Champion 828M Spark Plug

Brand Champion 828M
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-removable nut
Center Electrode Tip Material Nickel
Ground Electrode Quantity 1
Manufacturer Heat Range 77
Seat Type Flat
Reach 0.5
Thread Diameter 0.551
Thread Diameter 14.000
Resistor Type Yes
Hex Type Hex
Center Electrode Diameter (Inch) 0.1
Classification Champion copper plus small engine
Ground Electrode Material Nickel copper alloy
Hex Size 0.813
Hex Size 20.650
Installed Height (Inch) 2.24
Plug Type Ql77jc4
Taper Diameter (Inch) 0.25
Fits —

Copper core electrode. Improves conductivity and heat control for dependable performance.

Nickel construction. Supports good overall wear in demanding ignition use.

Resistor type. Helps reduce electrical noise for smoother operation.

Cross-references AMS Automotive 4522, Anchor 3579 and Gates 33828S for the same application. See all 9.

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Champion Copper Plus 828M Spark Plug

Champion 828M is a Copper Plus spark plug built for dependable ignition performance in small engine applications. Its copper core electrode improves conductivity and heat control, while nickel center and ground electrode materials support consistent wear characteristics.

The Copper Plus line focuses on practical, OE-style ignition performance with a copper core design that helps manage operating temperature and maintain stable spark delivery. For buyers searching for a Champion spark plug for small engine service, 828M offers a straightforward replacement option.

Key Features

  • Copper core electrode for improved conductivity and heat control
  • Nickel center electrode tip and nickel ground electrode construction
  • Resistor design for reduced electrical noise
  • Flat seat design
  • Non-removable nut terminal
  • Champion Copper Plus Small Engine classification
  • Part number 828M for easy identification

Product Details

Champion 828M is a spark plug in the Copper Plus line, engineered with a copper core electrode to support stable ignition performance and controlled heat transfer. The plug uses a 14.000 mm thread diameter, 0.5 reach, 20.650 mm hex size, and a flat seat configuration. It also features a resistor design and a non-removable nut terminal for standard ignition connections. This part cross-references NGK 4551 for the same application.

For shoppers comparing ignition service parts for small engine maintenance, Champion 828M provides a direct replacement-style solution. If you are sourcing a Champion spark plug for small engine equipment, the 828M part number helps narrow the search quickly. It is also listed with interchange references including QL77JC4, which can help confirm application matching during parts lookup.

Common Uses

  • Restoring weak or inconsistent spark output
  • Addressing fouling-related misfire conditions
  • Replacing worn electrodes during tune-up service
  • Improving ignition reliability in small engine operation
  • Supporting smoother starting and steady combustion

Installation Notes and Tips

Verify thread diameter, reach, seat type, and heat range before installation. Confirm the plug gap and torque specification against the equipment manufacturer’s service information. Check the ignition lead connection style, since this plug uses a non-removable nut terminal. For fitment-based searches, use the exact part number 828M and compare the plug type reference QL77JC4 when matching replacement applications.

Quality Assurance

Champion’s Copper Plus line is built around a copper core electrode for conductivity and heat control, with nickel electrode materials selected for dependable wear characteristics. That construction supports consistent ignition performance in small engine service and makes Champion 828M a practical replacement choice for maintenance and tune-up work.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4522Anchor — 3579Gates — 33828SNGK — 455133896329828BR9HSBR9HS10BZ7HS10QL77JC4