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Chevrolet Trailblazer EXT Spark Plug Wires and Caps

Spark plug wires and caps for the Chevrolet Trailblazer EXT cover model years 2002–2009, with OE replacement parts available for the ignition system. Choose your model year above and this page keeps only the spark plug wires and caps that fit your Chevrolet Trailblazer EXT. Each listing is matched to our vehicle fitment data before it appears here.

31 - 37 of 37 results

Best Seller Free Shipping
Picture of DENSO Platinum TT Spark Plug

DENSO Platinum TT Spark Plug

8 reviews
Vehicle Specific
from $6
In Stock (10+)
Picture for manufacturer DENSO
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Best Seller
Picture of Autolite AP5245 Platinum Spark Plug

Autolite AP5245 Platinum Spark Plug

59 reviews
Part: AP5245
Vehicle Specific
$4.21
4 left at this price
Picture for manufacturer Autolite
Best Seller
Picture of Bosch 7982 HR9LCX Super Plus Spark Plug with Yttrium-Enhanced Copper Core

Bosch 7982 HR9LCX Super Plus Spark Plug with Yttrium-Enhanced Copper Core

69 reviews
Part: 7982
Vehicle Specific
$3.25
2 left at this price
Picture for manufacturer Bosch
Picture of NGK 91418 Laser Iridium Spark Plug

NGK 91418 Laser Iridium Spark Plug

77 reviews
Part: 91418
Vehicle Specific
$8.90
In Stock (10+)
Picture for manufacturer NGK Spark Plugs
Picture of Fram XP5245 Autolite Iridium XP Spark Plug

Fram XP5245 Autolite Iridium XP Spark Plug

61 reviews
Part: XP5245
Vehicle Specific
$5.61
In Stock (10+)
Picture for manufacturer Fram
Picture of NGK 94567 Ruthenium HX Spark Plug

NGK 94567 Ruthenium HX Spark Plug

58 reviews
Part: 94567
Vehicle Specific
$10.51
In Stock (10+)
Picture for manufacturer NGK Spark Plugs
Picture of NGK 90220 LTR5AHX Ruthenium HX High Ignitability Spark Plug

NGK 90220 LTR5AHX Ruthenium HX High Ignitability Spark Plug

8 reviews
Part: 90220
Vehicle Specific
$10.51
In Stock (10+)
Picture for manufacturer NGK Spark Plugs

What's here for your Chevrolet Trailblazer EXT

  • Spark plugs in OE replacement specifications

The widest selection here comes from NGK Spark Plugs, DENSO, Autolite, and Bosch. Other categories Chevrolet Trailblazer EXT owners shop for: Chevrolet Trailblazer EXT Springs and Suspension Parts, Chevrolet Trailblazer EXT Valve Train Parts and Chevrolet Trailblazer EXT HVAC Temperature Controls, or browse all Chevrolet Trailblazer EXT parts and accessories.