Champion Spark Plug Spark Plug P/N:406

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$24.99

MPN: 406

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Champion Spark Plug Spark Plug P/N:406

$24.99

Description

Keep every cylinder firing cleanly with the Champion Spark Plug (P/N 406). It drops in as a direct-fit replacement across a broad range of applications, including the 1975-1976 Bricklin SV-1, the 1980-1985 Buick Skylark, the 1987-1995 Chevrolet Astro, the 1982-1985 and 1988-1989 Chevrolet Camaro, and the 1979-1987 Chevrolet Chevette — 164 applications in all, so see the Buyer's Guide tab for the full list.

A spark plug delivers the high-voltage spark that ignites the compressed air-fuel mixture in the combustion chamber. As plugs wear or foul over time, ignition can become inconsistent, which is why they're a routine tune-up replacement.

Core job: provides the ignition spark for its cylinder to help maintain smooth, consistent firing.
Signs this plug may need replacing: rough idle, engine misfire, hard starting, hesitation, or reduced fuel economy — if a worn or fouled plug is the cause.
Service tip: replace the plugs as a complete set so every cylinder fires evenly; consult the vehicle service information for the correct gap and torque.

Manufacturer part number 406.

Manufacturer's Description

Product Specs

Buyer's Guide

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Frequently Asked Questions

What does the Champion 406 spark plug do?

It delivers the high-voltage spark that ignites the compressed air-fuel mixture in its cylinder, helping maintain smooth, consistent engine firing.

Which vehicles does P/N 406 fit?

It fits 164 applications, including the 1975-1976 Bricklin SV-1, 1980-1985 Buick Skylark, 1987-1995 Chevrolet Astro, and 1979-1987 Chevrolet Chevette. See the Buyer's Guide tab for the complete list.

How do I know when my spark plugs need replacing?

Rough idle, misfire, hard starting, hesitation, or reduced fuel economy can be signs a plug is worn or fouled. Diagnose the cause first, since these symptoms can have other sources.

Should I replace all the spark plugs at once?

It's best to replace all of the plugs as a complete set so every cylinder fires evenly and consistently rather than mixing new and worn plugs.

What gap and torque should I use?

Consult the vehicle service information for the correct spark plug gap and installation torque for your specific engine before installing.