Description
Overview:
The Genuine Champion J19LM Spark Plug is a high-quality replacement plug for small petrol engines used in lawn and garden equipment and compact construction tools. It provides a consistent spark to ignite the fuel-air mix for easier starting, stable idling, and cleaner running. Built with a durable ceramic insulator and a corrosion-resistant metal shell, it withstands heat, vibration, and fouling in everyday use. Key sizes make fitting straightforward: 14 mm thread diameter, 9.5 mm thread reach, and 21 mm hex. The solid terminal suits standard plug caps found on many small engines. This genuine Champion part, MPN J19LM, is sold individually and is a dependable choice for routine servicing of mowers, generators, tillers, and similar equipment.
Key Features:
- Genuine Champion J19LM part for assured fit and performance
- 14 mm thread diameter and 9.5 mm reach for common small-engine heads
- 21 mm hex fits standard plug spanners for easy installation and removal
- Solid terminal for secure connection with typical small-engine leads
- Stable ignition for reliable starts and smooth operation under load
- Durable construction resists fouling and corrosion in everyday conditions
- Helps maintain fuel efficiency and reduce misfires when serviced correctly
- Suitable for regular maintenance schedules and quick roadside or workshop replacements
- Sold individually for straightforward one-for-one replacement
- Compatible with many lawn and garden machines, compact generators, and small contractor tools
Typical Applications:
Ideal for walk-behind lawn mowers, ride-on mower engines that accept 14 mm plugs with 9.5 mm reach, small petrol generators, rotavators/tilers, pressure washers, compact water pumps, and other utility engines used on job sites and in gardens. Use during routine servicing to restore dependable ignition, improve cold starts, and support steady running in domestic and light commercial environments.
Also known as:
Often referred to as a sparkplug (one word), ignition plug, petrol engine plug, combustion plug, or small-engine plug. Some users describe it by size (14 mm plug) or by its code (J19LM plug) when matching service parts for lawnmowers and compact generators.
Product Specifications
| L&S Part No. | J19LM |
|---|---|
| Manufacturer | Champion |
| OEM No. | J19LM |
| Unit of Sale | 1 |
| Machine Type | Engines |
