646 Autolite Spark Plugs Spark Plug OE Replacement

Experience the reliability and superior performance of the 646 Autolite Spark Plugs, engineered to meet the highest standards in the automotive industry. With over 100 years of expertise and the production of more than 11 billion ignition products, Autolite is a trusted name for both aftermarket and Original Equipment manufacturers.

Key Features:

• OE Quality Assurance: Designed specifically for each application to meet or exceed Original Equipment standards.
• Versatile Compatibility: Ideal for a variety of vehicles, including Japanese, European, and Korean cars, as well as Lawn and Garden and Power Sports equipment.
• Durable Construction: Features a copper-glass seal that bonds the insulator, terminal post, and center electrode for a gas-tight seal, ensuring 100% leak proof performance.
• Enhanced Performance: A full copper core electrode guarantees quick starts, good fuel economy, and smooth acceleration, regardless of driving conditions.
• Advanced Insulator Design: The multi-rib insulator reduces the risk of flash-over for reliable operation.
• Reduced RFI: The built-in resistor minimizes radio frequency interference and electrode erosion.
• Limited Warranty: Backed by a limited 2-year warranty for peace of mind.

Specifications:

• Reach: 3/4 Inch
• Resistor: Yes
• Electrode Type: OEM
• Core Material: Copper
• Insulator Type: Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 13/16 Inch Hex

Choose the 646 Autolite Spark Plugs for dependable ignition performance and an exceptional driving experience. Upgrade your vehicle’s spark plugs today and enjoy the benefits of advanced ignition technology!