{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

NGK®
SET-NG91784-6 Ruthenium HX Series Spark Plug, Set of 6

Tap image and pinch to zoom.
$66.49
OR
Manufacturer #SET-NG91784-6
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Included in This Kit

Qty
Part
Brand
Location
Replaces OE Number
Spark Plug
NGK
-
-

Highlights

Part:
Spark Plug
Brand:
NGK
Series:
Ruthenium HX Series
Electrode Tip Material:
Ruthenium Electrode Tip
Replaces OE Number:
91784, 22401JF01D
Quantity Sold:
Set of 6
Warranty:
60-day NGK limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material:
Copper Electrode Core
Gap Size:
0.03 in.
Heat Range:
8
Interchange Part Number:
91784, 22401JF01D
Reach:
26.5 mm Reach
Thread Size:
12 mm Thread Size

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2008-2013 Infiniti G37
Base
6 Cyl 3.7L
Gap 0.044in
2008-2013 Infiniti G37
Journey
6 Cyl 3.7L
Gap 0.044in
2008-2013 Infiniti G37
Sport
6 Cyl 3.7L
Gap 0.044in
2009-2010 Nissan GT-R
Base
6 Cyl 3.8L
Gap 0.032in
2009-2013 Infiniti G37
X
6 Cyl 3.7L
Gap 0.044in
Page 1 of 12 | Showing 1 - 5 of 58 results

Product Information

NGK RUTHENIUM HX SPARK PLUG

Constructed with the most advanced technology, NGK Ruthenium HX spark plug delivers high-ignitibility, better efficiency and superior power to maximize the performance of your engine. It withstands high temperatures in various driving conditions and provides more complete fuel burn than other metal spark plugs.

  • Offers superior corrosion resistance
  • Features improved blistering/anti-peeling
  • Patented ruthenium technology allows maximum durability and performance
  • Available in DFE (double fine electrode) or PSPE (projected square platinum electrode) tip design
  • Manufactured in high-class facility that meets stringent ISO standards
  • Guaranteed stable during combustion and engine operation

NGK Spark Plugs is a worldwide leader of innovative, world-class quality spark plugs and oxygen sensors in the automotive industry.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
Hey can it fit 2011 g37x coupe?EmmanuelMay 14, 2024
Best Answer:Hi Emmanuel, Thanks for initiating contact. Yes, this set of spark plugs is guaranteed to fit the 2011 Infiniti G37 X 6 Cyl 3.7L, gap 0.044 inch. Use the link below to order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. I hope this helps and enjoy shopping! <a href="https://www.carparts.com/spark-plug/ngk/set-ng91784-6?can=CPGG4850_CSQA_20240514" target="_blank">https://www.carparts.com/spark-plug/ngk/set-ng91784-6?can=CPGG4850_CSQA_20240514</a>
Grace G.STAFFMay 14, 2024

Customer Reviews

Ruthenium Hx Series Spark Plug, Set Of 6
Work great.
Esther R.
VERIFIED PURCHASER
Purchased on Sep 08, 2023