SKU:
Osculati-47.558.50
€ 8,66
1-2 weeks delivery time
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NGK CR5HSB (Osculati 47.558.50) is a compact resistor spark plug with M10 × 1.0 mm thread, 12.7 mm reach, 16 mm hex, and a factory-set 0.7–0.8 mm gap. Designed for small-displacement 4-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Provides excellent anti-fouling performance and EMI suppression. Equivalent to Champion 79Y.
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Osculati 47.558.50 – NGK CR5HSB Marine Spark Plug
The NGK CR5HSB (Osculati 47.558.50) is a compact, short-reach spark plug designed specifically for small 4-stroke marine engines. It features a built-in resistor for electromagnetic interference (EMI) suppression and a standard electrode configuration for consistent ignition. The narrow 10 mm thread and 16 mm hex body make it ideal for compact cylinder head designs in small outboards. This plug is particularly well-suited to engines used in lightweight tenders, inflatables, and portable motors.
Key Features:
- Resistor-type design to reduce RFI and EMI
- Short 12.7 mm reach for compact combustion chambers
- Standard tip for smooth ignition in low-RPM operation
- Nickel alloy construction for corrosion resistance in marine use
- Ideal for small-displacement 4-stroke outboard engines
Technical Specifications:
Attribute Value Model NGK CR5HSB Osculati Code 47.558.50 Thread Diameter M10 × 1.0 mm Reach 12.7 mm Hex Size 16 mm Heat Range 5 Gap 0.7 – 0.8 mm Electrode Type Standard Resistor Yes
Manufacturer Compatibility:
- Yamaha
- Mercury
- Mariner
- Suzuki
- Tohatsu
- Selva
- Honda
Cross Reference:
Brand Model NGK CR5HSB Champion 79Y
The NGK CR5HSB is the optimal spark plug for small marine outboards that demand consistent ignition performance in a compact package. It provides reliable spark, reduced interference with onboard electronics, and long service life in saltwater conditions.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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