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NGK 91768 Spark PlugOE Quality 60-Day Returns
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Part #: 91768

NGK 91768 Spark Plug

Iridium IX Spark Plug
⚙️ 69 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Iridium IX Spark Plug
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, Acadia, ATS, Blazer, Camaro, Canyon, Colorado, CT6, CTS, LaCrosse, Regal Sportback, XT5, and XT6
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NGK 91768 Spark Plug
BrandNGK
Part Number91768
PositionIridium IX Spark Plug
Resistance5000.0
Ground Electrode Tip DesignTaper cut
Ground ConfigurationJ-gap
11589Metric
Ground Electrode Core MaterialNickel
Washer IncludedNo
Grade TypePerformance
Electrical Terminal TypeNon-removable nut
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Pre-Gap Size.028
Pre-Gap Size0.7
Ground Electrode Quantity1
Hex Size14mm
Insulator Height2.07
Insulator Height52.5
Manufacturer Heat Range7
Seat TypeTapered
Reach0.984
Reach25.0
Insulator MaterialCeramic
Resistor TypeYes
Skirt Length0.0
Thread SizeM12 - 1.25
Ground Electrode Tip MaterialNickel
SkirtNo
Center Electrode Insulator Tip Projection0.12
Center Electrode Insulator Tip Projection3.0
Center Electrode DesignFine wire
9805Mid projection

This part fits 69 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025CadillacXT52.0LL4N/AGap 0.030"; Iridium IX Spark Plug
2025CadillacXT62.0LL4N/AGap 0.030"; Iridium IX Spark Plug
2025ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2024CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2024CadillacXT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2024ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2024ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2023CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2023CadillacXT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2023ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2023ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2023GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022CadillacXT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2022GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021CadillacXT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2021GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020BuickRegal Sportback3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020CadillacCT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020CadillacXT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2020GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019BuickLaCrosse3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019BuickRegal Sportback3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019CadillacATS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019CadillacCT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019CadillacCTS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019ChevroletBlazer3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2019GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018BuickLaCrosse3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018BuickRegal Sportback3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018CadillacATS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018CadillacCT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018CadillacCTS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2018GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017BuickLaCrosse3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017CadillacATS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017CadillacCT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017CadillacCTS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017CadillacXT53.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017ChevroletColorado3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017GMCAcadia3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2017GMCCanyon3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2016CadillacATS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2016CadillacCT63.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2016CadillacCTS3.6LV6N/AGap 0.036"; Iridium IX Spark Plug
2016ChevroletCamaro3.6LV6N/AGap 0.036"; Iridium IX Spark Plug

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

91768LNAR7AIX

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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