NGK LFR6A-11 (3672) Standard Spark Plug – 4 Pack

If your engine requires a reliable spark, the NGK LFR6A-11 (3672) Spark Plug is one of the most trusted options available. This 4-pack provides enough plugs to service a four-cylinder engine or to keep extras on hand for future maintenance. Each plug is built with a copper core that quickly draws heat away, helping the engine fire cleanly while reducing the chance of fouling.

These plugs come pre-gapped to 1.1 mm (0.043"), which works for most standard applications, though checking your engine manual is always recommended. With a nickel electrode design, they resist corrosion, moisture, and wear, making them suitable for a wide range of engines. Whether you are tuning a marine motor, maintaining your daily driver, or servicing small equipment, NGK spark plugs are known for easy starts and smooth performance.

Why Use These Spark Plugs?

• 4-pack of plugs — ideal for tune-ups or replacements
• Nickel electrode with copper core for dependable combustion
• Pre-gapped at 1.1 mm (0.043") for quick installation
• Designed to resist fouling and corrosion for longer life
• Versatile use across automotive, marine, and power equipment engines

⚠️ Fitment Notice: Always check your engine specifications before installing to confirm these plugs are the correct fit.

Frequently Asked Questions

Q: What comes in the package?
A: Four NGK LFR6A-11 (3672) spark plugs.

Q: Do I need to adjust the gap before installation?
A: They are pre-gapped to 1.1 mm, but it’s always best to verify with your engine requirements.

Q: Why choose NGK plugs?
A: NGK plugs are trusted worldwide as OEM factory equipment thanks to their proven durability, consistency, and reliable performance.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.