Home / 8 Pack NGK Iridium IX 4469 Spark Plugs LFR5AIX-11
8 Pack NGK Iridium IX 4469 Spark Plugs LFR5AIX-11
$97.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 4469 Iridium IX Spark Plug (LFR5AIX-11) is built for high-performance ignition with maximum durability and combustion efficiency. Featuring an ultra-fine iridium center electrode and a tapered ground electrode, it delivers quicker starts, improved throttle response, and longer plug life—perfect for modern engines and performance applications.
Features & Benefits:
🔧 Iridium tip ensures stable spark and extended wear resistance
🔧 Fine-wire design improves ignitability and fuel burn
🔧 Reduces misfires and resists fouling under load
🔧 Pre-gapped at 1.1mm for easy, OE-spec installation
Specifications:
Brand & Part Number: NGK 4469 (LFR5AIX-11)
Material: Iridium
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 5
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)
Upgrade to NGK LFR5AIX-11 Iridium IX for reliable high-performance ignition, better fuel economy, and longer plug life—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.
