3657 NGK Spark Plugs Spark Plug OE Replacement

Upgrade your engine's performance with the 3657 NGK Spark Plugs, featuring cutting-edge Laser Iridium® technology. These spark plugs are designed to provide superior ignitability and an impressive long service life, making them the ideal replacement for your vehicle's original equipment.

Key Features:

• Iridium/Platinum Surfaces: The smallest tip diameter available ensures a slow wear rate, leading to a stable idle and superior anti-fouling properties.
• Improved Fuel Efficiency: Experience better fuel economy and lower emissions, contributing to a cleaner environment.
• Laser Welded Design: The iridium center electrode tip is laser welded for long-lasting durability, ensuring reliable performance over time.
• Trivalent Metal Plating: This feature provides exceptional anti-corrosion and anti-seizing properties, enhancing the lifespan of the plugs.
• Faster Starts & Quicker Acceleration: Enjoy the benefits of enhanced engine responsiveness with every ignition.

Specifications:

• Reach: 3/4 Inch
• Resistor: Yes
• Electrode Type: Taper Cut
• Electrode Core Material: Iridium
• Electrode Tip Material: Platinum
• Insulator Type: Extended Projection
• Thread Size: 14 Millimeter
• Seat Type: Flat
• Wrench Diameter: 5/8 Inch
• Quantity: Single

With a limited 60-day warranty, the 3657 NGK Spark Plugs stand out as the best OEM iridium spark plug available on the market. Ensure your vehicle operates at its best with these high-performance spark plugs!