AUTOLITE XP25

AUTOLITE part number XP25 is a spark plug in the Ignition system. This catalog matches it to 13 year-and-engine configurations from 1974 to 1996.

Verified fitment includes 1996 Hummer H1 5.7L V8 ; 1991 Avanti Ii 5.0L V8 ; 1990 Avanti Ii 5.0L 305cid V8 ; 1989 Avanti Ii 5.0L 305cid V8 ; 1988 Avanti Ii 5.0L 305cid V8 , plus 8 other configurations. See every vehicle this part fits.

Manufacturer specifications
Display PackQTY2Iridium XPPre-Set Gap: 0.044"
Gap .045 (In) 1.1 (mm)
Application data published for:
🇺🇸 US

Frequently Asked Questions

What is AUTOLITE XP25?

AUTOLITE part number XP25 is a spark plug with published application data for 13 vehicle configurations from 1974 to 1996. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does AUTOLITE XP25 fit?

This catalog matches XP25 to 13 year-and-engine configurations from 1974 to 1996. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is AUTOLITE XP25 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. AUTOLITE XP25 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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