Champion 810 RA8HC Small Engine Spark Plug – Replacement Lawn & Garden Equipment Engine Ignition Component

Part Number: 810
Category: Champion Lawn & Garden Equipment Engine Replacement Parts
Type: Replacement RA8HC Copper Plus Small Engine Resistor Spark Plug

The Champion 810 RA8HC Small Engine Spark Plug is a Copper Plus replacement ignition component designed for compatible gasoline-powered lawn and garden equipment engines. Featuring a copper-core center electrode, nickel-alloy ground electrode, and built-in resistor technology, this spark plug supports dependable engine starting, consistent combustion, and reduced electrical interference. The Champion RA8HC features a 12mm thread diameter, 19mm (3/4-inch) thread reach, 16mm (5/8-inch) hex size, and a preset electrode gap of 0.025 inches (0.64mm). Its corrosion-resistant shell helps provide durability during normal operation. Ideal for replacing worn, fouled, damaged, or deteriorated spark plugs, the Champion 810 RA8HC supports reliable ignition performance in compatible small engines and outdoor power equipment.

Product Specifications

• Part Number: 810

• Brand: Champion

• Spark Plug Model: RA8HC

• Product Series: Copper Plus

• Product Type: Small Engine Spark Plug

• Component Type: Engine Ignition Resistor Spark Plug

• Center Electrode: Copper Core

• Ground Electrode Material: Nickel Alloy

• Thread Diameter: 12mm

• Thread Pitch: 1.25mm

• Thread Reach: 19mm (3/4")

• Hex Size: 16mm (5/8")

• Seat Type: Gasket Seat

• Heat Range: Champion 8

• Preset Electrode Gap: 0.025" (0.64mm)

• Resistor Type: Resistor Spark Plug

• Shell Finish: Corrosion-Resistant Coating

• UPC: 037551000548

• Application: Gasoline Engine Ignition System Maintenance

• Quantity: 1 Spark Plug

• Condition: New

Features & Benefits

• Genuine Champion 810 RA8HC Copper Plus replacement spark plug

• Copper-core electrode supports efficient heat transfer and dependable ignition

• Nickel-alloy electrode provides reliable spark performance

• Built-in resistor helps reduce ignition-related electrical interference

• Features a 12mm thread diameter and 19mm thread reach

• Preset 0.025-inch electrode gap for compatible engine applications

• Corrosion-resistant shell helps protect against environmental wear

• Helps maintain consistent combustion and dependable engine starting

• Replaces worn, fouled, damaged, or deteriorated spark plugs

Applications

• Compatible gasoline-powered small engines

• Small engine ignition system maintenance

• Lawn and garden equipment engine servicing where compatible

• Champion RA8HC spark plug replacement

• Equipment specifying Champion stock number 810

• Compatible Kohler engine applications where specified

• Outdoor power equipment tune-ups and repairs

• Routine spark plug inspection and replacement

Important Notes

• Verify Champion part number 810 and spark plug model RA8HC before ordering

• This listing is for one replacement spark plug, not a complete ignition system or engine tune-up kit

• Confirm compatibility with your specific engine model and specification number

• Verify the required 12mm thread diameter, 19mm thread reach, and gasket-style seat

• The preset electrode gap is 0.025 inches (0.64mm); follow the engine manufacturer's specified gap

• Do not assume compatibility with every lawn mower, Kohler engine, or gasoline-powered machine

• Cross-reference listings may identify compatible Kohler, NGK, and Autolite spark plugs, but fitment must be verified for the specific engine

• Use the manufacturer's recommended spark plug installation torque

• Replace worn, fouled, cracked, or damaged spark plugs according to the recommended maintenance schedule

• Ensure the ignition wire and spark plug connection are properly secured before operation