L77jc4 Copper Plus Marine Spark Plug - Model 821-1

Introducing the Champion L77JC4 Copper Plus Marine Spark Plug, now available at Waterbury True Value in Waterbury, VT. This high-performance spark plug is designed specifically for marine applications, ensuring reliable ignition and optimal engine performance. With its innovative copper core center electrode, the Champion L77JC4 provides enhanced conductivity and superior heat control, making it an essential component for boat enthusiasts and marine professionals alike.

• Durable Construction: Made with nickel alloy electrodes, this spark plug is built to withstand the harsh conditions of marine environments.


• Long Life: The copper core center electrode allows for increased durability and longevity, ensuring that your engine runs smoothly for longer periods.


• Dependable Performance: Designed as an OE replacement spark plug, it guarantees reliable ignition and performance for various marine engines, including Evinrude, Johnson, Mariner, and Mercury.


• Heat Control: The design allows for accurate control of the heat range, optimizing performance and preventing overheating.


• RFI & EMI Suppression: This spark plug features technology that suppresses radio frequency interference (RFI) and electromagnetic interference (EMI), ensuring compatibility with modern ignition systems.


• Easy Installation: With its conventional design, the Champion L77JC4 is straightforward to install, making it a great choice for both professionals and DIY enthusiasts.

Imagine taking your boat out on the water, confident that your engine is equipped with the best spark plug available. Whether you're fishing, cruising, or participating in water sports, the Champion L77JC4 ensures that your engine starts reliably and runs efficiently. This spark plug is perfect for anyone in Waterbury looking to maintain their marine engine's performance and longevity.



In conclusion, the Champion L77JC4 Copper Plus Marine Spark Plug is not just a replacement part; it's a vital component for anyone serious about their marine engine's performance. Don't compromise on quality—choose the Champion L77JC4 for dependable ignition and optimal performance. Get yours today at Waterbury True Value in Waterbury, VT, and experience the difference in your marine adventures.