SKU:
Osculati-47.557.14
$ 7,72
1-2 weeks delivery time
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Osculati 47.557.14 – Champion QL78YC is a marine resistor spark plug designed for outboard and inboard engines requiring reduced radio frequency interference (RFI). With a 14 mm thread, 19 mm (3/4") reach, 16 mm (5/8") hex, and copper core construction, it provides stable ignition and high resistance to marine corrosion.
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Osculati 47.557.14 – Champion QL78YC Spark Plug
The Osculati 47.557.14 features the Champion QL78YC spark plug, a resistor-type model specifically built for marine use. It’s engineered to suppress radio frequency interference (RFI), making it ideal for vessels with electronic navigation, radio, or sonar systems. The copper core ensures efficient heat transfer and ignition reliability in high-moisture saltwater environments.
Main Features:
- Model: Champion QL78YC
- Thread Size: 14 mm
- Reach: 19 mm (3/4")
- Hex Size: 16 mm (5/8")
- Resistor: Yes – RFI suppression built-in
- Core Type: Copper core
- Application: 2-stroke or 4-stroke marine engines
- Marine Grade: Yes – anti-corrosion design
Benefits:
- Prevents interference with marine electronics (VHF, GPS, sonar)
- Delivers consistent spark under all operating conditions
- Copper core enhances thermal performance and plug life
- Built to withstand high humidity, salt, and heat
Technical Specifications Table:
Parameter Value Item Code 47.557.14 Model Champion QL78YC Thread Size 14 mm Reach 19 mm (3/4") Hex Size 16 mm (5/8") Resistor Yes Core Type Copper Application Marine outboard/inboard engines with electronics
The Osculati 47.557.14 – Champion QL78YC spark plug is a top choice for marine engines requiring RFI protection without sacrificing spark strength. Trusted by professionals and OEMs alike, it delivers long-term performance in challenging saltwater conditions while ensuring electronic systems stay interference-free.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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