SKU:
Osculati-47.558.17
€ 8,99
1-2 weeks delivery time
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Osculati 47.558.17 – NGK DR5HS is a resistor-type spark plug with a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex. Designed for smooth combustion and RFI protection in 2-stroke marine engines by Yamaha, Mercury, Suzuki, Tohatsu, Selva, Mariner, and Honda. Champion equivalent: P10Y.
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Osculati 47.558.17 – NGK DR5HS Spark Plug
The Osculati 47.558.17 features the NGK DR5HS spark plug, a resistor-type plug used in small 2-stroke outboards where compact ignition solutions with RFI suppression are required. With its medium-cold heat range, copper-core center electrode, and 1/2" reach, this spark plug is optimized for consistent cold starts and reliable combustion under high-load marine conditions. It includes a 5 kΩ built-in resistor to protect marine electronics such as GPS, sonar, and VHF radios.
The DR5HS corresponds to Champion P10Y and is commonly used in compact and mid-range outboards by all leading marine engine manufacturers.
Main Features:
- Model: NGK DR5HS
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2")
- Hex Size: 20.8 mm (13/16")
- Resistor: Yes – 5 kΩ internal
- Heat Range: 5 (medium-cold)
- Tip Style: Standard
- Core Material: Copper core
- Champion Equivalent: P10Y
Compatible Engine Brands:
- Mariner
- Yamaha
- Mercury
- Tohatsu
- Selva
- Suzuki
- Honda (2-stroke outboards)
Benefits:
- Integrated resistor for interference-free operation with electronics
- Medium-cold heat range supports higher engine loads
- Strong anti-fouling and marine-grade durability
- Direct Champion P10Y replacement for many OEM installations
Technical Specifications Table:
Parameter Value Item Code 47.558.17 Model NGK DR5HS Thread Size 14 mm Reach 12.7 mm (1/2") Hex Size 20.8 mm (13/16") Resistor Yes (5 kΩ) Heat Range 5 Core Type Copper Champion Equivalent P10Y Application Small to mid-sized 2-stroke outboard engines
The Osculati 47.558.17 – NGK DR5HS spark plug is a robust and RFI-safe solution for compact 2-stroke marine engines. Its combination of cold rating, copper core, and projected reliability makes it a trusted choice in demanding saltwater use cases.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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