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Sierra 18-3781 Yamaha Outboard 6H1-W4599-00 Prop Nut Kit
Sierra 18-3781 Yamaha Outboard 6H1-W4599-00 Prop Nut Kit
Sierra 18-3781 Yamaha Outboard 6H1-W4599-00 Prop Nut Kit
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Aftermarket Yamaha Outboard 6H1-W4599-00 Prop Nut Kit

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Aftermarket Yamaha Outboard 6H1-W4599-00 Prop Nut KitThe Sierra 18-3781 Prop Nut Kit contains the propeller retaining hardware required for installation or rout…
SKU: S-18-3781
Condition: New
mfg_code: 18-3781
$86.19
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Aftermarket Yamaha Outboard 6H1-W4599-00 Prop Nut Kit

$86.19
Product Details  

Aftermarket Yamaha Outboard 6H1-W4599-00 Prop Nut Kit

The Sierra 18-3781 Prop Nut Kit contains the propeller retaining hardware required for installation or routine propeller servicing in Yamaha applications. It replaces Yamaha 6H1-W4599-00.

Technical Specifications

  • Brand: Sierra Marine
  • Sierra Part Number: 18-3781
  • Product Type: Prop Nut Kit
  • Application: Yamaha Outboard

Yamaha Outboard Suitability

  • 6HP

Cross References & Alternative Products

  • GLM: 21261
  • Mallory: 9-73991
  • Yamaha: 6H1-W4599-00
  • Yamaha: 6H1-W4599-00-00

Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.

Frequently Asked Questions

What is Sierra 18-3781?
Sierra 18-3781 is an aftermarket prop nut kit for Yamaha Outboard applications.

Which part numbers cross-reference Sierra 18-3781?
This listing cross-references GLM 21261, Mallory 9-73991, Yamaha 6H1-W4599-00 and Yamaha 6H1-W4599-00-00. See the Cross References & Alternative Products section above for linked alternatives where available.

How can I check whether Sierra 18-3781 fits my Yamaha Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.

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