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Sierra 18-7984-1 Fuel Water Separator Kit

Original price $84.99 - Original price $84.99
Original price
$84.99 - $84.99
Current price $84.99

Sierra 18-7984-1 Fuel Water Separator Kit

  • Fuel Water Separator Kit
  • 10 micron
  • Kits includes tall fuel/water filter (p/n 18-7945) and mounting bracket (p/n 18-7777)
  • Stainless steel mounting bracket includes (2) 1/4 in. NPT inlet ports and (2) 1/4 in. NPT outlet ports
  • Replaces Yamaha MAR-SPRTR-HD-SS

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 2-cycle and 4-cycle outboards. The stainless steel filter head is compact; and resist corrosion and features 1/4" 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 7900 Series fuel filters are designed to successfully remove 99% of the emulsified water found in fuels. Contaminants over 10 microns can cause severe damage in 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.

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
  • Included filter (18-7945) replaces Yamaha MAR-SPRTR-HD-SS 
  • Filter head is compatible with different elements that provide 2 and 21 micron levels of filtration


  • Application: Gasoline
  • Filtration: 10 Micron (included)
  • Fuel Flow: 90gph

FWS Filter Kit 1/4" SS Bracket(18-7777) W/ 10 Micron Long filter(18-7945)