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AUTOLITE XS4063

Verified fitment Spark Plug · Iridium (lasts up to 4x longer than Copper / Nickel) · Fits 7 Configurations

AUTOLITE part number XS4063 is a spark plug in the Ignition system. This catalog matches it to 7 year-and-engine configurations from 1966 to 1984.

Verified fitment includes 1984 Lamborghini Countach 4.8L V12 ; 1982 Lamborghini Countach 3.9L V12 ; 1981 Lamborghini Countach 3.9L V12 ; 1976 Lamborghini Silhouette 3.0L V8 ; 1974 Lamborghini Countach 3.9L V12 , plus 2 other configurations. See every vehicle this part fits.

Manufacturer specifications
Xtreme Sport Spark PlugManufacturer Heat Range: 14Designed for Motorcycles, ATV's, Personal Watercraft (Jet Skis), Boats, and Snowmobiles
Machined Fine WireOriginal Center Electrode Material is Copper/Nickel
Application data published for:
🇺🇸 US
View on Amazon View compatible vehicles (7) →

Frequently Asked Questions

What is AUTOLITE XS4063?

AUTOLITE part number XS4063 is a spark plug with published application data for 7 vehicle configurations from 1966 to 1984. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does AUTOLITE XS4063 fit?

This catalog matches XS4063 to 7 year-and-engine configurations from 1966 to 1984. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is AUTOLITE XS4063 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. AUTOLITE XS4063 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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