SKU:
Osculati-47.558.32
$ 16,65
1-2 weeks delivery time
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NGK DCPR7E (Osculati 47.558.32), often labeled as RA8-H10 in OEM marine catalogs, is a precision resistor spark plug with a 12 mm thread, 19 mm reach, 16 mm hex size, and a 0.9 mm gap. Suitable for Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. Equivalent to Champion RA8HC. Optimized for 4-stroke marine engines with compact cylinder heads and electronic ignition systems.
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Osculati 47.558.32 – NGK DCPR7E Marine Spark Plug (RA8-H10 Type)
The NGK DCPR7E (Osculati 47.558.32), also referred to as RA8-H10 in several OEM marine catalogs, is a high-performance marine spark plug built for compact outboard engines. Its slim 12 mm thread and 16 mm hex head make it ideal for space-constrained cylinder head designs. The plug includes a resistor to suppress radio interference and features a projected tip for improved ignition efficiency and anti-fouling performance.
Key Features:
- 12 mm thread for compact engine compatibility
- Resistor element reduces electromagnetic interference (EMI)
- Projected insulator design enhances cold start and combustion
- Nickel alloy electrodes resist corrosion in marine use
- OEM fit for modern 4-stroke marine engines
Technical Specifications:
Attribute Value Model NGK DCPR7E Osculati Code 47.558.32 Thread Diameter M12 × 1.25 mm Reach 19 mm Hex Size 16 mm Heat Range 7 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 DCPR7E OEM Label RA8-H10 Champion RA8HC
NGK DCPR7E spark plugs are trusted by OEMs and marine professionals for their consistent ignition quality and reliability. This model is particularly suited to modern small-displacement 4-stroke outboards where space, precision, and EMI suppression are essential.
Documents
Osculati Catalogue 2025 - page 874 Size: 150,5 Kb -
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