Autolite Spark Plug (MPN: 847)

Reliable ignition performance for various vehicles

The Autolite Spark Plug 847 is engineered to provide exceptional ignition performance for a wide range of vehicles, including Japanese, European, and Korean models. With over a century of experience in the automotive industry, Autolite ensures that each spark plug meets or exceeds original equipment (OE) quality standards, delivering reliable starts, improved fuel efficiency, and smooth acceleration.

Features

• Copper-Glass Seal bonds the insulator, terminal post, and center electrode, ensuring full voltage at the spark gap with a gas-tight seal that is 100 percent leak-proof
• Multi-rib insulator minimizes the risk of "flash-over"
• One-piece terminal post enhances strength and durability
• Cold-formed steel shell with precision rolled threads for a secure fit
• Full copper core electrode optimizes performance in all driving conditions
• Designed to provide quick starts, good fuel economy, and smooth acceleration
• Resistor feature reduces radio frequency interference (RFI) and minimizes electrode erosion

Specifications

• Manufacturer: Autolite Spark Plugs
• Manufacturer Part Number: 847
• Resistor: Yes
• Electrode Type: OEM
• Electrode Core Material: Copper
• Electrode Tip Material: Nickel Alloy
• Insulator Type: Projected
• Thread Size (IN): 0.551 Inch
• Quantity: Single
• Reach: 0.372 Inch
• Seat Type: Tapered
• Wrench Diameter: OEM