The best method is to consult your engine's service manual or parts catalog to confirm the OEM part number is 27-49955 or 8M0077608
V8 Engines 4-Stroke 172127 3
Specifically designed for use on fresh water cooled engines
2 MS 230 230 4-Stroke 35-805312 Serial #88030001-88030344
1L Multiple 4-Stroke 1999–2005 21951348 Crank-driven sea water pump
Fuel Filter Element – Fits MerCruiser 5.0L, 5.7L, 6.2L, 8.1L, 8.2L Engines (Replaces 35-866171A01, 8M0093688) BRP The best method is toProduct Details This replacement Fuel Filter Element Fits MerCruiser 5. 0L, 5. 7L, 6. 2L, 8. 1L, 8. 2L Engines is designed for optimal filtration and engine protection. It is specifically engineered for Mercury MerCruiser 5. 0L to 8. 2L V8 engines (2004 and newer) equipped with the GEN III Cool Fuel System, ensuring clean fuel delivery for reliable performance. This part directly replaces Mercury Quicksilver part numbers 35 866171A01 and 8M0093688,