Sierra Fuel Filter / Water Separator 18-7852-1


Item Number: 18-7852-1

Manufacturer Part No: 18-7852-1


High-performance fuel injected engines require ultimate water separation, fuel filtration and maximum fuel flow. Sierra’s fuel filter assemblies deliver all three of these critical performance factors and are engineered for today’s sterndrives, inboards and 2-cycle and 4-cycle outboards. The coated aluminum filter head is compact, and resist corrosion and features 1/4″ or 3/8″ ports. Its compact design, make it ideal for installations in space limited locations

Ethanol-blended fuels hold more water and can increase the chances of water in fuel tanks, resulting in premature wear, poor performance and component damage. Sierra 7800 Series fuel filters are designed to successfully remove 99% of the emulsified water found in fuels. Contaminants can cause severe damage in close tolerance modern fuel pumps and injectors; Sierra filters have 90% efficiency rate of removing these harmful contaminates down to 21 mircons while maintaining fuel flow rates to meet the demands of modern high performance engines.

Key Features

  • Compact filter head design is ideal for tight locations
  • Filter elements remove 99% of emulsified water from fuel
  • Designed to be an exact fit and meet specifications of OEM canister filters
  • 90% efficient at removing particulate contamination
  • Maintains fuel flow while filtering harmful water and debris
  • Filters independently tested to JIS, SAE J1839/J905 and ISO 4548-12 standards
  • Specifications
    • Application: Gasoline
    • Filtration: 21 Micron
    • Fuel Flow: 90gph

Additional information

Weight 1.95 lbs
Dimensions 9.75 × 5.5 × 4 in


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