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Champion 853 Spark Plug
Reliable Ignition with Champion Copper Plus Spark Plug 853
The Champion Copper Plus Spark Plug 853 is engineered to deliver consistent ignition performance for small engine applications. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and reliable starts in various small engine models.
- Ground electrode core and center electrode tip made of nickel for durability
- Pre-set gap size of 0.020 inches (0.50 mm) for optimal spark
- Flat seat type with a reach of 0.375 inches for secure fitment
- Thread diameter of 14 mm (0.551 inches) compatible with many small engines
- Hex size of 19 mm (0.748 inches) for easy installation and removal
- Non-resistor type spark plug with removable nut electrical terminal
- Manufacturer heat range rating of 7 for balanced heat dissipation
Champion Copper Plus Product Line Overview
The Copper Plus line from Champion focuses on spark plugs that combine copper core technology with nickel alloy electrodes to enhance conductivity and wear resistance. This product line is tailored for small engine use, providing a balance of performance and longevity. The Champion Copper Plus 853 spark plug exemplifies these qualities, making it suitable for a range of small engine applications requiring reliable ignition components.
Technical Details and Specifications
The Champion Copper Plus 853 spark plug features a single ground electrode made from a nickel copper alloy, which improves electrode life and consistent spark delivery. The center electrode diameter measures 0.078 inches, contributing to efficient ignition. With an insulator height and projection of 0.06 inches, the plug maintains proper insulation and heat management. The flat seat design ensures a tight seal in compatible engine cylinders, while the 0.375-inch reach fits many small engine combustion chambers. The spark plug’s thread diameter of 14 mm and hex size of 19 mm allow for compatibility with common small engine models and ease of installation using standard tools.
Applications and Problem Solving
- Restores reliable ignition in small engines experiencing misfires or hard starts
- Improves combustion efficiency in lawn mowers, generators, and other small engine equipment
- Addresses fouling issues caused by worn or damaged spark plugs
- Helps maintain consistent engine performance under varying operating conditions
- Suitable replacement for spark plugs with similar heat range and thread specifications
Installation Notes and Tips
Before installation, verify the spark plug gap is set to the specified 0.020 inches (0.50 mm) to ensure optimal performance. Use a 19 mm socket wrench to install or remove the spark plug, taking care not to overtighten to avoid thread damage. The flat seat design requires proper seating torque to maintain a secure seal. The removable nut electrical terminal allows for flexible connection options depending on the ignition system setup.
Quality Assurance and Warranty
Champion Copper Plus spark plugs are manufactured to meet industry standards for small engine ignition components. The use of nickel and copper alloy materials supports durability and consistent performance. While specific warranty details are not provided, Champion products typically adhere to quality control processes to ensure reliability in compatible small engine applications.
| Brand | Champion |
| Part Number | 853 |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable nut |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.020 |
| Pre-Gap Size | 0.50 |
| Ground Electrode Quantity | 1 |
| Insulator Height | 0.06 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | 0.375 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Resistor Type | No |
| Hex Type | Hex |
| Center Electrode Diameter (Inch) | 0.078 |
| Classification | Champion copper plus small engine |
| Ground Electrode Material | Nickel copper alloy |
| Hex Size | 0.748 |
| Hex Size | 19.000 |
| Installed Height (Inch) | 1.56 |
| Insulator Projection (Inch) | 0.06 |
| Plug Type | Cj7y |
| Taper Diameter (Inch) | 0.27 |
This part fits 0 vehicles. Search below:
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.