Autolite 64 Spark Plug

Overview of Autolite Copper Resistor Spark Plug 64

The Autolite Copper Resistor Spark Plug 64 is engineered to deliver reliable ignition performance for a wide range of vehicles including BMW, Ford, Toyota, and more. Designed with a copper core and resistor technology, this spark plug supports efficient combustion and reduces electrical interference.

• Resistance: 4000 ohms for noise suppression
• Center electrode core material: Copper for enhanced conductivity
• Ground electrode tip and center electrode tip made of nickel for durability
• Tapered ground electrode design for optimal spark exposure
• Pre-gap size: 0.044 inches (1.10 mm) for precise ignition timing
• Flat seat type with 14.0 mm thread diameter and 0.750 inch (19.5 mm) reach
• Hex size options: 13/16" (21 mm) for standard installation tools
• Ceramic insulator with mid projection type for heat resistance
• Electrical terminal type: Stud for secure connection

About the Copper Resistor Spark Plug Product Line

The Autolite Copper Resistor Spark Plug line combines copper core electrodes with built-in resistor technology to reduce radio frequency interference while maintaining strong spark energy. This balance supports smooth engine operation and is suitable for many domestic and import vehicles. The Copper Resistor Spark Plug 64 is part of this line, offering a standard electrode design optimized for consistent ignition performance.

Technical Details and Compatibility

This spark plug features a single nickel ground electrode with a tapered tip, enhancing spark exposure and combustion efficiency. The copper center electrode core improves thermal conductivity, helping to dissipate heat effectively. The flat seat design and 14 mm thread diameter ensure compatibility with a variety of engines. With a pre-gap of 0.044 inches, it supports precise ignition timing critical for vehicles like the BMW 325i, Ford Mustang, Toyota Camry, and others listed in the fitment.

Applications and Problem Solving

• Improves ignition reliability in vehicles experiencing misfires
• Reduces radio frequency interference affecting onboard electronics
• Supports consistent engine starting and smooth idling
• Helps maintain fuel efficiency by ensuring proper combustion
• Suitable replacement for worn or fouled spark plugs in compatible models

Installation Notes and Tips

Before installation, verify the spark plug gap matches manufacturer specifications; the Autolite 64 comes pre-gapped at 0.044 inches (1.10 mm). Use a torque wrench to tighten the spark plug to the recommended torque to avoid damage to the threads or seat. The 13/16" (21 mm) hex size fits standard spark plug sockets. Ensure the engine is cool before removal or installation to prevent thread damage.

Quality Assurance and Warranty

Autolite spark plugs are manufactured to meet OEM standards for fit, form, and function. The Copper Resistor Spark Plug 64 undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Autolite products typically come with manufacturer-backed warranties covering defects in materials and workmanship.