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Sierra 18-99117 Powerhead Gasket Set for Yamaha 6HP & 8HP Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-99117
12 reviews
Sale Price

$34.42

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-99117 Powerhead Gasket Set is a complete gasket kit designed as a direct replacement for Yamaha outboard engines. It replaces OEM Yamaha part numbers 6G1-W0001-A2, 6G1-W0001-02-00, 6G1-W0001-01-00, and 6G1-W0001-00-00, as well as 6A0-W0001-21, making it a reliable aftermarket solution for engine rebuilds and powerhead repairs.

Key Features:

  • Direct OEM replacement for Yamaha powerhead gasket kit 6G1-W0001-A2
  • Also replaces Yamaha OEM part numbers: 6G1-W0001-00, 6G1-W0001-01, 6G1-W0001-02, and 6A0-W0001-21
  • Engineered to meet or exceed OEM fit and sealing performance
  • Gaskets machined to match OEM bolt hole and port patterns for precise fitment
  • Manufactured from high-quality composite materials suited for harsh marine environments
  • Complete set covering powerhead sealing needs for engine rebuild or repair

Compatible Engine Applications:

  • Yamaha 6HP outboard — 1988–1996
  • Yamaha 8HP outboard — 1984–1996
  • Yamaha C40 — 1992–1994
  • Yamaha 6 and 8 (1996 models)

Sierra International is a trusted manufacturer of aftermarket marine engine parts, supplying the boating industry for over 50 years. The 18-99117 gasket set provides a cost-effective, quality alternative to the OEM Yamaha kit, ensuring a proper seal and long-lasting performance during powerhead service or overhaul.

Perfect

good job!

Not complicated. Checkout with Amazon made it even easier.

Easy to order and find parts

their write up about the product was slightly miss leading being that it was saying that the part went to the wrong car. But the part number said it was for a different car. <br><br>But hands down they had the best price and so far seems to be a great company. I would purchase from again. It would be ideal if they offered more in the sports compact area though.

nice

Perfect so far!

It was very easy,.....Thank You

Quick and Easy so far.

very excellent oil the only oil that has been in my harley since it was new and it a 95 very fast shipper ordered it 19 feb and got it 22 feb

Got a great price on an hks exhaust and the shipping was quick too

best price. hopefully fast shipping

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