Xtreme Sport Spark Plug
Hover over the image to zoom in
Share this:

Autolite Xtreme Sport Spark Plug

Part No. XS3924DP Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Autolite Xtreme Sport small engine spark plugs are engineered to provide better overall ignitability for optimum performance, reduced fouling and longer life* for all your Xtreme Sport needs.

Product Features:
  • 0.6mm finewire design with Sport V-trim ground electrode for more horsepower than standard plug
  • Up to 26% quicker engine starts than a standard non-finewire spark plug
  • Focused ignition prevents fouling better than leading standard plug for reliable starting in any season or weather
  • Meets or exceeds OE specifications
Back To Top
Electrode Tip Material:Xtreme Sport
Reach:3/4 in
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:Power
Wrench Diameter:5/8 in


by PowerReviews
AutoliteXtreme Sport Spark Plug

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top

(2 of 2 customers found this review helpful)


Great plug


from Hagerstown, Md.

About Me Auto Enthusiast

See all my reviews

Ask me a question

Verified Buyer
3 or more reviews submitted


  • Improves Engine Efficiency
  • Increases Power


    Best Uses

    • Replacement

    Comments about Autolite Xtreme Sport Spark Plug:

    I used this in an ATV

    Comment on this reviewHelp Icon

    Check out the specials in our monthly flyer.
    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.