{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 Chevrolet Avalanche 1500
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit2003 Chevrolet Avalanche 1500 Change Vehicle

Denso®
2003 Chevrolet Avalanche 1500 - Iridium Power Series Spark Plug, Sold individually

Tap image and pinch to zoom.
$13.99
$15.44Save: $1.45(9%)
Manufacturer #5325
Guaranteed to Fit2003 Chevrolet Avalanche 1500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 Chevrolet Avalanche 1500
On Road Edition
8 Cyl 5.3L
-
2003 Chevrolet Avalanche 1500
Z71
8 Cyl 5.3L
-
2003 Chevrolet Avalanche 1500
Base
8 Cyl 5.3L
-
2003 Chevrolet Avalanche 1500
North Face
8 Cyl 5.3L
-
2003 Chevrolet Avalanche 1500
WBH
8 Cyl 5.3L
-

Highlights

Part:
Spark Plug
Brand:
Denso
Notes:
5/8 in. hex size; Removable nut terminal type; Tapered seat style; Machine rolled threads; 0.4 mm center electrode; Iridium power electrode configuration
Series:
Iridium Power Series
Spark Plug Code:
IT16
Quantity Sold:
Sold individually
Warranty:
1-year Denso 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:
1.1 mm
Heat Range:
16
Reach:
18 mm Reach
Thread Size:
14 mm thread size

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1974 Ford Mustang II
2+2
4 Cyl 2.3L
-
1974 Ford Mustang II
Mach 1
4 Cyl 2.3L
-
1974-1978 Ford Mustang II
Base
4 Cyl 2.3L
-
1974-1978 Ford Mustang II
Ghia
4 Cyl 2.3L
-
1974-1980 Ford Pinto
Base
4 Cyl 2.3L
-
Page 1 of 391 | Showing 1 - 5 of 1954 results

Product Information

DENSO PREMIUM CLASS IRIDIUM POWER SPARK PLUG

Denso Premium Class Iridium Power Spark Plug is designed with the smallest center electrode and specially shaped ground electrode for maximum spark energy while withstanding temperatures greater than 4000 Fahrenheit. It offers higher ignitability and requires lower spark voltage while improving acceleration.

  • Features tapered cut U-groove ground electrode
  • Offers maximum firing performance and minimum voltage requirements
  • Improves spark ignition for maximum combustion, even with lean air-fuel mixtures
  • Available for many performance and power sports applications

Founded in 1949, DENSO is a leading aftermarket supplier of innovative, OE-quality products and technologies 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
Do y’all use Denso plugs in your personal vehicles?Ronnie S.Jan 05, 2023
Best Answer:Hi Ronnie, I'm pleased to assist you. Yes, as a matter of fact, I have Denso plugs on my ride. It's been years and still performing well. Iridium is very good! If interested in this plug, use the link below to order at 29% off the regular price today while supplies last. I hope this is helpful. Enjoy your <a href="http://CarParts.com" target="_blank">CarParts.com</a> online shopping experience! <a href="https://www.carparts.com/spark-plug/denso/np5325?can=CPGG4850_CSQA_20230105" target="_blank">https://www.carparts.com/spark-plug/denso/np5325?can=CPGG4850_CSQA_20230105</a>
Grace G.STAFFJan 06, 2023

Customer Reviews

Iridium Power Series Spark Plug, Sold Individually
Great Product
Arrived quickly and works well
Jamie D.
VERIFIED PURCHASER
Purchased on Nov 07, 2022
Iridium Power Series Spark Plug, Sold Individually
Never had a problem with them,always get the right part.
Beverly B.
VERIFIED PURCHASER
Purchased on Aug 02, 2023