NGK Iridium IX Spark Plug CADILLAC XTS

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Part #: LTR7IX-11
Notes: Iridium IX Spark Plug
MSRP: $20.43
Your Price: $15.72


Center Electrode Core Material Copper Core
Center Electrode Tip Material Iridium
Gap Size 0.044
Ground Configuration Standard
Ground Electrode Core Material Nickel Core
Ground Electrode Quantity 1
Ground Electrode Tip Design Taper Cut
Hex Size 5/8in
Insulator Height 53.00
Insulator Height ISO
Manufacturer Heat Range 7
Reach 25.00
Reach 25mm
Resistance 5K Ohm
Seat Type Tapered
Thread Diameter 14
Thread Diameter 0.551

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2014 - 2016 CTS ALL V6 3.6 T ALL ALL
2014 - 2015 XTS ALL V6 3.6 T ALL ALL

Product Description

Designed specifically for the performance enthusiast, NGK Iridium IX plugs offer super-efficient ignition, improved throttle response, and superior anti-fouling.


  • Fine Iridium tip ensures longevity.
  • Iridium alloy has an extremely high melting point, perfect for today’s high-tech performance engines.
  • “Trivalent Metal Plating” provides superior anti-corrosion and anti-seizing properties.
  • Outstanding acceleration, fuel efficiency, and durability.

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