The Champion J12YC spark plug is designed to support reliable ignition, consistent engine performance, and long service life. It features a copper-core center electrode that helps provide accurate heat-range control, allowing the plug to operate efficiently while supporting dependable combustion. This design is suitable for engine applications specified for the Champion J12YC model and should be matched to the equipment manufacturer’s recommended spark plug requirements.
Champion’s patented SAC-9 semi-conductor resistor helps suppress electromagnetic interference (EMI) and radio-frequency interference (RFI), supporting stable operation of nearby electronic systems. The patented Ultraseal™ coated shell helps protect the spark plug against rust and corrosion, making it a practical choice for maintenance and replacement applications where durability is important.
Use the Champion J12YC spark plug, manufacturer part number 10 and vendor part number J12YC, only in compatible engines and equipment. Verify model, application, thread specifications, heat range, and ignition-system requirements before installation. Professional installation and proper gap adjustment are recommended when required by the engine manufacturer.
Features:
- Copper-core center electrode: Provides accurate heat-range control to support performance and spark plug longevity
- SAC-9 semi-conductor resistor: Helps suppress EMI and RFI for dependable ignition-system operation
- Ultraseal™ coated shell: Helps prevent rust and corrosion for improved durability
- Application fitment: Designed for engines and equipment specified for the Champion J12YC spark plug
- Brand and part numbers: Champion brand, J12YC model, manufacturer part number 10, and vendor part number J12YC