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Spark Plug (NGK) for 1988-2014 Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, & Saturn NEW

$ 16 .36

Product Notes

⚠️ Most jobs typically require 8 of this item.
Gap 0.060" Actual OE Manufacturer 100,000 mi OE Mfr Recommended Service Interval
Laser Iridium Spark Plug
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Brand: NGK
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Center Electrode Core Material Copper
Center Electrode Design Fine Wire
Center Electrode Insulator Tip Projection 0.14, 3.5
Center Electrode Projection Mid Projection
Center Electrode Tip Material Iridium
Electrical Terminal Type Non-removable Nut
Grade Type Performance
Ground Configuration J-gap
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Standard
Ground Electrode Tip Material Platinum
Hex Size 5/8" (16mm)
Insulator Height 2.07, 52.5
Insulator Material Ceramic
Manufacturer Heat Range 4
Material Grade Iridium Platinum
Part Number Itr4a15
Pre Gap Size .060, 1.5
Reach 0.689, 17.5
Resistance 5000.0
Resistor Type Yes
Seat Type Tapered
Service Number Itr4a15
Short Style Spark Plug No
Skirt No
Skirt Length 0.0
Stock Number 5599
Thread Diameter 0.551, 14.0
Washer Included No

Vehicle Fitment Guide

This part fits the following vehicles:

Make Models
Buick Allure, Century, Electra, LaCrosse, LeSabre, Lucerne, Park Avenue, Reatta, Regal, Rendezvous, Riviera, Skylark, Terraza
Cadillac Escalade
Chevrolet Astro, Beretta, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Camaro, Corsica, Equinox, Express 1500, Express 2500, Express 3500, G30, Impala, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Lumina, Lumina APV, Malibu, Monte Carlo, P30, S10, Silverado 1500, Silverado 1500 Classic, Tahoe, Uplander, Venture
GMC C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, G3500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, P3500, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Sonoma, Yukon
Isuzu Hombre
Oldsmobile 88, 98, Achieva, Alero, Cutlass, Cutlass Ciera, Cutlass Supreme, Delta 88, Intrigue, LSS, Regency, Silhouette, Toronado
Pontiac Aztek, Bonneville, Firebird, G6, Grand Am, Grand Prix, Montana, Torrent, Trans Sport
Saturn Relay

This is a universal part that fits 2,359 vehicle configurations across 8 makes.

Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Interchange Parts

Brand Part Number
ACDelco 12561454
ACDelco 12578277
ACDelco 19158039
ACDelco 19158041
ACDelco 24504873
ACDelco 25161677
ACDelco 25166821
ACDelco 25333938
ACDelco 41-902
ACDelco 41-908
ACDelco 41-921
ACDelco 41-933
ACDelco 41-979
ACDelco 41-983
ACDelco 41-984
Autolite APP605
Autolite APP606
Autolite APP606DP2
Bosch 8102
Bosch 8106
Bosch HR8DPP33Y
Bosch HR9DPP33Y
Champion Spark Plug 7013
Champion Spark Plug 7013-2
Champion Spark Plug 7940
Champion Spark Plug RS14PYP6
Champion Spark Plug RS14PYPB5
DENSO Auto Parts 5071
DENSO Auto Parts TJ14R-P15
General Motors 25163148

Fits Years: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

Go-Parts Garage · Featured Guide

Spark Plug Guide for the 1992-2005 Buick LeSabre

Keep your LeSabre's reliable 3.8L V6 engine running smoothly with the correct new spark plugs.

Read Full Guide

⚠️ Related Trouble Codes (OBD-II)

28 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

P0300
Random Misfire Causes and Fixes
2000-2004 Buick REGAL
P0300
Random Misfire Causes and Fixes
1999-2005 Pontiac Grand Am
P0300
Random Misfire Causes and Fixes
2005-2009 Chevrolet Equinox
P0300
Random Misfire Causes and Fixes
2007-2007 Buick RENDEZVOUS
P0300
Random Misfire Causes and Fixes
2005-2005 Gmc JIMMY CLASSIC
P0300
Random Misfire Causes and Fixes
2009-2013 Chevrolet EXPRESS
P0300
Random Misfire Causes and Fixes
2006-2009 Buick ALLURE
P0300
Random Misfire Causes and Fixes
2006-2009 Pontiac TORRENT
P0300
Random Misfire Causes and Fixes
2000-2004 Oldsmobile ALERO
P0300
Random Misfire Causes & Fixes
2000-2005 Buick CENTURY
P0300
Random Misfire Causes and Fixes
2001-2005 Pontiac AZTEK
P0300
Random Misfire Causes & Fixes
2000-2004 Pontiac GRAND AM
↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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