NGK Laser Iridium Spark Plug ILFR6GE, 4212 Set of 4 Spark Plugs

The NGK 4212 Spark Plug (ILFR6G-E) is a premium Laser Iridium plug designed for advanced ignition performance, superior durability, and extended service life. With a fine-wire iridium center electrode and platinum-tipped ground electrode, it delivers consistent combustion, improved fuel efficiency, and OE-quality fit—ideal for modern fuel-injected engines.

Features & Benefits:

🔧 Iridium center electrode ensures maximum longevity and spark strength
🔧 Platinum ground electrode enhances wear resistance
🔧 Supports smoother idle, better throttle response, and reduced emissions
🔧 Pre-gapped to OE specifications for fast installation

Specifications:

Brand & Part Number: NGK 4212 (ILFR6G-E)
Material: Iridium Center / Platinum Ground
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)

Choose NGK ILFR6G-E for exceptional ignition reliability, fuel economy, and extended plug life—trusted by OEMs and technicians alike!

Top-Notch Material: Iridium core and trivalent metal plating ensures superior durability and anti-corrosion in marine environmentPre-Gapped Design: Comes pre-gapped as specified by engine manufacturer for easy installationOptimum Performance: Meets Mercury Marine original equipment manufacturer specifications for best engine protection and performanceRibbed Suppressor Seal: Copper core and ribbed suppressor seal for durability and performanceEasy Removal: Trivalent metal plating also provides superior anti-corrosion and anti-seizing for easier removal