Home / 4 Pack NGK Iridium IX Spark Plugs 2007-2009 for Mazda CX-7 2.3L L4
4 Pack NGK Iridium IX Spark Plugs 2007-2009 for Mazda CX-7 2.3L L4
$63.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 6509 Iridium IX Spark Plug (LTR6IX-11) is designed for high-performance ignition, superior durability, and improved throttle response in modern engines. Featuring an ultra-fine iridium center electrode and a tapered ground electrode, it ensures efficient combustion, reduced misfires, and long-lasting reliability under demanding conditions.
Features & Benefits:
🔧 Iridium center electrode delivers long life and stable spark
🔧 Tapered ground electrode enhances flame propagation
🔧 Fine-wire design improves ignitability and acceleration
🔧 Pre-gapped at 1.1mm for fast, OE-style installation
Specifications:
Brand & Part Number: NGK 6509 (LTR6IX-11)
Material: Iridium
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)
Choose NGK LTR6IX-11 Iridium IX for powerful ignition, long service life, and dependable performance in today’s advanced engines—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.
