Home / 6 Pack NGK Iridium IX Spark Plugs 1999-2012 for Chevrolet Silverado 1500 V6 4.3L
6 Pack NGK Iridium IX Spark Plugs 1999-2012 for Chevrolet Silverado 1500 V6 4.3L
$91.77
Free shipping on all orders.
Qty In Stock: 20
The NGK Iridium IX 7164 Spark Plug (TR55IX) features an ultra-fine iridium center electrode for superior ignitability, faster starts, and enhanced throttle response. Built to withstand extreme conditions, it’s ideal for performance-focused street and off-road vehicles.
Features & Benefits:
🔧 Iridium tip offers high durability and long service life
🔧 Tapered ground electrode reduces quenching for stronger sparks
🔧 Trivalent metal plating protects against corrosion and seizing
🔧 Designed to resist fouling and provide consistent combustion
Specifications:
Brand & Part Number: NGK 7164 TR55IX
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in.)
Hex Size: 5/8 in. (16mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.044 in. (1.1mm)
Upgrade to NGK Iridium IX for maximum performance, ignition stability, and long-lasting power—order today!
Vehicle Compatibility (14 applications)
Part reference: 7164, SIL1, 99-12
| Year | Make | Model | Trim / Engine |
|---|---|---|---|
| 1999 | Chevrolet | Silverado 1500 | 4.3L |
| 2000 | Chevrolet | Silverado 1500 | 4.3L |
| 2001 | Chevrolet | Silverado 1500 | 4.3L |
| 2002 | Chevrolet | Silverado 1500 | 4.3L |
| 2003 | Chevrolet | Silverado 1500 | 4.3L |
| 2004 | Chevrolet | Silverado 1500 | 4.3L |
| 2005 | Chevrolet | Silverado 1500 | 4.3L |
| 2006 | Chevrolet | Silverado 1500 | 4.3L |
| 2007 | Chevrolet | Silverado 1500 | 4.3L |
| 2008 | Chevrolet | Silverado 1500 | 4.3L |
| 2009 | Chevrolet | Silverado 1500 | 4.3L |
| 2010 | Chevrolet | Silverado 1500 | 4.3L |
| 2011 | Chevrolet | Silverado 1500 | 4.3L |
| 2012 | Chevrolet | Silverado 1500 | 4.3L |
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.
