HomeIgnition > Secondary IgnitionAutolite 258 Spark Plug
Part #: 258

Autolite 258 Spark Plug

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.27Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Autolite 258 Spark Plug
BrandAutolite
Part Number258
Resistance1
Ground Electrode Tip DesignTapered
Ground Electrode Core MaterialNickel
Electrical Terminal TypeStud
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Pre-Gap Size0.025
Pre-Gap Size0.60
Ground Electrode Quantity1
Hex Size19
Hex Size3/4"
Seat TypeFlat
Reach0.374
Reach9.5
Thread Diameter14.0
Resistor TypeNo
Center Electrode DesignStandard / regular
Ground Electrode Tip MaterialNickel
Insulator MaterialCeramic
Insulator TypeShort

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

56287542

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.