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MERCRUISER

Fuel System

FUEL WATER SEPARATORS

Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's

10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH

to feed even the hungriest motor. Sierra 10 micron filters are recommended to prevent damage to sensitive

inboard and outboard fuel injection systems.

- UNIVERSAL DESIGN -

DIRECT REPLACEMENT FOR MERCURY AND YAMAHA

BRACKETS

Bracket Type

Part #

Replaces

Bracket Type

Part #

Replaces

1

1

/4" Stainless Steel

18-7777

/4" Aluminum

18-7853-1

Mercury 89876A3

3

3

/8" Stainless Steel

18-7776

/8" Aluminum

18-7775

FUEL WATER SEPARATOR KITS

21 Micron filter kits - for carbureted engines

Micron

Kit Type

Part #

Rating

Contents

Replaces

1

/4" Aluminum (Short Filter)

18-7848-1

21

1 - 18-7844 filter & 1 18-7853-1 bracket Mercury - 35-802893A4, Q4,

2 - 18-4256 1/4" pipe plugs

35-60494A4

1

/4" Aluminum Bonus Pack

18-7848-2

21

2 - 18-7844 filter & 1 18-7853-1 bracket

Contains spare filter

2 - 18-4256 1/4" pipe plugs

1

/4" Aluminum (Tall Filter)

18-7852-1

21

1 - 18-7845 filter & 1 18-7853-1 bracket

2 - 18-4256 1/4" pipe plugs

1

/4" Aluminum Bonus Pack

18-7852-2

21

2 - 18-7845 filter & 1 18-7853-1 bracket

Contains spare filter

2 - 18-4256 1/4" pipe plugs

3

/8" Aluminum (Tall Filter)

18-7775-1

21

1 - 18-7845 filter & 1 18-7775 bracket

2 - 18-4264 3/8" pipe plugs

1

/4" Stainless Steel (Tall Filter)

18-7777-1

21

1 - 18-7845 filter & 1 18-7777 bracket

2 - 18-4256 1/4" pipe plugs

3

/8" Stainless Steel (Tall Filter)

18-7776-1

21

1 - 18-7845 filter & 1 18-7776 bracket

2 - 18-4264 3/8" pipe plugs

617