Home / NGK 4786 Spark Plug LKAR8A-9 - 1 Pack
NGK 4786 Spark Plug LKAR8A-9 - 1 Pack
$23.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 4786 Spark Plug (LKAR8A-9) is a high-quality OE replacement designed for modern engines requiring precise ignition and long-term reliability. Built with a solid copper core and nickel alloy electrode, it delivers excellent heat dissipation, consistent combustion, and smooth engine performance—ideal for automotive and powersport applications.
Features & Benefits:
🔧 Copper core ensures strong spark and thermal conductivity
🔧 Nickel alloy electrode resists fouling and wear
🔧 OE-style fit for fast and accurate installation
🔧 Pre-gapped at 0.9mm for optimized ignition
Specifications:
Brand & Part Number: NGK 4786 (LKAR8A-9)
Material: Nickel with Copper Core
Thread Size: 12mm
Reach: 26.5mm (1.04 in)
Hex Size: 5/8 in (16mm)
Heat Range: 8
Seat Type: Gasket
Resistor: Yes
Gap: 0.9mm (0.035 in)
Choose NGK LKAR8A-9 for consistent performance, efficient combustion, and long-lasting ignition reliability—order now!
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.
