Description
Overview:
The Genuine NGK BR7ES Spark Plug (Stock No. 5122) is a standard resistor spark plug for small petrol engines. Built with a copper core for efficient heat transfer and a durable nickel alloy electrode with a ceramic insulator, it delivers a reliable spark for smooth starting and steady running. It suits many Tecumseh-powered machines found in garden and light construction equipment, including Sears 4.5HP and 5HP models. Key fitment details include an M14 x 1.25 thread, 19 mm reach (3/4 in), and a 20.8 mm hex size (13/16 in) for common plug spanners. As a genuine NGK part, it meets OEM-level performance and compatibility standards, helping maintain consistent combustion and long service life in regularly used equipment.
Key Features:
- Genuine NGK part for dependable ignition performance and compatibility
- Resistor type reduces radio frequency interference for cleaner running with electronic equipment
- Copper core and nickel alloy electrode balance heat dissipation and durability
- Robust ceramic insulator and corrosion-resistant shell for long service life
- M14 x 1.25 thread, 19 mm reach (3/4 in), and 20.8 mm hex (13/16 in) for straightforward fitting
- Supports easy starting, stable idle, and consistent power under load
- Meets OEM specifications typically required by Tecumseh small engines
- Supplied pre-gapped from the factory; check and adjust to the engine maker's specification before use
- Suitable for routine maintenance and replacement schedules
- Sold individually
Typical Applications:
Commonly used in Tecumseh-powered lawn mowers, rotavators/tillers, generators, water pumps, and light site equipment. Ideal for engines operating in varied conditions where reliable cold starts, steady combustion, and resistance to fouling are important for day-to-day use.
Also known as:
Spark plug, ignition plug, engine spark igniter, resistor spark plug, small engine plug, petrol engine plug, NGK standard plug.
Fits Models:
Sears 4.5HP, Sears 5HP, Tecumseh OH195, Tecumseh OH318, Tecumseh OV358
Alternate Part Numbers:
5122
Product Specifications
| L&S Part No. | BR7ES |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NGK |
| OEM No. | 5122 |
| Unit of Sale | 1 |
| Applications | Sears 4.5HP, Sears 5HP, Tecumseh OH195, Tecumseh OH318, Tecumseh OV358, Sears4.5HP, Sears5HP, TecumsehOH195, TecumsehOH318, TecumsehOV358 |
| Machine Type | Engines |
