Champion 929 Spark Plug

Champion Copper Plus 929 Spark Plug Overview

The Champion Copper Plus 929 spark plug is engineered for reliable ignition performance in small engine applications. Designed with durable nickel and copper alloy components, this spark plug supports consistent combustion and efficient engine operation.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for stable spark delivery
• Pre-gap size of 0.035 inches (0.89 mm) optimized for ignition
• Flat seat type ensuring proper sealing
• Resistor type spark plug to reduce electrical interference
• Thread diameter of 14 mm (0.551 inches) with 0.5 inch reach
• Heat range rating of 95 suitable for various small engines
• Hex size of 20.65 mm (0.813 inches) for standard installation tools

Detailed Product Description

The Champion Copper Plus 929 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. Its flat seat design ensures a secure fit and proper sealing in the combustion chamber. The spark plug includes a non-removable nut electrical terminal and a resistor to minimize radio frequency interference, which is important for maintaining electronic system integrity in vehicles. With a heat range of 95, this plug is suitable for a range of small engine applications, including lawn mowers, generators, and other outdoor power equipment.

The Copper Plus product line from Champion is known for combining copper core technology with durable electrode materials to deliver consistent spark performance and longevity. This line is designed to meet the ignition needs of small engines requiring reliable starts and steady operation under various conditions.

Common Applications and Issues Addressed

• Helps resolve engine misfires caused by worn or damaged spark plugs
• Improves cold start performance in small engine equipment
• Reduces fouling and carbon buildup with proper electrode materials
• Supports stable combustion to prevent rough idling
• Minimizes electrical interference affecting onboard electronics

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.035 inches (0.89 mm) before installation
• Use a 20.65 mm (13/16 inch) socket wrench for proper tightening
• Apply anti-seize compound on threads if recommended by the engine manufacturer
• Torque to manufacturer specifications to avoid damage to the spark plug or engine
• Inspect the spark plug seat and clean the combustion chamber area before installation

Quality Assurance and Warranty

Champion spark plugs, including the Copper Plus 929, are manufactured to meet industry standards for performance and durability. The use of nickel and copper alloy materials ensures consistent electrical conductivity and resistance to electrode wear. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects. Refer to the product packaging or Champion's official documentation for exact warranty terms.