18-7966-1 Fuel Filter/Water Separator Kit 1/4" Aluminum, High Capacity

Model # 9399395 Mfg # 18-7966-1
5 out of 5 Customer Rating
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Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
18-7966-1 Fuel Filter/Water Separator Kit 1/4" Aluminum, High Capacity
Model # 9399395 Mfg # 18-7966-1
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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Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline.

Designed for use with MerCruiser stern drives and Yamaha outboard motors.

OEM/Sierra Part Number Interchange

  • GLM 25000
  • Mallory 9-37860
  • Mercruiser Stern Drive 89876A3, 89876, 55481
  • Yamaha Outboard MAR-FLTHD-AL-12

Key Features

  • Removes over 99.8% of emulsified water from your gasoline
  • 90gph flow capacity
  • Protects sensitive inboard, sterndrive and outboard fuel injection systems
  • Size: 1/4" or 6.4mm
  • Filters particles as small as 10 micron

KIt Contents

  • (1) 10 micron fuel filter element (Sierra #18-7866)
  • (1) Fuel Water Separation Bracket (Sierra #18-7853-1)
  • (2) brass plugs (Sierra #18-4256)

Sierra Limited Lifetime Warranty

Replaces Yamaha - MAR-SEPAR-AT-OR
Type Fuel/Water Separators

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