Brand new, genuine Mercruiser relief valve kit. This is a factory original equipment item, not aftermarket. 

SKU# 812498A1

Item Supersession Chain:

Row	Class	Part Number	SS Level	Disp	Description
1		812498A1	00	ACT	VALVE KIT-RELIEF
2		812498	01	SS	UP RELIEF VALVE
3		95351A1	01	SS	VALVE KIT
4		F17640	01	SS	CARTRIDGE