Description
Mercury NGK B7S Spark Plug 813413 - Premium Marine Engine Performance
Experience reliable ignition and superior performance with the Mercury NGK B7S spark plug. Engineered specifically for marine applications, this premium spark plug delivers consistent starts, optimal combustion, and extended service life for your Mercury outboard engine.
Advanced Performance Features
- 98% Pure Copper Core: Increases heat dissipation for more reliable starts and prevents overheating
- High-Grade Ceramic Insulator: Alumina silicate construction for superior strength and heat transfer
- Cold-Rolled Threads: Prevents cross-threading and damage to cylinder heads
- Trivalent Plating: Eliminates need for anti-seize compounds
- Corrugated Ribs: Prevent flashover for consistent ignition
NGK Quality Engineering
- Precision Manufacturing: Tight tolerances for consistent performance
- Marine Grade Materials: Corrosion-resistant construction
- Heat Range Optimization: Perfect thermal characteristics for marine engines
- Anti-Fouling Design: Resists carbon and oil buildup
Technical Specifications
- Part Number: 813413
- NGK Model: B7S
- Thread Size: 14mm
- Heat Range: 7 (medium)
- Construction: Standard electrode design
- Weight: 0.25 pounds
Engine Compatibility
- Mercury Outboards: Various 2-stroke models
- Marine Applications: Saltwater and freshwater use
- Commercial Use: Heavy-duty marine operations
- Recreational Boating: Weekend and seasonal use
Installation & Maintenance
- Easy Installation: Direct OEM replacement
- No Anti-Seize Needed: Trivalent plating eliminates requirement
- Proper Gap: Pre-gapped for optimal performance
- Service Schedule: Replace according to engine manual
Performance Benefits
- Reliable Starting: Consistent ignition in all conditions
- Improved Fuel Economy: Efficient combustion reduces consumption
- Extended Service Life: Durable construction for longer intervals
- Reduced Emissions: Clean burning for environmental compliance
Genuine Mercury Marine | NGK Quality | Professional Grade
Quantity: 1 spark plug per package