Description
Restore the watertight integrity of your boat’s lower gearcase with the premium Sierra Marine 18-1700 Lower Unit Seal Kit, available at The Outdoor Warehouse. Engineered to meet or exceed original equipment manufacturer standards, this comprehensive seal kit contains all the form-fitted gaskets, O-rings, and oil seals required for a leak-free lower unit rebuild.
Product Highlights:
- OEM-Quality Fitment: All included components are precision-molded from marine-grade rubber and materials to provide a perfect seal and prevent water from infiltrating your gear lube.
- Prevents Gearcase Failure: Replaces worn, cracked, or degraded seals to maintain internal pressure and block devastating saltwater or freshwater contamination.
- Complete Maintenance Solution: Eliminates the hassle of sourcing individual seals by packing all required lower unit gaskets into one convenient kit.
Engine Fitment & Compatibility:
- Fits Brands: Yamaha Outboard Motors.
- Specific Applications: Yamaha 60TLR and 70TLR 2-stroke models built between 2004 and 2009.
- Direct OEM Interchanges: Perfectly replaces Yamaha factory part numbers 6H2-W0001-20-00 and 6H2-W0001-21-00.
Specifications:
- Brand: Sierra Marine
- Part Number: 18-1700
- Product Type: Lower Unit / Gearcase Seal Kit
Don’t risk expensive gear housing damage due to a leaking seal. Order your Sierra 18-1700 seal kit from The Outdoor Warehouse today and benefit from our fast shipping and competitive pricing!






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