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Sierra 18-2646-1 Marine Lower Unit Seal Kit

5.0 (1) Write Review
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$45.59

$ 20 .99 $20.99

In Stock

About this item

  • Designed for use with Mercruiser Alpha I Gen II stern drives
  • See long description for list of included components
  • Interchangeable with GLM 87511, Mallory 9-74206, and Mercruiser Stern Drive 26-816575A1 and 26-816575A3
  • Each Sierra product meets or exceeds the original equipment part it replaces


Sierra's 18-2646-1 Lower Unit Seal Kit is designed for use with Mercruiser Alpha I Gen II stern drives. The kit contains: (1) Sierra 18-2002 Oil Seal, (1) Sierra 18-2013 Oil Seal, (1) Sierra 18-2014 Oil Seal, (1) Sierra 18-2076 Oil Seal, (1) Sierra 18-2077 Oil Seal, (1) Sierra 18-2564 Impeller Gasket, (1) Sierra 18-2566 Impeller Gasket, (1) Sierra 18-2599 Face Seal and Tool, (1) Sierra 18-2944 Seal Ring, (1) Sierra 18-2945 Drain Screw Gasket, (1) Sierra 18-7159 O-Ring, (2) Sierra 18-7168 O-Rings, (1) Sierra 18-7176 O-Ring, (2) Sierra 18-7413 O-Rings, (2) Sierra 18-7420 O-Rings, (2) Sierra 18-7440-1 O-Rings, (1) Sierra 18-2009 Oil Seal, (1) Sierra 18-2430 Drain Screw Gasket, and (2) Sierra 18-2056 Oil Seals. It is interchangeable with GLM 87511, Mallory 9-74206, and Mercruiser Stern Drive 26-816575A1 and 26-816575A3. Each Sierra product meets or exceeds the original equipment part it replaces.


Mathias D.
Reviewed in the United States on June 25, 2020
Perfect fit and quality. Great supplier