SKU:
Osculati-47.558.09
€ 8,01
1-2 weeks delivery time
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+
Osculati 47.558.09 – NGK BR8-HS-10 is a resistor marine spark plug with a factory-set 1.0 mm gap, ideal for 2-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Featuring a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex, it provides stable combustion and protects marine electronics. Cross-referenced to Champion QL78C.
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Osculati 47.558.09 – NGK BR8-HS-10 Spark Plug
The Osculati 47.558.09 features the NGK BR8-HS-10 spark plug, a marine-grade resistor plug used in 2-stroke outboards with onboard electronic systems. Designed with a 5 kΩ built-in resistor, it protects devices such as GPS, fishfinders, and radios from radio frequency interference (RFI). The plug comes pre-gapped at 1.0 mm, ensuring precise ignition in high-moisture marine environments. Equivalent to Champion QL78C.
Main Features:
- Model: NGK BR8-HS-10
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2")
- Hex Size: 20.8 mm (13/16")
- Resistor: Yes – 5 kΩ RFI suppression
- Pre-set Gap: 1.0 mm
- Heat Range: 8 (medium-cold)
- Core Type: Copper core
- Champion Equivalent: QL78C
Compatible Engine Brands:
- Mariner
- Yamaha
- Suzuki
- Mercury
- Tohatsu
- Selva
- Honda (2-stroke series)
Benefits:
- Built-in resistor ensures safe use with sensitive electronics
- Excellent anti-fouling performance in marine environments
- Copper core for superior thermal conductivity and spark efficiency
- Easy drop-in replacement with factory-set 1.0 mm gap
Technical Specifications Table:
Parameter Value Item Code 47.558.09 Model NGK BR8-HS-10 Thread Size 14 mm Reach 12.7 mm (1/2") Hex Size 20.8 mm (13/16") Resistor Yes (5 kΩ) Pre-set Gap 1.0 mm Heat Range 8 Champion Equivalent QL78C Application 2-stroke outboard marine engines
The Osculati 47.558.09 – NGK BR8-HS-10 spark plug is a marine-grade, RFI-protected ignition solution trusted by engine manufacturers and marine technicians. With precise ignition, excellent durability, and full electronics compatibility, it supports reliable engine performance in saltwater environments.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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