SKU:
Osculati-47.558.99
€ 33,09
1-2 weeks delivery time
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The Osculati 47.558.99 – NGK IZFR7M is a long-life iridium spark plug engineered for precision ignition in modern outboard engines. With a 14 mm thread diameter, 19 mm (3/4") reach, ultra-fine iridium center electrode, and resistor-type design, it offers optimal combustion, durability, and resistance to fouling. This plug is commonly fitted in high-efficiency engines from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda.
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Osculati 47.558.99 – NGK IZFR7M Iridium Spark Plug for Outboard Engines
The NGK IZFR7M spark plug, referenced by Osculati code 47.558.99, is an ultra-high-performance iridium spark plug designed for marine engines requiring stable ignition and extended service intervals. Its laser-welded fine-wire iridium center electrode enables lower voltage requirements and superior ignitability, even under demanding operating conditions. Resistant to fouling and corrosion, it is suitable for use in both fresh and saltwater environments.
Key Features:
- Iridium center electrode for maximum longevity and ignition performance
- Platinum ground electrode for long-lasting spark stability
- 14 mm thread diameter and 19 mm (3/4") reach
- Resistor design to suppress electromagnetic interference (EMI)
- Engineered for extended maintenance intervals
Technical Specifications:
Osculati Code 47.558.99 Model NGK IZFR7M Type Iridium Resistor Spark Plug Thread Diameter 14 mm Thread Reach 19 mm (3/4") Hex Size 16 mm (5/8") Electrode Material Iridium Center / Platinum Ground Heat Range 7 Electrode Gap 0.8 mm (0.031") Terminal Type Removable Champion Equivalent N/A
Brand Compatibility:
- Yamaha
- Mercury
- Mariner
- Suzuki
- Tohatsu
- Selva
- Honda
This premium iridium spark plug is ideal for high-efficiency marine engines requiring precise combustion, resistance to marine corrosion, and minimal maintenance cycles. Commonly used in four-stroke outboards with electronic fuel injection systems.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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