NGK CMR6H Spark Plug (3365) — Pack of 4 | OEM Nickel Plugs

Overview

Discover the NGK CMR6H spark plug, a four-pack designed to deliver dependable ignition for engines that rely on nickel alloy OE plugs. The 3365 designation helps you confirm compatibility, while the familiar NGK yellow packaging signals a trusted OE-grade component. This set is crafted to handle everyday driving needs with steady performance and durable construction, making maintenance a straightforward task for your workshop or driveway quick-change routine.

What you get

• Four CMR6H 3365 NGK nickel spark plugs, ready for replacement in compatible engines.
• Designed for OE applications, delivering nickel alloy reliability and proven form factor.
• Iconic NGK standard plugs in the brand’s recognizable packaging, a familiar reference for pro mechanics and enthusiasts alike.
• High-grade alumina silicate ceramic insulator for strong electrical insulation and stable performance across temperature swings.
• Triple gasket sealing to minimize gas leakage and help maintain consistent combustion conditions.
• Solid copper core for efficient heat dissipation and reliable conductivity across a wide heat range.
• Trivalent metal plating provides corrosion resistance and helps prevent seizing under typical operating conditions.
• Recommended usage: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs.

Why choose NGK

• NGK is widely regarded as a leading OEM spark plug supplier with decades of OE-grade engineering experience.
• The CMR6H line offers a balance of durability, conductivity, and reliable ignition that many engines rely on for everyday driving.
• The packaging and part numbering (3365) help simplify identification and fitment checks during repairs or upgrades.

Real-world use and fitment tips

For routine maintenance, this four-pack supports quick, organized replacements without multiple trips to the parts bin. In everyday driving, you can expect steady starts and steady idle when used in engines designed for nickel alloy plugs. Always verify fitment using the vehicle’s owner’s manual or NGK directly before purchasing, as listed fitment information can vary by model.