The Sierra 18-7784 Fuel Filter is interchangeable with the following: Mallory 9-37821, Mercruiser 35-803897Q1, 35-11004A1, 35-8M0046752, 35-11004Q2, 35-803897, 35-11004. Each Sierra product meets or exceeds the original equi...

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Product Review

The Sierra 18-7784 Fuel Filter is interchangeable with the following: Mallory 9-37821, Mercruiser 35-803897Q1, 35-11004A1, 35-8M0046752, 35-11004Q2, 35-803897, 35-11004. Each Sierra product meets or exceeds the original equipment part it replaces.

  • Micron Rating: 20
  • Fits : MCM 120/2.5L, 140/3.0L/LX, 3.7L, 3.8L & 4.3L engines

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