NGK Standard Spark Plug (MPN: 6499)

Engineered for durability and optimal engine performance.

The NGK Standard Spark Plug is designed to deliver reliable ignition and efficient engine performance. With a 14 millimeter thread and a reach of 26.5 millimeters, this spark plug is compatible with a variety of engines. The nickel ground electrode and copper center electrode ensure effective heat transfer and longevity, while the flat seat design provides a secure fit. This spark plug features a pre-gap size of 0.032 inches and a 5/8 inch hex for easy installation.

Constructed with trivalent metal plating, the NGK spark plug offers superior anti-corrosion and anti-seizing properties, enhancing its durability in various conditions. The corrugated ribs on the insulator prevent flashover, ensuring consistent performance. Additionally, the pure alumina silicate ceramic insulator provides exceptional strength and improved heat dissipation, making it suitable for high-performance applications.

The copper core aids in heat removal, while the triple seals effectively prevent leakage, contributing to the overall efficiency of the engine. This single spark plug is a reliable choice for those seeking quality and performance in their ignition system. Refer to the document section for marine applications.

Features

• Trivalent Metal Plating Provides Superior Anti-Corrosion And Anti-Seizing Properties
• Corrugated Ribs Prevent Flash Over
• Pure Alumina Silicate Ceramic Insulator Provides Superior Strength And Better Heat Transfer
• Copper Core Aids In Heat Removal
• Triple Seals Prevent Leakage

Specifications

• Manufacturer: NGK Spark Plugs
• Manufacturer Part Number: 6499
• Resistor: Yes
• Electrode Type: U-Groove
• Electrode Core Material: Copper
• Electrode Tip Material: Nickel
• Insulator Type: Projected
• Thread Size (IN): 1/2 Inch
• Quantity: Single
• Reach: 1.04 Inch
• Seat Type: Flat
• Wrench Diameter: 5/8 Inch Hex

Technical Documents

• 6499_Marine_Apps.pdf