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non-Chevy (Except 470) 1976–1982
You can use the Mercury Serial Number Guide or Parts Catalog linked above to confirm compatibility
Verify timing marks are still aligned correctly on both camshaft and crankshaft pulleys
Extract Old Seals: Carefully pry the old oil seals out from the bearing carrier housing
ensuring broad compatibility across multiple model years and configurations
Fuel Filter Kit – Fits MerCruiser 2.5L, 3.0L, 3.7L, 4.3L Sterndrive Engines (Replaces 35-803897Q1, 8M0046752) family-mercury-v-115-dfi-2-5l non-Chevy (Except 470) 1976–1982Fuel Filter Kit Fits MerCruiser 2. 5L, 3. 0L, 3. 7L, 4. 3L Sterndrive Engines This fuel filter kit is designed for a range of MerCruiser 2. 5L, 3. 0L, 3. 7L, and 4. 3L 4 stroke sterndrive engines, covering specific models manufactured from the 1980s through the 2000s. It serves as a direct replacement for filters located within the lower canister of the mechanical fuel pump. This kit is a direct replacement for MerCruiser part numbers 35 803897Q1,