SKU:
Osculati-47.557.29
$ 7,14
1-2 weeks delivery time
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Osculati 47.557.29 – Champion L78YC is a non-resistor spark plug featuring a 14 mm thread, 19 mm (3/4") reach, and 16 mm (5/8") hex. Built with a copper core and standard tip, it delivers strong ignition and thermal stability, ideal for 2-stroke or 4-stroke marine engines not requiring RFI suppression.
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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:
Parameter Value Item Code 47.557.29 Model Champion L78YC Thread Size 14 mm Reach 19 mm (3/4") Hex Size 16 mm (5/8") Resistor No Electrode Projected nose Core Type Copper Application 2-stroke / 4-stroke marine engines
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.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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