NGK LFR6A-11 (3672) Spark Plug – 6 Pack

Original NGK Spark Plugs | Part #3672 | 6-Pack

When your engine requires a dependable spark, the NGK LFR6A-11 (3672) Spark Plug is the answer. This 6-pack is excellent for six-cylinder tune-ups or as a bulk package to have spares on hand for maintenance. With its copper core that transfers heat effectively, every plug helps the engine burn cleanly while minimizing the opportunity for fouling.

The plugs are pre-gapped at 1.1 mm (0.043\\"), a gap that most popular use. It is still recommended to reference your engine manual before installing. The nickel electrode construction makes these plugs durable against wear, moisture, and corrosion. Under normal automotive use, marine engines, and small equipment, NGK spark plugs give smooth operation and reliable starts day in and day out.

Why Use These Spark Plugs?

• 6-pack of plugs — ideal for six-cylinder engines or heavy-duty service needs
• Copper core with nickel electrode to ensure consistent combustion
• Pre-gapped to 1.1 mm (0.043") to save time on installation
• Formulated to resist fouling and corrosion for extended life
• Typically compatible with automobile, marine, and power equipment engines

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

Frequently Asked Questions

Q: What's in the package?
A: Six NGK LFR6A-11 (3672) spark plugs.

Q: Do they need to be gapped before installation?
A: They are pre-gapped to 1.1 mm (0.043"), but always verify your engine's specifications.

Q: Why choose NGK plugs and not others?
A: NGK plugs are the world standard for OEM producers, relied upon for their consistency, extended service life, and performance.