Osculati 47.558.01 – NGK B7HS Spark Plug
The Osculati 47.558.01 includes the NGK B7HS spark plug, a marine-standard non-resistor plug ideal for small to mid-size 2-stroke outboards. Its robust design and copper-core electrode offer clean ignition and thermal stability even under tough saltwater conditions. Widely compatible with popular engine brands, this plug is a direct alternative to Champion L82C.
Main Features:
- Model: NGK B7HS
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2″)
- Hex Size: 20.8 mm (13/16″)
- Resistor: No
- Heat Range: 7 (NGK scale – medium)
- Electrode: Standard tip, copper core
- Champion Equivalent: L82C
Compatible Engine Brands:
- Mariner
- Yamaha
- Suzuki
- Mercury
- Tohatsu
- Selva
- Honda (older 2-stroke models)
Benefits:
- Excellent ignition reliability and thermal conductivity
- Non-resistor design delivers full spark energy
- Corrosion-resistant for marine use
- Widely supported across major outboard brands
Technical Specifications Table:
| Parameter | Value |
|---|---|
| Item Code | 47.558.01 |
| Model | NGK B7HS |
| Thread Size | 14 mm |
| Reach | 12.7 mm (1/2″) |
| Hex Size | 20.8 mm (13/16″) |
| Resistor | No |
| Champion Equivalent | L82C |
| Application | 2-stroke marine outboards |
The Osculati 47.558.01 – NGK B7HS spark plug is a go-to solution for consistent, high-quality ignition in outboards from the industry’s most trusted brands. With its reliable performance and OEM compatibility, it remains a standard choice for marine professionals and engine technicians.
