Champion L78YC Spark Plug – Osculati 47.557.29

Osculati 47.557.29 – Champion L78YC Spark Plug

The Osculati 47.557.29 includes the Champion L78YC spark plug, a non-resistor type plug designed for reliable performance in marine 2-stroke and 4-stroke engines. With a copper core for enhanced thermal conductivity and a projected nose for improved ignition efficiency, this plug is suited for engines where full voltage delivery is required and electronic RFI suppression is not necessary.

Main Features:

• Model: Champion L78YC
• Thread Size: 14 mm
• Reach: 19 mm (3/4″)
• Hex Size: 16 mm (5/8″)
• Resistor: No
• Electrode Type: Projected tip
• Core Type: Copper core
• Marine Grade: Yes – corrosion-resistant materials

Benefits:

• Maximum spark energy delivery for traditional ignition systems
• Excellent heat dissipation thanks to copper core design
• Resists fouling and corrosion in saltwater environments
• Ideal for basic or legacy marine engines

Technical Specifications Table:

The Osculati 47.557.29 – Champion L78YC spark plug is the right choice for boaters operating simple or classic marine engines without the need for RFI suppression. It ensures reliable spark delivery, good anti-fouling characteristics, and dependable performance even in saltwater-heavy conditions.