SKU:
Osculati-47.557.08
$ 12,61
1-2 weeks delivery time
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Osculati 47.557.08 – Champion QL77JC4 is a marine-grade resistor spark plug designed for 2-stroke outboard engines. Featuring a 14 mm thread, 9.5 mm reach, 21 mm hex, and built-in resistor, it suppresses radio frequency interference (RFI), ensuring compatibility with marine electronics and smooth ignition performance in saltwater environments.
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Osculati 47.557.08 – Champion QL77JC4 Spark Plug
The Osculati 47.557.08 features the Champion QL77JC4, a resistor-type spark plug engineered specifically for marine outboards. Designed to suppress radio frequency interference (RFI), it is ideal for boats equipped with sensitive marine electronics, GPS, or VHF systems. This model is a common OEM choice for Johnson/Evinrude and other 2-stroke engines.
Main Features:
- Model: Champion QL77JC4
- Thread Size: 14 mm
- Reach: 9.5 mm (3/8")
- Hex Size: 21 mm (13/16")
- Resistor: Yes
- Type: Suppressor spark plug for electronic-safe operation
- Marine Use: Yes – corrosion-resistant
Benefits:
- Minimizes electrical interference with marine electronics
- Ensures smooth and consistent ignition performance
- Compatible with a wide range of 2-stroke outboards
- Corrosion-resistant materials for saltwater durability
- Recommended by manufacturers like Johnson and Evinrude
Technical Specifications Table:
Parameter Value Item Code 47.557.08 Model Champion QL77JC4 Thread Size 14 mm Reach 9.5 mm (3/8") Hex Size 21 mm (13/16") Resistor Yes Application 2-stroke marine outboard engines with electronics
The Osculati 47.557.08 – Champion QL77JC4 spark plug is the ideal choice for marine engines requiring both strong ignition performance and RFI suppression. It’s trusted by professionals and OEMs for safe, stable, and long-lasting operation in electronic-rich marine environments.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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