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NGK 91164 Spark PlugOE Quality 60-Day Returns
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Part #: 91164

NGK 91164 Spark Plug

Iridium IX Spark Plug
⚙️ 22 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
$16.01Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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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: Ford, EcoSport, Escape, Fiesta, Focus, and Fusion
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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NGK 91164 Spark Plug
BrandNGK
Part Number91164
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 Length0.118
Skirt Length3.0
Thread SizeM12 - 1.25
Ground Electrode Tip MaterialPlatinum
SkirtYes
Center Electrode Insulator Tip Projection0.12
Center Electrode Insulator Tip Projection3.0
Center Electrode DesignFine wire

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021FordEcoSport1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2020FordEcoSport1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2020FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2019FordEcoSport1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2019FordEscape1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2019FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2018FordEcoSport1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2018FordEscape1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2018FordFocus1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2018FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2017FordEscape1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2017FordFiesta1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2017FordFocus1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2017FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2016FordFiesta1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2016FordFocus1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2016FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2015FordFiesta1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2015FordFocus1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2015FordFusion1.5LL4N/AGap 0.028"; Iridium IX Spark Plug
2014FordFiesta1.0LL3N/AGap 0.028"; Iridium IX Spark Plug
2014FordFusion1.5LL4N/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:

91164LZNAR8AIX-P

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

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