Sierra Marine 18-7228 Flame Arrestor

Sierra 18-7228 flame arrestor. Replaces Mercruiser # 805016A1, 85784A1. Has 3.12" throat diameter, 6.5" outside diameter, and 2.156" height, with one 5/8" PCV vent tube nipple. Fits 2-barrel carburetors. Constructed of anodized aluminum for years of trouble free service. Coast Guard approved flame arrestors are required to ensure that no backfires create an unsafe condition in your engine compartment.