Refine Parts List
Model #:
Year:

Model #

Year

Sierra Lower Unit Seal Kit
25 (1)1984-1985 18-2785
25 (2)1997-2002 18-2789
C25 1990-1991 18-2785
CV25 1991 18-2785
30 1984-1985 18-2785
30 1985-1986 18-2785
30 1987-2002 18-2789
C30 1991 18-2785
40 1984-1994 18-2792
50 1984-1994 18-2792
P50 1987-1994 18-2792
C55 1991 18-2787
CV55 1989 18-2787
P60 1984-1991 18-2788
70 1984-1991 18-2788
C85 1989-1991 18-2798
90 1984-1991 18-2798
150 (6R2) (6G4) 1984-2002 18-2794-1
C150 1996-1999 18-2794-1
L150 (6R0) (6K0) 1984-1999 18-2794-1
P150 1986-1999 18-2794-1
PX150 1999 18-2794-1
S150 1994-1999 18-2794-1
SX150 1999-2002 18-2794-1
V150 2001-2002 18-2794-1
VX150 2000-2002 18-2794-1
VZ150 2001-2002 18-2794-1
Z150 2000-2002 18-2794-1
175 1984-2000 18-2794-1
175 (6R3) (6G5) 1985-1994 18-2794-1
P175 1994-1999 18-2794-1
S175 1999 18-2794-1
VZ175 2001-2002 18-2794-1
Z175 2001-2002 18-2794-1
200 1984-1999 18-2794-1
P200 1991-2000 18-2794-1
L200 1984-1999 18-2794-1
LX200 1999-2002 18-2794-1
VZ200 2001-2002 18-2794-1
V6 Special 1984-1986 18-2794-1
V6 Excel 1987-1989 18-2794-1
225 (3)1990-1997 18-2794-1
225/L225 (4)1994-1996 18-2799
250/L250 1990-1996 18-2799

Model #

Year

Sierra Lower Unit Seal Kit
Notes:
  • (1) : 2 cylinder model
  • (2) : 3 cylinder model
  • (3) : 2.6 liter engine
  • (4) : 3.1 liter engine
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Yamaha 688-W0001-22-00 replacement parts
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Lower Unit Seal & Gasket Kit - Sierra
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Part # 18-0022
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Mercury Marine 27-95660T replacement parts
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Part # 18-0023
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Yamaha 698-W0001-21-00 replacement parts
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Part # 18-0024
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Lower Unit Seal & Gasket Kit - Sierra
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Part # 18-0025
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Lower Unit Seal & Gasket Kit - Sierra
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Part # 18-0026
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Lower Unit Seal & Gasket Kit - Sierra
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Part # 18-0027
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Yamaha 6E0-W0001-C1-00 replacement parts
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Part # 18-0028
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Lower Unit Seal & Gasket Kit - Sierra
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Part # 18-0029
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Yamaha 6L2-W0001-C3-00 replacement parts
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Part # 18-0030
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Lower Unit Seal & Gasket Kit - Sierra
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Mercury Marine 27-41899M replacement parts
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Part # 18-2785
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Yamaha 698-W0001-20-00 replacement parts
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Part # 18-2787
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Lower Unit Gear Housing Seal Kit - Sierra
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Yamaha 6J8-W0001-C2-00 replacement parts
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Yamaha 6H4-W0001-21-00 replacement parts
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Part # 18-2792
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Lower Unit Seal Kit - Sierra
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Part # 18-2794-1
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Part # 18-2795
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Lower Unit Gear Housing Seal Kit - Sierra
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Part # 18-2798
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Gear Housing Seal Kit - Sierra
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Part # 18-2799
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Mallory Seal Kit, Gear Housing 9-74536
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Part # 9-74536
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Mallory Seal Kit, Gear Housing 9-74523
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Mallory Seal Kit, Gear Housing 9-74541
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Mallory Seal Kit, Gear Housing 9-74505
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Part # 9-74505
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Yamaha 64J-W0001-20-00 replacement parts
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Part # 9-74509
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Mallory Seal Kit, Gear Housing 9-74543
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Part # 9-74543
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Yamaha 66Y-W0001-20-00 replacement parts
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Part # 9-74542
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Yamaha 6A0-W0001-C0-00 replacement parts
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Part # 9-74519
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Yamaha 6G8-W0001-C2-00 replacement parts
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Part # 9-74521
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Mallory Seal Kit, Gear Housing 9-74545
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Part # 9-74545
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Yamaha 64J-W0001-22-00 replacement parts
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Part # 9-74537
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Mallory Seal Kit, Gear Housing 9-74520
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Part # 9-74520
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Mallory Seal Kit, Gear Housing 9-74524
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Part # 9-74524
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Mallory Seal Kit, Gear Housing 9-74525
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Part # 9-74525
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Yamaha 69W-W0001-20-00 replacement parts
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Gasket Set, Lower Unit 18-99104 - Sierra
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Seal Kit - 18-74540 - Sierra
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Part # 18-74540
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Sierra
Description Customer Reviews Customer Questions & Answers Shipping
Lower Unit Seal & Gasket Kits for Yamaha
Average Customer Review for Lower Unit Seal & Gasket Kit - 18-0030 - Sierra
Full StarEmpty StarEmpty StarEmpty StarEmpty Star
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Full StarEmpty StarEmpty StarEmpty StarEmpty Star
Junk
by Paul from Columbia, New Jersey on July 21, 2011
Buy OEM Yamaha Parts!!!!!!
(0 of 1 people found this review helpful)
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Average Customer Review for Lower Unit Seal Kit - 18-2792 - Sierra
Full StarFull StarFull StarFull StarFull Star
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Full StarFull StarFull StarFull StarFull Star
as expected
by Tim from Walhalla, North Dakota on July 13, 2016
worked as expected
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Average Customer Review for Lower Unit Seal Kit - 18-2794-1 - Sierra
Full StarFull StarFull StarFull StarFull Star
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Full StarFull StarFull StarFull StarFull Star
Worked great
by Cameron from Cary, North Carolina on April 12, 2013
Everything you need to do your seals. Only needed about half of them, but they fit perfectly. Took the boat out last weekend and NO MORE WATER IN THE LOWER UNIT OIL!
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