Sierra SIE18-7230 Marine Flame Arrestor 4 Barrel USCG 2.25" Replaces Mercury 41639A-1 Chrysler 4142886

The Sierra SIE18-7230 Marine Flame Arrestor is a vital safety component for gasoline inboard engines. Designed to prevent backfire flames from igniting fuel vapors in the carburetor, it helps protect your vessel and passengers while meeting USCG safety standards.

This flame arrestor is a direct replacement for Mercury 41639A-1 and Chrysler 4142886, making it an excellent choice for boat owners and marine mechanics seeking reliable, OEM-quality parts. It fits 4-barrel carburetors and is suitable for a wide range of inboard and stern drive boats.

• USCG-approved for marine safety compliance
• Compatible with 4-barrel carburetors only
• Directly replaces Mercury 41639A-1 and Chrysler 4142886
• Features a 2.250" height, 1.470" element, and 5.050" throat
• Includes a single vent tube for optimal performance
• Ideal for gasoline inboard and stern drive engines

Upgrade your boat’s safety with the Sierra SIE18-7230 flame arrestor and ensure reliable protection on the water.