Description
Overview:
The Champion RDJ8J is a 14 mm (approx 9/16 in) resistor-type spark plug for small petrol engines used in construction and garden machinery. Built around a tough steel shell with a corrosion-resistant finish, a high-grade ceramic insulator, and a durable nickel-alloy centre electrode, it delivers reliable ignition of the air-fuel mixture for smoother starting and steady running. Suitable for a wide range of Champion-equipped equipment, it supports everyday use in lawn mowers, generators, tillers, strimmers, plate compactors, and similar machines. Its 14 mm thread size ensures a precise fit where this specification is required, helping maintain efficiency and engine response under regular workloads.
Key Features:
- 14 mm (approx 9/16 in) thread diameter for correct fit on engines requiring this size
- Resistor design helps reduce electrical interference with ignition and electronics
- Robust ceramic insulator for dependable heat resistance and fouling control
- Nickel-alloy electrode for consistent spark delivery and wear resistance
- Steel shell with protective plating to resist corrosion in damp or dusty environments
- Reliable cold and hot starting across typical UK weather conditions
- Stable idle and smoother running to support efficient fuel burn
- Suitable for everyday duty in both garden and light construction equipment
- Straightforward replacement using a standard spark plug socket (check access and torque)
- Designed to work with common small-engine ignition systems for consistent performance
Typical Applications:
Used in small petrol engines across garden and site equipment where a 14 mm resistor plug is specified. Common examples include lawn mowers, pressure washers, generators, strimmers/brushcutters, hedge trimmers, compactors, and rotavators. Ideal for routine servicing to restore easy starting, reduce misfires, and support reliable operation during regular domestic, trade, or hire use.
Also known as:
Ignition plug, resistor plug, engine ignition element, spark igniter, 14 mm threaded plug, small‐engine ignition plug, engine firing plug, combustion igniter.
Product Specifications
| L&S Part No. | RDJ8J |
|---|---|
| Manufacturer | Champion |
| OEM No. | RDJ8J |
| Unit of Sale | 1 |
| Machine Type | Engines |
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