Sierra Fuel Water Separator Filter

Sierra 18-7944 Fuel Water Separator Filter

Sierra replacement fuel water separator filter for use with Mercury and MerCruiser engines. Sierra fuel water separators remove over 99.8% 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 at 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.

Features:

• Short - 3.875" or 98.4mm
• 10 Micron Rating for fuel injection engines
• 11/16-16 Thread pitch

Replaces:

• MerCruiser Stern Drive
• 35-52456
• 35-55501
• 35-57250
• 35-60494
• 35-604941
• 35-60494A5
• 35-802893Q
• 35-802893Q01
• 35-805269
• 35-8052691
• 35-806771
• 35-807172
• Mercury Marine
• 35-52456
• 35-604941
• 35-802893Q01
• 35-805269
• 35-8052691
• 35-807172
• EMP
• 35-37800

Frequently Asked Questions

What is the Sierra 18-7944 Fuel Water Separator Filter used for?

The Sierra 18-7944 Fuel Water Separator Filter is designed for use with Mercury and MerCruiser engines to help remove water and contaminants from gasoline before they reach the fuel system.

How effective is the Sierra 18-7944 at removing water and particles?

This filter removes over 99.8% of emulsified water from gasoline. Its 10 micron media is over 90% efficient at removing particles as small as 10 microns.

What engines is the Sierra 18-7944 fuel filter designed for?

The Sierra 18-7944 is a replacement fuel water separator filter for select Mercury Marine and MerCruiser engines. It is recommended for sensitive inboard and outboard fuel injection systems.

What are the main specifications of the Sierra 18-7944 filter?

This is a short filter measuring 3.875" or 98.4 mm in length. It has a 10 micron rating for fuel injection engines and uses an 11/16-16 thread pitch.

What part numbers does the Sierra 18-7944 replace?

This filter replaces a range of Mercury, MerCruiser, and EMP part numbers, including 35-52456, 35-55501, 35-57250, 35-60494, 35-604941, 35-60494A5, 35-802893Q, 35-802893Q01, 35-805269, 35-8052691, 35-806771, 35-807172, and EMP 35-37800.

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