18-2205 - Mercury # 43-55778A3
UPPER UNIT GEAR SET - MERCRUISER - 120/140 and GEN II
18-2205 - Mercury # 43-55778A3
Fits the following Mercruiser engines:
120/140 - S/N 2791957 & up
Generation II - S/N K999999 & below
1.98:1 Ratio
Drive Gear = 20 teeth - Driven Gear = 24 teeth
If you have a question whether this item will fit your engine, please contact us at
[email protected]
and provide us with the hp, year and model # of your engine and we can verify it for you.
Manufacturer: Sierra
SKU: 18-2205
ISBN: 43-55778A3
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