Description
Honda 31908-ZZ3-003 NGK LMAR6C9 Spark Plug
Honda 31908-ZZ3-003 is an NGK LMAR6C9 spark plug for Honda marine engine applications where this exact Honda part number or NGK plug number is specified. Use this plug only after confirming the required spark plug number in your Honda parts diagram, owner’s manual, or service manual.
Key Features
- Honda 31908-ZZ3-003 spark plug
- NGK LMAR6C9 plug number
- Designed for compatible Honda marine engine ignition service
- Replacement maintenance item for applications that specify this plug
Fitment / Product Details
- Brand: Honda
- Honda Part Number: 31908-ZZ3-003
- NGK Plug Number: LMAR6C9
- Product Type: Spark Plug
- Application: Honda marine engines where 31908-ZZ3-003 or NGK LMAR6C9 is specified
- Engine Style: Outboard
- Fitment Note: Confirm compatibility by part number, spark plug number, engine model, serial number, parts diagram, owner’s manual, or service manual before ordering.
What’s Included
- One Honda 31908-ZZ3-003 / NGK LMAR6C9 spark plug
Why You Should Buy
- Correct replacement plug for Honda applications that specify 31908-ZZ3-003 or NGK LMAR6C9
- Helps support reliable ignition when replaced according to Honda service guidance
- Useful routine maintenance item for compatible Honda marine engines
Common Applications
- Honda marine engine spark plug replacement
- Routine ignition maintenance where LMAR6C9 is specified
- Service work where Honda part number 31908-ZZ3-003 is called out
FAQ
- Is this an NGK spark plug? Yes. This listing is for an NGK LMAR6C9 spark plug supplied under Honda part number 31908-ZZ3-003.
- Does this fit all Honda outboards? No. Use it only where Honda part number 31908-ZZ3-003 or NGK LMAR6C9 is specified.
- How do I confirm fitment? Match the part number or NGK plug number to your Honda parts diagram, engine serial number, owner’s manual, or service manual before ordering.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.

