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NGK 97977 Spark PlugOE Quality 60-Day Returns
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Part #: 97977

NGK 97977 Spark Plug

Iridium IX Spark Plug
⚙️ 57 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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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Iridium IX Spark Plug
🚗Fitment: Buick, Chevrolet, and GMC, Cascada, Cruze, Encore, Encore GX, Envista, Equinox, Malibu, Terrain, Trailblazer, and Trax
🔄Easy Returns — Return within 60 days for a full refund
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NGK 97977 Spark Plug
BrandNGK
Part Number97977
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 Range8
Seat TypeTapered
Reach0.984
Reach25.0
Insulator MaterialCeramic
Resistor TypeYes
Skirt Length0.0
Thread SizeM12 - 1.25
Ground Electrode Tip MaterialPlatinum
SkirtNo
Center Electrode Insulator Tip Projection0.12
Center Electrode Insulator Tip Projection3.0
Center Electrode DesignFine wire
9805Mid projection

This part fits 57 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2025BuickEnvista1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2025ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2025ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2025ChevroletTrailblazer1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2025ChevroletTrax1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2025GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2024BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2024BuickEnvista1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2024ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2024ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2024ChevroletTrailblazer1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2024ChevroletTrax1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2024GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2023BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2023ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2023ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2023ChevroletTrailblazer1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2023GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2022BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2022BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2022ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2022ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2022ChevroletTrailblazer1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2022ChevroletTrax1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2022GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2021BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2021BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2021ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2021ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2021ChevroletTrailblazer1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2021ChevroletTrax1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2021GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2020BuickEncore GX1.2LL3N/AGap 0.028"; Iridium IX Spark Plug
2020ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2020ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2020GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2019BuickCascada1.6LL4N/AGap 0.028"; Iridium IX Spark Plug
2019BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2019ChevroletCruze1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2019ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2019ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2019GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2018BuickCascada1.6LL4N/AGap 0.028"; Iridium IX Spark Plug
2018BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2018ChevroletCruze1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2018ChevroletEquinox1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2018ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2018GMCTerrain1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2017BuickCascada1.6LL4N/AGap 0.028"; Iridium IX Spark Plug
2017BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2017ChevroletCruze1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2017ChevroletMalibu1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2016BuickCascada1.6LL4N/AGap 0.028"; Iridium IX Spark Plug
2016BuickEncore1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2016ChevroletCruze1.4LL4N/AGap 0.028"; Iridium IX Spark Plug
2016ChevroletMalibu1.5LL4N/AGap 0.028"; 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:

97977LNAR8AIX-P

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

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