SEI Gearbox Seal Kit (Yamaha Compatible)
The SEI Gearcase Seal Kit is an aftermarket seal and o-ring set, equivalent to OE# 66K-W0001-20-00, which provides gearcase sealing for Yamaha outboard motors. This aftermarket replacement part, manufactured by SEI to OEM specifications, economically and reliably replaces the original part.
Gearcase Seal Kit Features
- OEM Reference: 66K-W0001-20-00
- Compatibility: Yamaha outboard motors
- Brand: SEI (aftermarket)
Technical Specifications
| OEM Reference | 66K-W0001-20-00 |
| Compatibility | Yamaha outboard motors |
| Brand | SEI (aftermarket) |
Who is This Product For?
- Replacement part renewal: An economical alternative to the original part, OE# 66K-W0001-20-00
- Engine reliability: Timely part replacement maintains engine performance
Maintenance and Longevity
Sterndrive and outboard motor parts provide long-lasting use with regular checks and timely replacement. It is recommended to verify compatibility by checking your engine serial number and existing OEM part number before installation.
Related maintenance categories: Anodes | Gear Oils | Seals | Impellers
Frequently Asked Questions
Which OEM number does this part replace?
It replaces the original Yamaha part with OE# 66K-W0001-20-00.
Which Yamaha models is it compatible with?
Share your engine serial number to get compatibility confirmation from the Clever Marin team.
Related Products and Categories
Is This the Right Product for Your Boat?
Share your engine brand, model, and serial number — let's confirm the compatibility of the SEI Gearcase Seal Kit together.
Delivery Information
Your orders are dispatched within an average of 28 business days. Free shipping on orders of 5000 TL and above.
Return Policy
You can return the products you purchased unconditionally within 14 days, provided they are unused and in their original packaging. You can contact us through our Customer Service page for return processes.