Autolite 106 Spark Plug

Autolite 106 Copper Resistor Spark Plug

Autolite 106 is a copper resistor spark plug built for OE-style replacement in a wide range of domestic applications. It is engineered for quick starts, smooth acceleration, and consistent ignition performance, with a copper center electrode and nickel tip materials for dependable spark delivery.

This Copper Resistor Spark Plug line is positioned as an OE-form, fit, and function replacement for many makes and models, including Chevrolet Impala, Chevrolet Malibu, and Pontiac G6 applications. The Autolite 106 part number is also used across older Ford and Mercury fitments where the specified gap and thread design match the original equipment requirement.

Key Features

• Copper center electrode core material for reliable ignition response
• Nickel center and ground electrode tip materials
• Resistor type design with 4,000 ohms resistance
• Pre-gapped at 0.050 in. / 1.30 mm for listed applications
• Tapered seat with 14 mm thread diameter and 17.0 mm reach
• Ceramic insulator with mid-projection design
• 5/8 in. hex size and stud terminal type

Detailed Description

Autolite Copper Resistor Spark Plug part number 106 is a standard replacement spark plug designed around OE-style dimensions and performance requirements. The copper core supports strong conductivity, while the nickel electrode materials and resistor design help maintain stable ignition performance across everyday driving conditions. With a tapered ground electrode tip and mid-projection ceramic insulator, this plug is built to match the specified fitment and operating characteristics for the listed vehicles.

Compatible With applications such as 2006-2011 Chevrolet Impala, 2006-2010 Chevrolet Malibu, and 2006-2010 Pontiac G6, this spark plug also appears in fitments for Buick Lucerne, Saturn Vue, and several classic Ford and Mercury models. This part cross-references Champion Spark Plug 408 for the same application.

What It Helps Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle and inconsistent combustion
• Reduced throttle response during acceleration
• Misfire conditions related to aged ignition components
• Maintenance replacement for OE-style spark plug service intervals

Installation Notes and Tips

Verify the vehicle’s required spark plug gap before installation. Listed applications include 0.043 in. / 1.1 mm and 0.050 in. / 1.3 mm gap requirements depending on the vehicle, so confirm the engine specification against the fitment notes before use. Check thread diameter, reach, seat type, and terminal style to ensure the plug matches the original equipment configuration. For best results, install on a cool engine and follow the manufacturer’s torque specification.

Quality Assurance

Autolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, with a focus on OE-style form, fit, and function. The 106 spark plug is built to meet the dimensional and performance requirements listed for the confirmed applications.