Home / 4 Pack Autolite APP3926 Double Platinum Spark Plugs
4 Pack Autolite APP3926 Double Platinum Spark Plugs
$40.77
Free shipping on all orders.
Qty In Stock: 20
The Autolite APP3926 Double Platinum Spark Plugs offer long-lasting ignition performance and enhanced combustion efficiency. Designed for reliability, they help reduce misfires and improve fuel economy.
Features & Benefits:🔧 Dual platinum electrodes resist wear and erosion 🔧 Maintains precise gap for consistent ignition 🔧 Enhances throttle response and cold starts 🔧 Reduces engine misfires and boosts efficiency
Specifications:Brand & Part Number: Autolite APP3926 Material: Double Platinum Thread Size: 14mm Reach: 19mm (0.75 in.) Hex Size: 5/8 in. (16mm) Seat Type: Gasket Resistor: Yes Gap: 0.040 in. (1.0mm)
Upgrade your ignition system—buy 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.
