HomeIgnition > Secondary IgnitionNGK 91613 Spark Plug
Part #: 91613

NGK 91613 Spark Plug

Laser Iridium Spark Plug
⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$20.74Free 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
📦Laser Iridium Spark Plug
🚗Fitment: Chevrolet, Impala
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
NGK 91613 Spark Plug
BrandNGK
Part Number91613
PositionLaser Iridium Spark Plug
Resistance5000.0
Ground Electrode Tip DesignStandard
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.036
Pre-Gap Size0.9
Ground Electrode Quantity1
Hex Size5/8" (16mm)
Insulator Height2.07
Insulator Height52.5
Manufacturer Heat Range7
Seat TypeTapered
Reach0.984
Reach25.0
Insulator MaterialCeramic
Resistor TypeYes
Skirt Length0.0
Thread SizeM14 - 1.25
Ground Electrode Tip MaterialPlatinum
SkirtNo
Center Electrode Insulator Tip Projection0.14
Center Electrode Insulator Tip Projection3.5
Center Electrode DesignFine wire
9805Mid projection

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017ChevroletImpala3.6LV6BI-FUELN/A100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2016ChevroletImpala3.6LV6BI-FUELN/A100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2015ChevroletImpala3.6LV6BI-FUELN/A100,000 mi OE Mfr Recommended Service Interval; Laser Iridium 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:

41-1329161392457960ILTR7E9D

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