Autolite Racing Spark Plug, AR3933X
Autolite Racing Spark Plug, AR3933X
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Autolite

Autolite Racing Spark Plug, AR3933X

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Key item features

  • Included Plugs: This package contains four Autolite AR3910X spark plugs.
  • Precise Dimensions: Features a 14mm thread size, 1.25mm thread pitch, gasket seat type, and a 19mm (3/4") reach.
  • Hexagonal Size: Equipped with a 5/8" (16mm) hex size and a solid terminal type for secure fitment.
  • Enhanced Ignition: Incorporates a cut-back ground electrode design for improved ignitability during operation.
  • Advanced Material: Utilizes a new Yttrium-enhanced alloy, leading to an up to 8% reduction in sidewire temperature.
  • Racing Performance: Designed as a high-performance racing plug, favored by professional car drivers for demanding applications.
  • OE Alternative: Offers an alternative to original equipment spark plugs, providing OE form, fit, and function for various makes and models.
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Current price is $16.99$4.25/ea
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Showing 1-2 of 2 reviews

Nov 3, 2025
WalmartCustomer
1 out of 5 stars review

Verified Purchase

It was advertised as a box of 4, so I ordered two boxes, which I should have received eight spark plugs. I received two spark plugs. Not two boxes.

Incentivized Review
Helpful?648S8T5AYIMH179981948
Apr 4, 2020
Jonathan
1 out of 5 stars review

Verified Purchase

Scam

Shipped from a separate company. Only sent one spark plug not a pack of 4 as advertised. Walmart store would not accept return even though purchased from Walmart.com

Helpful?648S8T5AYIMH179981948