SKU:
Osculati-47.558.28
€ 7,69
1-2 weeks delivery time
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NGK BPR5ES (Osculati 47.558.28) is a versatile marine spark plug with a 14 mm thread, 19 mm reach, 20.8 mm hex size, and a factory-set 0.9 mm gap. Designed for compatibility with Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. It features a built-in resistor for EMI suppression and is cross-compatible with Champion RN11YC4. Ideal for 4-stroke marine engines requiring clean, efficient combustion.
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Osculati 47.558.28 – NGK BPR5ES Marine Spark Plug
The NGK BPR5ES (Osculati 47.558.28) spark plug is engineered to deliver efficient, stable combustion in a wide range of 4-stroke outboard engines. Designed with a projected insulator nose and a resistor core, it reduces radio frequency interference and enhances anti-fouling performance. This plug is widely used in marine applications requiring precision ignition and durability under load.
Key Features:
- Resistor type spark plug for EMI suppression
- Nickel alloy standard electrode with projected insulator
- Long reach (19 mm) for deeper combustion chamber fitment
- Improved cold starting and reduced risk of fouling
- Proven compatibility with major outboard engine brands
Technical Specifications:
Attribute Value Model NGK BPR5ES Osculati Code 47.558.28 Thread Diameter M14 × 1.25 mm Reach 19 mm Hex Size 20.8 mm Heat Range 5 Gap 0.9 mm Electrode Type Standard with projected tip Resistor Yes
Manufacturer Compatibility:
- Yamaha
- Mercury
- Mariner
- Suzuki
- Tohatsu
- Selva
- Honda
Cross Reference:
Brand Model NGK BPR5ES Champion RN11YC4
This plug is ideal for marine applications requiring a balance of heat dissipation and resistance to fouling, particularly in 4-stroke engines under varied load conditions. It meets OEM quality standards and is trusted by boat manufacturers and service professionals worldwide.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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