SEI Fixing Nut (Mercury Compatible)
The SEI Fixing Nut is a high-quality aftermarket part manufactured to OEM standards to replace original OE# 11-8128201, specifically designed for Mercury Outboard Engines, performing mounting, fixing, or auxiliary functions in stern drive and engine mechanisms.
Fixing Nut Advantages and Features
- OEM Standard Performance: Fully matches the geometric and strength properties of the original replacement part.
- Corrosion Protection: Manufactured from stainless steel or specially coated alloys resistant to corrosion in marine environments.
- Secure Fastening/Service: Ensures system components are sealed and securely fastened without play.
Technical Specifications
| Brand | SEI (Equivalent / Aftermarket) |
| OEM Reference Number | 11-8128201 |
| Compatible Systems | Mercury Outboard Engines |
| Product Group | Stern Drive and Engine Auxiliary Spare Parts |
Application Area and Usage
Should be replaced during periodic stern drive overhauls, part replacements, or when fastening elements are worn out.
Maintenance and Installation Recommendations
During installation, torque values must be observed, and Teflon-based marine grease or threadlocker should be used on mounting screws to prevent threads from seizing in seawater.
Frequently Asked Questions
Which OEM number is this nut equivalent to?
No, this product is an aftermarket (equivalent) product that works perfectly with the original part. It replaces the original Mercury part with OE# 11-8128201.
What should be considered during installation?
Fixing nuts should be tightened to the specified torque; excessive or insufficient torque compromises installation safety.
Related Products and Categories
- Anode Products
- Gear Oil Products
- Seal Products
- Impeller Products
- Mercury Products
- Mercury Spare Parts
- Gear Products
- Bearing Products
- Inboard Engine Products
Is This the Right Product for Your Boat?
Share your engine brand, model, and stern drive serial number with the Clever Marin team, and let's confirm together that the SEI Fixing Nut model will work 100% with your boat.
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.