Sierra 18-7869 Mercruiser Fuel Filter Assembly Sierra high-quality fuel filter assembly. For Rochester 2bbl 4bbl. Use with 18-7859 Fuel Filter. Micron Rating 30 Interchangeable with GLM 24841 Mercruiser Stern Drive 1397-8768 1397-8545 1397-8767Q For Mercruiser Engines GM 2.5L3.0L Serial Number 6229718 Later GM 5.0L5.7L Serial Number 6218462 Later All 205s Serial Number A331455 Later 228HP Serial Number 6021784 Later 330HP Serial Number 6083145 Later GM 255 Serial Number 590768 Later 5.7L