Home / Autolite 3924 Copper Core Spark Plugs - 4 Pack
Autolite 3924 Copper Core Spark Plugs - 4 Pack
$21.77
Free shipping on all orders.
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The Autolite 3924 Copper Core Spark Plugs 4 Pack is designed to deliver reliable ignition, enhanced engine performance, and consistent durability for automotive applications. Built with Autolite's trusted engineering, these spark plugs provide efficient combustion and dependable starts for a variety of vehicles.
Features & Benefits:
🔧 Includes 4 Autolite 3924 copper core spark plugs for convenient replacement
🔧 Reliable spark output ensures smooth engine operation and quick starts
🔧 Copper core design enhances heat dissipation for improved performance
🔧 Engineered for long-lasting durability and resistance to fouling
Specifications:
Brand & Part Number: Autolite 3924
Quantity: 4 Pack
Plug Type: Copper Core Spark Plug
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 5/8 in (16mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Choose Autolite 3924 spark plugs for dependable ignition performance, enhanced engine efficiency, and trusted quality—order this 4 pack today!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
