.wholetoolbox.com/mtd-951-05251-snow-blower-carburetor-primer/951-05251.html