Valve, Check - Mercury / Mariner / Sport Jet 6-240hp
Mercury / Mariner
May fit additional models to those listed above. Please DO NOT order based solely on application info above. You MUST compare the oem number of the part for your engine to those listed below to ensure correct fitment of this part for your application! Failure to order this way will likely lead to the wrong part being ordered!
Replaces 21-426981, 426982, 42698, 96864