Seachoice Replacement Gas Fill Caps are ideal as a high-quality spare cap or to replace the lost or worn cap on deck mount fill plates. This is a non-locking black plastic cap designed to fit Seachoice 32011 and Perko 1313 and 1314 series deck mount fill plates. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.