Champion 844-1 Spark Plug

Champion Copper Plus 844-1 Spark Plug

Champion Copper Plus 844-1 is a standard replacement spark plug built for dependable ignition performance in small-engine and classic vehicle applications. Its copper core electrode improves conductivity and heat control, while nickel-based electrode materials support consistent wear characteristics.

Key Features

• Copper core electrode for improved conductivity and heat management
• Nickel center and ground electrode materials
• Standard replacement grade for direct-service applications
• Pre-gapped to 0.030 in. / 0.78 mm
• Flat seat design with washer included
• Non-removable nut terminal and hex design for conventional ignition setups
• Champion Copper Plus small engine classification

Product Details

The Champion Copper Plus line focuses on practical ignition service with a copper core that helps transfer heat efficiently and maintain stable spark plug operation. Part number 844-1 uses a standard center electrode design, a 14 mm thread diameter, 0.438 in. reach, and a 10 heat range. It is a direct-fit style spark plug for applications that call for the H10C plug type. This part cross-references H10C for the same application. For buyers searching for a Champion 844-1 spark plug for Ford F-100, Ford F-250, Ford F-350, Lincoln Continental, or Lincoln Zephyr, this plug matches the listed service requirements for those vehicles.

Common Uses

• Hard starting caused by worn or fouled spark plugs
• Misfire from weak or inconsistent spark delivery
• Rough idle in older ignition systems
• Reduced combustion efficiency from aged plugs
• Routine tune-up replacement on classic Ford and Lincoln applications

Installation Notes

Verify the plug type, thread diameter, reach, seat style, and heat range before installation. The pre-gap is set to 0.030 in. / 0.78 mm, but final gap should always be checked against the engine specification. Use the correct torque procedure for flat-seat spark plugs with a washer, and confirm terminal style and hex size match the ignition lead and service tool requirements. Fits 1953-1954 Ford F-100, N/A. Fits 1953-1954 Ford F-250, N/A. Fits 1953-1954 Ford F-350, N/A. Fits 1945 Lincoln Continental, N/A. Fits 1940-1942 Lincoln Continental, N/A. Fits 1936-1942 Lincoln Zephyr, N/A.

Quality Assurance

Champion Copper Plus spark plugs are built around a copper core electrode for controlled heat transfer and dependable service characteristics. Part number 844-1 is manufactured as a standard replacement plug for applications that specify the H10C design.