B7S Spark Plug | NGK 3710
B7S Spark Plug | NGK 3710
Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics.
- NGK spark plug B7S
- Stock number 3710
- 14mm x 1.25mm thread
- Gasket seat
- Standard type
- Gap .028 in. (0.7mm)
- 13/16 in. hex
- Replaces Mercury/Mercruiser 33-813413
Additional Information
Reliable Performance with the NGK B7S 3710 Spark Plug
Maintaining your engine starts with choosing the right ignition parts. Consequently, the NGK B7S 3710 Spark Plug is a top choice for marine and outdoor equipment. This standard copper-core plug is engineered for durability. Because it features high-grade alumina silicate ceramic, it offers incredible dielectric strength. You can trust this plug to provide consistent sparks in the toughest conditions. Therefore, it is a favorite among professional mechanics and DIY boaters alike.
Advanced Engineering for Better Heat Dissipation
First of all, this spark plug utilizes a 98% pure copper core. This design choice is vital for superior heat dissipation. In addition, it prevents the engine from overheating during high-speed runs. Since it has a nickel alloy electrode, it resists wear and tear effectively. Moreover, the triple gasket sealing process eliminates gas leakage. As a result, your engine maintains better compression and peak power output. Furthermore, the trivalent metal plating protects the shell from corrosion.
Wide Compatibility for Marine and Garden Engines
Fortunately, the NGK B7S 3710 Spark Plug fits a vast range of applications. It is commonly found in Mercury outboards and small block Mercruiser inboards. Additionally, it works perfectly in various lawnmowers and industrial generators. Because it is a non-resistor type plug, it delivers a powerful, unrestricted spark. However, always verify your owner's manual for specific gap requirements. Since it features cold-rolled threads, installation is smooth and prevents cylinder head damage. Thus, it remains a versatile staple for any maintenance kit.
Maximize Efficiency and Easy Starting
A fresh set of plugs can transform how your engine feels. For instance, you will likely notice faster starts on cold mornings. Also, a clean spark leads to a much smoother idle. Because the fuel burns more completely, your fuel efficiency may also improve. Consequently, replacing old plugs is a cost-effective way to avoid expensive repairs. If you notice a loss of power, a quick swap to NGK 3710 plugs often solves the issue. Ultimately, this leads to more time enjoying your boat and less time troubleshooting.
Frequently Asked Questions
What are the main specs of the NGK B7S 3710?
The plug features a 14mm thread diameter and a 9.5mm (3/8") reach. It also has a 13/16" hex size and a standard nickel tip.
Is this a resistor spark plug?
No, the B7S is a non-resistor spark plug. Therefore, it provides a direct, high-energy spark for older or specialized ignition systems.
Can I use the NGK B7S in a lawnmower?
Yes, this plug is highly compatible with many outdoor power equipment brands. However, you should always cross-reference your specific engine model first.
How often should I replace my spark plugs?
In marine environments, it is best to check plugs every 100 hours. Replacing them annually ensures your engine stays reliable throughout the season.
