This product has been discontinued.
Sierra
Powerhead Gasket Set - 18-4325 - Sierra
Price: $58.95
Discontinued
Save: $3.54
(5% Off $62.49)
Part # 18-4325
(Discontinued)
Replaces OEM part #
  • MERCURY MARINE 27-85491A90
    Contains:
    ( 1 ) 18-0940 Baffle Plate to Exhaust Gasket, replaces O.E.# 27-85488-2
    ( 1 ) 18-0879 Adapter Plate Gasket, replaces O.E.# 27-38501-1
    ( 1 ) 18-2810 Block Cover Gasket, replaces O.E.# 27-43777-2
    ( 2 ) 18-0103 Powerhead to Ext. Plate Gasket, replaces O.E.# 27-79650-1
    ( 1 ) 18-0137 Baffle Plate Gasket, replaces O.E.# 27-85492-2
    ( 2 ) 18-2800 Carb. Flange Gasket, replaces O.E.# 27-7579-1
    ( 2 ) 18-0870 Transfer Port Cover Gasket, replaces O.E.# 27-27936-1
    ( 1 ) 18-0539 Rubber Seal Gasket, replaces O.E.# 37721
    ( 1 ) 18-7161 O-Ring, replaces O.E.# 25-32546
    ( 1 ) 18-2844 Thermostat Gasket, replaces O.E.# 27-48818-1
    ( 1 ) 18-2823 Lower Water Pump Base to Face Plate Gasket, replaces O.E.# 27-19553
    ( 1 ) 18-0938 Water Inlet Tube Gasket, replaces O.E.# 27-79797-1
    ( 1 ) 18-2825 Water Pump Base Gasket, replaces O.E.# 27-32771
    ( 1 ) 18-7153 O-Ring, replaces O.E.# 25-25439
    ( 1 ) 18-7151 O-Ring, replaces O.E.# 25-20081

    *Power Head gasket sets do not include head gaskets

Average Customer Review for Powerhead Gasket Set - 18-4325 - Sierra
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gaskets.
by William from Franklin, Ohio on July 14, 2014
When I ordered the gasket set, I was told it wqould ship the same day, I was told if ordewreed in the next 10 0r 15 minutes it would go out imediately, I had to go to a dealer and get it in a short time so I could get the motor repaired as was promised. Thank you
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Fixer
by Al from East Wenatchee, Washington on October 19, 2013
The gasket set was the correct one with all the necessary gaskets. Everything fit just fine.
(1 of 1 people found this review helpful)
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Q:
Is this the right part for an older 40 hp oil injected mercury?
A:
We will need engine serial number to confirm correct set.


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