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The Champion J17LM Copper Plus Small Engine Spark Plug delivers dependable ignition performance for compatible small gasoline engines. Designed with a copper-core center electrode, this spark plug provides efficient electrical conductivity and improved heat control to support consistent engine starting and reliable operation.
Featuring nickel alloy electrodes and a corrosion-resistant design, the Champion J17LM is built for durability in demanding small-engine applications. Its precision-engineered construction helps maintain consistent spark performance, making it a practical replacement plug for compatible lawn mowers, outdoor power equipment, and other small engines.
Manufactured to Champion's quality standards, this Copper Plus spark plug features a nickel tip and is backed by a two-year limited warranty.
- Item Features
- Attributes
- Champion Copper Plus spark plug designed for small gasoline engines
- Copper-core center electrode improves conductivity and heat control
- Nickel alloy electrodes provide dependable ignition performance
- Nickel tip material offers durability during regular engine operation
- Corrosion-resistant construction helps extend service life
- Supports consistent spark delivery and reliable engine starting
- 14mm thread diameter for compatible small-engine cylinder heads
- 3/8-inch thread reach
- 13/16-inch hex size for installation and removal
- Gasket-style seat provides a secure fit
- Non-resistor spark plug design
- Ideal for compatible lawn mowers and outdoor power equipment
- Manufactured to applicable ISO and SAE quality standards
- Backed by a two-year limited warranty

