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

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