Sierra 18-7977-1 MerCruiser 2004 & Newer Fuel Filter

Sierra 18-7977-1 MerCruiser Fuel Filter

Sierra replacement fuel filters are manufactured to meet or exceed OEM requirements.

Features:

• Micron rating: 20
• Includes 0-Rings
• Supersedes: 18-7977 

It is recommended to change this filter and your 18-7715 Pre Fuel Filter at the same time for optimal engine performance.

Fits:

• 2004 & Newer MCM/MIE engine with Gen III fuel cooler

Interchangeable with:

• Mallory
• 9-37827
• MerCruiser Stern Drive
• 35-866171A01
• 35-8M0093688

Sierra 18-7977-1 MerCruiser Fuel Filter FAQs

What engines does the Sierra 18-7977-1 MerCruiser Fuel Filter fit?

The Sierra 18-7977-1 fuel filter fits 2004 and newer MCM/MIE engines with a Gen III fuel cooler.

What is the micron rating of the Sierra 18-7977-1 fuel filter?

The Sierra 18-7977-1 MerCruiser Fuel Filter has a 20-micron rating.

Does the Sierra 18-7977-1 fuel filter include O-rings?

Yes, the Sierra 18-7977-1 fuel filter includes O-rings.

What part number does Sierra 18-7977-1 supersede?

Sierra 18-7977-1 supersedes Sierra part number 18-7977.

Should I replace the pre fuel filter at the same time?

Yes, it is recommended to change this filter and the 18-7715 pre fuel filter at the same time for optimal engine performance.

What part numbers interchange with Sierra 18-7977-1?

The Sierra 18-7977-1 fuel filter interchanges with Mallory 9-37827 and MerCruiser Stern Drive part numbers 35-866171A01 and 35-8M0093688.

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