Autolite

4173

Autolite 4173 Copper Non-Resistor Spark Plug

EAN: 0009100255211

UPC: 009100255211

Spark Plugs

Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
Multi-rib insulator reduces danger of "flash-over"
Resistor reduces radio frequency interference (RFI) and electrode erosion
Full copper core electrode provides better performance in all conditions

Autolite Copper Core spark plugs deliver quick starts, good fuel economy, and smooth acceleration. The copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap, creating a gas-tight seal that is 100 percent leak-proof. Copper Core spark plugs feature a cold-formed steel shell and precision rolled threads, and a one-piece terminal post that adds strength. The multi-rib insulator reduces the danger of "flash-over" to prevent misfires, and the resistor reduces radio frequency interference (RFI) and electrode erosion. The full copper core electrode provides better performance in all conditions. Autolite Copper Core plugs are your industry standard.

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