Chevrolet Trailblazer EXT Spark Plug Wires and Ignition Wiring
This page brings together spark plug wires and ignition wiring for the Chevrolet Trailblazer EXT, covering model years 2002–2009. The range includes complete wire sets, individual spark plug wires, boot kits, and single lead wires in styles from standard replacements to ceramic-coated performance options. Pick your Chevrolet Trailblazer EXT's year above to narrow the list to spark plug wires and ignition wiring with confirmed fitment. Every part shown is checked against our vehicle data.
Edelbrock 22716 Max-Fire Ultra-Spark 50 GM LS Truck Spark Plug Wire Set
FAST 255-2420 FireWire LS Series Spark Plug Wire Set GM Truck 4.8L 5.3L 6.0L 6.2L
JBA W0855 PowerCables Spark Plug Wire Set 8mm Spiral Core Red GM Truck 4.8/5.3/6.0L
Sniper EFI 890014 Fabricated Aluminum Valve Covers GM LS Engines Natural Anodized
Taylor Made 79003 409 Pro Race Spiro-Wound 10.4mm Spark Plug Wire Set
NGK 51439 RC-GMX110 Spark Plug Wire Set, 7mm Magnetic Core Ignition Wires
What's here for your Chevrolet Trailblazer EXT
- Spark Plug Wire Sets — complete replacement sets for the full ignition circuit
- Individual Spark Plug Wires — single replacement leads in standard and performance builds
- Spark Plug Boot Kits — ceramic and standard boot assemblies for protecting wire-to-plug connections
- Single Lead Spark Plug Wires — individual wires for targeted replacement rather than a full set swap
The widest selection of Chevrolet Trailblazer EXT spark plug wires and ignition wiring here comes from ACDelco, MSD, Standard Motor Products, and DENSO, spanning OE-style replacements through ceramic-coated performance wiring. 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.