Home / 4 Pack NGK Iridium IX 97138 Spark Plugs ZFR6AIX-11S
4 Pack NGK Iridium IX 97138 Spark Plugs ZFR6AIX-11S
$63.77
Free shipping on all orders.
Qty In Stock: 20
The NGK Iridium IX 97138 Spark Plug (ZFR6AIX-11S) features a fine-wire iridium center electrode for exceptional ignitability, faster starts, and reliable performance in high-efficiency and high-compression engines.
Features & Benefits:
🔧 Iridium tip provides superior durability and spark stability
🔧 Tapered ground electrode enhances flame propagation
🔧 Trivalent plating resists corrosion and thread seizing
🔧 Designed to meet or exceed OE performance standards
Specifications:
Brand & Part Number: NGK 97138 ZFR6AIX-11S
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in.)
Hex Size: 13/16 in. (20.6mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.044 in. (1.1mm)
Install NGK ZFR6AIX-11S for high-performance ignition, fuel savings, and long-lasting engine efficiency—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.
Customer Reviews
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Order delivered on time with no issues
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