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NGK 94631 Spark PlugOE Quality 60-Day Returns
Part #: 94631

NGK 94631 Spark Plug

Iridium IX Spark Plug
30 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$20.60Free 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.
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: Lexus, GS200t, GS300, IS200t, IS300, NX200t, NX300, RC200t, and RC300
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 94631 Spark Plug
BrandNGK
Part Number94631
PositionIridium IX Spark Plug
Resistance5000.0
Ground Electrode Tip DesignTaper cut
Ground ConfigurationJ-gap
11589Metric
Ground Electrode Core MaterialNickel
Washer IncludedYes
Grade TypePerformance
Electrical Terminal TypeNon-removable nut
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Pre-Gap Size.032
Pre-Gap Size0.8
Ground Electrode Quantity1
Hex Size5/8" (16mm)
Insulator Height1.99
Insulator Height50.5
Manufacturer Heat Range7
Seat TypeFlat
Reach1.043
Reach26.5
Insulator MaterialCeramic
Resistor TypeYes
Skirt Length0.0
Thread SizeM14 - 1.25
Ground Electrode Tip MaterialPlatinum
SkirtNo
Center Electrode DesignFine wire
9745Crush
MetallurgyIridium platinum
Part NumberLfr7aix-pg

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2024LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2024LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2023LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2023LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2022LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2022LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2021LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2021LexusNX3002.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2021LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2020LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2020LexusNX3002.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2020LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2019LexusGS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2019LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2019LexusNX3002.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2019LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2018LexusGS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2018LexusIS3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2018LexusNX3002.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2018LexusRC3002.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2017LexusGS200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2017LexusIS200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2017LexusNX200t2.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2017LexusRC200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2016LexusGS200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2016LexusIS200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2016LexusNX200t2.0LL4GASN/AGap 0.036"; Iridium IX Spark Plug
2016LexusRC200t2.0LL4N/AGap 0.036"; Iridium IX Spark Plug
2015LexusNX200t2.0LL4GASN/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:

90919-01276909190127694631LFR7AIX-PG

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

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