Overview Reviews Product Description Honda Original Parts. GX390 Head Gasket .040"Honda Part # 12251-ZF6-WOO Product Videos Custom Field Product Reviews Write a Review Write a Review × Honda DJ-3310 Head Gasket, Honda GX390 .040 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *