Champion CCH883 QL78C Copper Plus Small Engine Spark Plug

The Champion CCH883 (QL78C) is a Copper Plus spark plug designed for small engines, marine outboards, and power equipment applications. This traditional-style spark plug delivers reliable performance with its copper core center electrode that provides increased conductivity and superior heat control for optimal engine operation.

Key Features:

• Copper core center electrode for enhanced conductivity and heat dissipation
• Nickel alloy electrodes for durability and consistent performance
• Q-type inductive suppressor resistor prevents CDI ignition interference
• Corrosion-resistant zinc-plated shell for marine applications
• Gasket seat type for reliable sealing
• Heat range 78 for versatile applications

Technical Specifications:

• Thread size: 14mm (M14 x 1.25)
• Thread reach: 12.7mm (1/2")
• Hex size: 21mm (13/16")
• Spark gap: 0.030" (0.75mm) / 0.027"-0.033"
• Electrode configuration: Single ground electrode
• Resistor type: Q-type inductive suppressor
• Terminal type: Solid, non-removable nut

Cross-Reference Information:

Replaces: Autolite 2653, 4092, 411, 421 | Bosch W3AC, WR4AC | Champion RL78, RL78C, XL78 | NGK BR7HS, BR8HS, BR8HS-10, BZ7HS-10 and other compatible plugs.

The Champion CCH883 spark plug is engineered to meet ISO and SAE standards and is suitable for a wide range of small engines including lawn mowers, generators, pressure washers, marine outboard motors, and other power equipment requiring this specification.