Mercruiser Engine Coupler by Sierra

NLA – Interchangeable with OEM part 18643A5

Flex plate style for late model, small crankshaft bolt pattern engines. Same as SIE-18-2175 without the yoke.

Applications:

• 3.0L 0L097000 & UP 1998-UP
• 262 Mag. EFI (Gen+) 0F803800-0K999999 1996-1997
• 4.3L 0F000878 & UP 1993-2007
• 5.0L, 5.7L and 350 Mag 0F000001 & UP 1993-2007

Also used on any application that has been updated to the new style coupler and yoke assembly.

Replaces:

• Mercury
• 18643A5
• Mallory
• 9-72507
• Redline
• RL2323

Alignment Video