Designed for American Waters and Weather

Quality U.S. and Imported Marine Parts Built to Last!

Sierra Marine (MW)
18-2799

Sierra 18-2799 Lower Unit Seal Kit - MW

SKU SIE-18-2799 MPN 18-2799 UPC 30999753069 MFR Sierra Marine (MW)

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
In Stock
Purchasing Code Required
To order this product online, please contact us with the quantity you need and your ZIP / postal code to receive your purchasing code. Some locations are restricted at this time.
Already have a code? Enter it below to unlock pricing and purchasing.
My Wishlist
Compare

Sierra 18-2799 Lower Unit Seal Kit

Sierra replacement lower unit seal kit for Yamaha and Johnson/Evinrude Outboards.

Interchangeable with:

  • Johnson/Evinrude Outboard
    • 332000
  • Yamaha Outboard
    • 61A-W0001-20-00
    • 61A-W0001-21-00
    • 61A-W0001-C1-00

Seal Kit Contains:

  • Muffler gasket
  • Water seal damper
  • 18-99000 Exhaust manifold gasket
  • 18-99001 Upper casing gasket
  • 18-4698 Drain fill washer
  • 18-0244 Water pump gasket
  • 18-7485 O-ring
  • 18-7444 O-ring
  • 18-7182 O-ring
  • 18-7483 O-ring
  • 18-0265 Oil seal
  • 18-0266 Oil seal
  • 18-0267 Oil seal
  • 18-1835 Water seal damper

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

Liberty Marine USA Logo
Proudly serving customers across United States & Canada with Marine, RV parts and accessories.

Shipping Warehouse Locations:
New Jersey, USA
Florida, USA

About Us

LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.