18-7784 Mercruiser Fuel Filter

Model # 4703153 Mfg # 18-7784
5 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
18-7784 Mercruiser Fuel Filter
Model # 4703153 Mfg # 18-7784
5 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Fuel filter element kit for MerCruiser sterndrives

Marine fuel injected engines require ultimate water separation, fuel filtration and maximum fuel flow. Sierra's new filter elements deliver all three of these critical performance factors and are engineered for today’s sterndrives

Contaminants over 10 microns in size can cause severe damage to close tolerance modern fuel pumps and injectors; Sierra filters have 90% efficiency rate of removing these harmful contaminates while maintaining fuel flow rates to meet the demands of modern high performance engines. Kit includes necessary gaskets and spring for installation.

Key Features

  • Designed to be an exact fit and meet specifications of OEM filters
  • 90% efficient at removing particulate contamination
  • Maintains fuel flow while filtering harmful water and debris
  • Compatible with MCM 120 2.5L, 140/3.0L/LX, 3.8L and 4.3L engines

The Sierra Engine Parts Selector

In addition to fuel filter elements, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.

Application OEM Part Number
Mallory 9-37821
Mercruiser Stern Drive 35-803897Q1, 35-11004A1, 35-8M0046752, 35-11004Q2, 35-803897, 35-11004

Sierra Limited Lifetime Warranty

Type Fuel Filters

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