Champion 446 Spark Plug - Intake Side

Reliable Ignition with Champion Copper Plus Spark Plug 446

The Champion Copper Plus Spark Plug 446 is engineered to deliver consistent ignition performance for a wide range of vehicles including Chrysler, Dodge, Toyota, and Nissan models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Ground electrode tip design: J gap for stable spark
• Nickel center and ground electrode core materials for durability
• Non-removable nut electrical terminal type
• Pre-gap size of 0.041 inches (1.05 mm) for optimal spark gap
• Flat seat type with 1.043-inch reach and 14 mm thread diameter
• Resistor type spark plug to reduce electrical noise
• Heat range 12 suitable for various engine conditions
• Hex size 0.625 inches (15.88 mm) for standard installation tools

Detailed Features of Champion Copper Plus Spark Plug 446

This spark plug features a single ground electrode with a J gap design, which helps maintain a consistent spark and improves ignition reliability. Both the center electrode tip and ground electrode core are made from nickel, providing resistance to wear and corrosion. The non-removable nut electrical terminal ensures a secure connection within the ignition system. With a pre-gap size of 0.041 inches (1.05 mm), the spark plug is pre-set for optimal ignition performance, reducing the need for adjustment during installation.

The flat seat design and 1.043-inch reach make this plug compatible with many engines, including popular models like the Toyota Camry, Nissan Pathfinder, and Dodge Ram 1500. The 14 mm thread diameter and 0.625-inch hex size allow for easy installation using common automotive tools. Additionally, the resistor type construction helps minimize radio frequency interference, supporting smooth vehicle electronics operation.

About the Champion Copper Plus Product Line

The Copper Plus line from Champion is designed to provide reliable ignition performance with copper core technology. Copper cores improve heat transfer and durability compared to standard spark plugs, making them suitable for a variety of vehicles including Chrysler, Hyundai, and Lexus models. The Copper Plus series balances performance and longevity, offering a dependable option for secondary ignition needs.

Applications and Common Issues Addressed

• Compatible with Chrysler 300, Dodge Charger, Toyota Tacoma, Nissan Armada, and more
• Helps resolve misfires and rough idling caused by worn spark plugs
• Improves cold start performance in vehicles like the Jeep Grand Cherokee and Kia Optima
• Reduces engine hesitation and poor acceleration
• Supports consistent fuel combustion for better engine efficiency

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Check and adjust the spark plug gap if necessary, though pre-gap is factory set
• Inspect ignition wires and boots for wear during replacement
• Apply anti-seize compound on threads if recommended by vehicle manufacturer

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet strict quality standards for ignition components. The part number 446 is backed by Champion’s commitment to durability and performance. While specific warranty details may vary, Champion typically offers coverage against manufacturing defects to ensure customer confidence in their ignition parts.