Valve cover gasket compatible lawn mower engine BRIGGS STRATTON models 296442, 296447, 305440, 305442, 305446, 305447, 305777, 356442 356447, 356776, 356777, 385446 385447, 385777, 386447, 386777 CODE: ORIGINAL CODE: BRIGGS STRATTON 805028 805039 806039S CZ