Features: 1.OE Number: The referencing OE number of this RV toilet seal kit are 385311652, 385311658, molded and designed depend on the original data. 2.Fitment: The RV toilet seal kit mounting hardware is a replacement for Dometic 300 310 320 RV Toilets, please check before ordering. 3.Complete Kit: Seals ring solve toilet leakage and odor problems, and T screws and washers, nuts and bolt covers used replace toilet hardware to make the it more stable. 4.Durable Material: T shaped brass screws are made of solid brass, nuts and washers are made of stainless steel, which will not rust during use, long service life, easily solve smell and water leakage. 5.Easy Install: Simply remove the old RV toilet seal and flush seal after turning off the water source, clean and replace it with a new one, check for leaks, and you're done. Specification: Item Type: RV Toilet Seal Kit_x000D_ OE Number: 385311652, 385311658_x000D_ _x000D_ Material: Rubber + ABS + stainless steel + brass_x000D_ Fitment:_x000D_ Fits for Dometic 300 310 320 RV Toilets Note: Please double check the part number of your item, matching information is for reference only.