Description
Mercury 401378 Nut 401198 OEM Marine Replacement
The Mercury 401378 Nut 401198 is a genuine OEM marine replacement nut designed for select Mercury outboard and MerCruiser applications. This M8 nut is built to Mercury specifications for proper fit, secure fastening, and dependable service in marine environments. It is an ideal replacement part during maintenance, repair, or reassembly where the correct OEM hardware is required.
Key Features
- Genuine Mercury OEM nut
- Part Number: 401378
- Supersedes Part Number: 401198
- M8 nut design
- Designed for secure fastening in marine assemblies
- Built to Mercury OEM specifications
- Ideal replacement for worn, damaged, or missing hardware
- Suitable for select Mercury and MerCruiser applications
Product Details
- Brand: Mercury
- Part Number: 401378
- Superseded Part Number: 401198
- Type: Nut
- Size: M8
- Application: Marine engine and drivetrain hardware
- Compatibility: Select Mercury outboards and MerCruiser applications
Why You Should Buy
- OEM Mercury part for accurate fit and dependable performance
- Helps maintain proper assembly retention and fastening security
- Direct replacement for older part number 401198
- Built for harsh marine service conditions
- Ideal for routine maintenance, repair, and reassembly
Common Applications
- Mercury outboard maintenance and repair
- MerCruiser hardware replacement
- Marine engine reassembly requiring OEM M8 nut fitment
- Replacement of worn or corroded original fasteners
FAQ
What is Mercury 401378?
Mercury 401378 is a genuine OEM marine nut used in select Mercury and MerCruiser applications.
Does Mercury 401378 replace part 401198?
Yes, Mercury 401378 supersedes the older part number 401198.
What size is Mercury 401378?
Mercury 401378 is listed as an M8 nut.
Will Mercury 401378 fit my application?
Mercury 401378 fits select Mercury outboard and MerCruiser applications. Verify fitment by engine serial number or parts diagram before purchase.
Is Mercury 401378 a genuine OEM part?
Yes, Mercury 401378 is a genuine OEM Mercury marine replacement part.