CHAMPION 409

CHAMPION part number 409 is a spark plug in the Ignition system. This catalog matches it to 9 year-and-engine configurations from 1964 to 1973.

Verified fitment includes 1973 Ac 428 7.0L V8 ; 1972 Ac 428 7.0L V8 ; 1971 Ac 428 7.0L V8 ; 1970 Ac 428 7.0L V8 ; 1969 Ac 428 7.0L V8 , plus 4 other configurations. See every vehicle this part fits.

Manufacturer specifications
Copper PlusPre-Set Gap: 0.035"
OE-Recommended Gap: 0.035"
Application data published for:
🇺🇸 US

Frequently Asked Questions

What is CHAMPION 409?

CHAMPION part number 409 is a spark plug with published application data for 9 vehicle configurations from 1964 to 1973. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does CHAMPION 409 fit?

This catalog matches 409 to 9 year-and-engine configurations from 1964 to 1973. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is CHAMPION 409 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. CHAMPION 409 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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