Osculati 47.557.19 – Champion QL78C Spark Plug
The Osculati 47.557.19 includes the Champion QL78C spark plug, specifically engineered for 2-stroke outboard engines with electronic components onboard. It features a built-in resistor that suppresses electromagnetic interference, ensuring compatibility with marine electronics like GPS, VHF radios, and fishfinders. The QL78C delivers reliable ignition and is built to withstand harsh marine conditions.
Main Features:
- Model: Champion QL78C
- Thread Size: 14 mm
- Reach: 9.5 mm (3/8″)
- Hex Size: 21 mm (13/16″)
- Resistor: Yes – integrated for RFI suppression
- Electrode Type: Standard tip
- Marine Use: Yes – saltwater corrosion resistant
Benefits:
- Prevents interference with GPS, sonar, and marine radios
- Provides clean, stable ignition under load
- Resists fouling and corrosion in marine conditions
- OEM-level compatibility with many outboard engine brands
Technical Specifications Table:
| Parameter | Value |
|---|---|
| Item Code | 47.557.19 |
| Model | Champion QL78C |
| Thread Size | 14 mm |
| Reach | 9.5 mm (3/8″) |
| Hex Size | 21 mm (13/16″) |
| Resistor | Yes |
| Application | 2-stroke outboard engines with electronics |
The Osculati 47.557.19 – Champion QL78C spark plug is ideal for marine engines where reliable ignition and electronic compatibility are critical. It ensures dependable starts and engine performance while maintaining interference-free operation of onboard systems.
