fits 1986 and newer mcm 4 cylinder v-6 and v-8 305 and 350 cid engines interchangeable with mallory 9-37612, and mercruiser stern drive 3302-804844, 3302-804844001, 3302-804844002 use with sierra 18-7373n mercarb 2v carburetor, 18-7611-2 carburetor, or 18-7639 carburetor each sierra product meets or exceeds the original equipment part it replaces. Fit type: Universal Fit