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Champion 929 Spark Plug
| Brand | Champion 929 |
|---|---|
| Center Electrode Diameter (Inch) | 0.094 |
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus Small Engine |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Material | Nickel Copper Alloy |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.813 |
| Hex Size | 20.650 |
| Hex Type | Hex |
| Installed Height (Inch) | 2.24 |
| Insulator Height | 0.06 |
| Insulator Projection (Inch) | 0.06 |
| Manufacturer Heat Range | 95 |
| Plug Type | RL95YC |
| Pre-Gap Size | 0.035 |
| Pre-Gap Size | 0.89 |
| Reach | 0.5 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Taper Diameter (Inch) | 0.31 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Copper Plus |
| Fits | Yamaha, Aprilia, Kawasaki, Suzuki, Honda, Morgan, Marcos, Chevrolet, and Renault |
Copper core electrode. Provides increased conductivity and heat control for steady wear.
Resistor type. Helps reduce electrical noise for smoother ignition performance.
Champion Copper Plus. Dependable performance from Champion's spark plug line.
Cross-references AMS Automotive 4111, Anchor 3070 and Anchor 3311 for the same application. See all 62.
Champion Copper Plus 929 Spark Plug
Champion Copper Plus 929 is a small engine spark plug built for dependable ignition performance and steady heat control. Its copper core electrode helps improve conductivity, while the nickel center and ground electrode materials support consistent wear characteristics in service.
Compatible With applications that call for RL95YC, this Champion spark plug is a practical choice for routine ignition service on equipment and vehicles that specify this plug type. The 929 part number is also commonly searched for small engine and secondary ignition replacement needs.
Key Features
- Copper core electrode for improved conductivity and heat management
- Nickel center electrode tip and nickel ground electrode materials
- Pre-gapped at 0.035 in. (0.89 mm)
- Resistor design for ignition system noise control
- Flat seat construction with 14 mm thread diameter and 0.5 in. reach
- Hex size 0.813 in. for standard service tools
- Champion Copper Plus small engine classification
Product Details
The Champion Copper Plus line focuses on straightforward ignition service with a copper core that supports conductivity and heat transfer. For buyers searching Champion 929 spark plug details, this plug uses a non-removable nut terminal, a single ground electrode, and a manufacturer heat range of 95. The RL95YC plug type and flat seat design make it important to verify the original specification before installation. This part cross-references Autolite 275 and NGK 4013 for the same application.
Common Issues It May Address
- Hard starting caused by worn or fouled spark plugs
- Weak spark output from aged ignition components
- Rough idle or inconsistent combustion
- Misfire symptoms tied to incorrect plug gap or worn electrodes
- Reduced ignition efficiency in small engine service
Installation Notes and Tips
Confirm the required plug type, thread diameter, reach, seat style, and heat range before installation. Set the gap to the specified 0.035 in. only if your application requires adjustment, and use the correct hex size for removal and tightening. For vehicle-specific searches such as Champion 929 spark plug for Honda Civic or Champion 929 spark plug for Toyota Corolla, always match the OE plug specification rather than relying on model name alone.
Quality Assurance
Champion Copper Plus plugs are built around a copper core design for dependable performance and controlled operating temperatures. The nickel electrode materials and resistor construction support consistent ignition service in applications that specify this plug configuration.
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