SKU:
Osculati-47.558.43
€ 13,27
1-2 weeks delivery time
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NGK ZFR7F (Osculati 47.558.43) is a high-performance marine spark plug featuring a 14 mm thread, 19 mm reach, 16 mm hex, and a factory-set 0.8 mm gap. It’s designed for 4-stroke outboard engines by Yamaha, Mercury, Suzuki, Mariner, Tohatsu, Selva, and Honda. The resistor and projected tip ensure precise ignition and EMI suppression. No direct Champion cross-reference is available.
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Osculati 47.558.43 – NGK ZFR7F Marine Spark Plug
The NGK ZFR7F (Osculati 47.558.43) spark plug is engineered for modern marine 4-stroke outboards that demand stable combustion, precise ignition, and full compatibility with electronic control systems. It features a projected tip and an internal resistor, delivering excellent anti-fouling performance and EMI reduction. The long 19 mm reach and 14 mm thread ensure secure fitment in deep-set plug wells common to high-efficiency marine engines.
Key Features:
- Integrated resistor for reduced electromagnetic interference (EMI)
- Projected tip insulator for improved combustion and reduced fouling
- Solid copper core for superior heat conductivity
- Nickel alloy electrodes for corrosion resistance in marine environments
- Ideal for high-efficiency 4-stroke marine outboards
Technical Specifications:
Attribute Value Model NGK ZFR7F Osculati Code 47.558.43 Thread Diameter M14 × 1.25 mm Reach 19 mm Hex Size 16 mm Heat Range 7 Gap 0.8 mm Electrode Type Standard with projected tip Resistor Yes
Manufacturer Compatibility:
- Yamaha
- Mercury
- Mariner
- Suzuki
- Tohatsu
- Selva
- Honda
Cross Reference:
Brand Model NGK ZFR7F Champion –
The NGK ZFR7F spark plug is the ideal choice for marine professionals seeking stable ignition, cleaner operation, and maximum engine efficiency in 4-stroke outboard motors. Its robust design and corrosion-resistant materials guarantee durability in saltwater environments.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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