Champion 340 Spark Plug

Reliable Ignition Performance for Select Acura, Dodge, and Porsche Models

The Champion Copper Plus 340 spark plug is engineered to deliver consistent ignition performance for vehicles such as the Acura CSX, Dodge Dakota, and Porsche Cayenne. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and reliable engine operation.

• Ground electrode core made of nickel for durability
• Center electrode tip constructed from nickel
• Pre-set gap size of 0.035 inches (0.89 mm) for optimal spark
• Flat seat type ensuring proper sealing
• Resistor type spark plug to reduce electrical noise
• Thread diameter of 14 mm (0.551 inches) with 0.75-inch reach
• Hex size of 15.88 mm (0.625 inches) for easy installation
• Manufacturer heat range rating of 7

Detailed Features and Specifications of Champion Copper Plus 340

The Champion Copper Plus 340 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. The spark plug comes with a removable nut electrical terminal type and a flat seat design to ensure a secure fit and proper sealing in the combustion chamber. With a pre-gap size of 0.035 inches (0.89 mm), it is optimized for efficient ignition and fuel combustion. The resistor built into the plug helps minimize radio frequency interference, supporting vehicle electronics. Its thread diameter of 14 mm and reach of 0.75 inches make it compatible with a range of engines, including those found in Acura, Dodge, Honda, Jeep, Porsche, Saab, and Aston Martin models.

About the Champion Copper Plus Product Line

The Copper Plus line from Champion is designed to provide reliable ignition components with copper core technology. This line focuses on delivering consistent spark performance and durability through the use of copper and nickel materials. The Copper Plus 340 spark plug is part of this series, offering a balance of conductivity and longevity suitable for various secondary ignition applications.

Applications and Common Issues Addressed

• Compatible with Acura CSX, Dodge Dakota, Porsche Cayenne, Honda Civic, Jeep Grand Cherokee, and other models
• Helps resolve misfires caused by worn or fouled spark plugs
• Improves cold start performance and throttle response
• Reduces engine hesitation and rough idling
• Supports stable combustion to lower emissions

Installation Notes and Tips

• Verify correct spark plug gap of 0.035 inches before installation
• Use a 15.88 mm (5/8 inch) spark plug socket for removal and installation
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Torque spark plug to manufacturer specifications to avoid damage
• Inspect ignition wires and boots for wear during replacement

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet OEM specifications and undergo rigorous quality control testing. The part number 340 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 components.