Description

Spark Plug – 14 mm Thread – 0.750 in Reach – Gasket Seat – Resistor – Each

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “AUTOLITE Spark Plug AR3923”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    POWERMASTER Inner Starter Shim For 624

    SKU: PWM624
    Product information
    • Weight0.01 lbs
    • Dimensions3.45 × 3.1 × 0.45 in
    • Quantity

      Each

    • Material

      Aluminum

    • Finish

      Natural

    • Color

      Natural

    • Intended Purpose

      Starter Shim

    Details...
    Original price was: $8.90.Current price is: $8.09.Add to cart
    Original price was: $8.90.Current price is: $8.09.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION 0-11 Degree Retard Module Selector 8676

    SKU: MSD8676
    Product information
    • Weight0.35 lbs
    • Dimensions7.95 × 6.05 × 2.25 in
    • Style

      Retard Module Selector

    • Adjustable

      Yes

    • Adjustment Method

      Rotary Dial

    • Degree Minimum

      0 Degree

    • Degree Maximum

      11 Degree

    Details...
    Original price was: $179.00.Current price is: $161.95.Add to cart
    Original price was: $179.00.Current price is: $161.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E251K30

    SKU: SEAE251K30
    Product information
    • Weight1.085 lbs
    • Dimensions5.1 × 5.05 × 3.25 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings155

    • Variant Column

      Bore (standard)

    • Product Line

      Performance

    Details...
    Original price was: $51.83.Current price is: $47.12.Add to cart
    Original price was: $51.83.Current price is: $47.12.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E251K60

    SKU: SEAE251K60
    Product information
    • Weight1.103 lbs
    • Dimensions5 × 5 × 3.2 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings155

    • Variant Column

      Bore (standard)

    • Product Line

      Performance

    Details...
    Original price was: $50.95.Current price is: $46.32.Add to cart
    Original price was: $50.95.Current price is: $46.32.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E261K

    SKU: SEAE261K
    Product information
    • Weight1.125 lbs
    • Dimensions5.2 × 5 × 3.25 in
    • Quantity

      Kit

    • Variant

      Yes

    • Variant Group

      Piston Rings157

    • Variant Column

      Bore (standard)

    • Product Line

      Performance

    Details...
    Original price was: $136.42.Current price is: $124.02.Add to cart
    Original price was: $136.42.Current price is: $124.02.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SIMPSON SAFETY Shield Amber Devil Ray / DR2 84304A

    SKU: SIM84304A
    Product information
    • Weight0.275 lbs
    • Dimensions10.65 × 7.5 × 4.55 in
    • Color

      Amber

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      HelmetShields18

    • Variant Column

      Manufacturer Color

    Details...
    Original price was: $35.00.Current price is: $30.99.Add to cart
    Original price was: $35.00.Current price is: $30.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSKY LINERS Ventvisor Low Pro 2854075

    SKU: HSK2854075
    Product information
    • Weight3.36 lbs
    • Dimensions46.88 × 11.88 × 1.88 in
    • Product Line

      Low Profile Ventvisor

    • Application Specific

      Yes

    • Material

      Plastic

    • Color

      Smoke

    • Finish

      Natural

    Details...
    Original price was: $99.00.Current price is: $89.99.Add to cart
    Original price was: $99.00.Current price is: $89.99.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWARDS RACING COMPONENTS Solid Roller Lifters – SBC Vertical Style 91132

    SKU: HRC91132
    Product information
    • Weight4.03 lbs
    • Dimensions8.6 × 3.4 × 3.3 in
    • Product Line

      SportMax Lite Direct Lube

    • Material

      Chromoly

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Set of 16

    Details...
    Original price was: $709.71.Current price is: $645.19.Add to cart
    Original price was: $709.71.Current price is: $645.19.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Regulator Diaphram 12-752

    SKU: HLY12-752
    Product information
    Details...
    Original price was: $47.00.Current price is: $42.47.Add to cart
    Original price was: $47.00.Current price is: $42.47.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Control Arm Lower Inner Bushing W53377A

    SKU: WHIW53377A
    Product information
    • Weight4.351 lbs
    • Dimensions9 × 8 × 3.5 in
    • Quantity

      Kit

    • Upper / Lower Position

      Lower

    • Front / Rear Position

      Front / Rear

    • Outer Shell Included

      Yes

    • Inner Sleeve Included

      Yes

    Details...
    Original price was: $149.86.Current price is: $124.88.Add to cart
    Original price was: $149.86.Current price is: $124.88.Add to wishlist

    57