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Sierra 18-2205 Upper Unit Gear Set

Original price $229.99 - Original price $229.99
Original price
$229.99
$229.99 - $229.99
Current price $229.99

Replaces OEM part #MERCURY MARINE 43-55778A3For: 120/140 (S/N 2791957 & UP) and Gen II (S/N K999999 & BELOW) with 1.98:1 Gear Ratio (Drive Gear = 20 teeth Driven Gear = 24 teeth).