Skip to product information
1 of 5

Ignition Coil & Iridium Spark Plugs for Chevrolet Monte Carlo (2006-2007) 3.5L V6



Regular price $134.95
Sale price $134.95 Regular price
Free Shipping within USA.

  • Guaranteed Fitment
  • Performance Tested
  • Lifetime Warranty

Want it soon? Order within

I18n Error: Missing interpolation value "end_date" for "Ends on {{ end_date }}"

Complete Ignition Coil & Iridium Spark Plug Kit for 2006-2007 Chevrolet Monte Carlo

Replaces the factory ignition coil pack, aged spark plug wires, and standard plugs with a complete, high-efficiency iridium ignition setup to restore misfire-free combustion.

The Stock Monte Carlo Ignition Weakness

Over time, the GM High Value V6 (LZ4) factory coil packs degrade due to persistent thermal cycling and engine bay heat soak. The original equipment coil windings break down, causing internal resistance that translates to weak spark output, random cylinder misfires, and noticeable hesitation under load. Combined with worn factory spark plug wires developing micro-cracks in their silicon jackets and standard plugs losing their gap from electrode erosion, the entire ignition sequence becomes compromised, leading to poor idle quality, reduced throttle response, and a drop in overall fuel efficiency.

The Engineering Solution

This complete ignition overhaul kit addresses the W-body platform's electrical fatigue by integrating an upgraded ignition coil block, high-conductivity spark plug wires, and precision-gapped iridium spark plugs. The replacement coil utilizes high-grade copper windings and robust epoxy potting to resist vibration and thermal breakdown, ensuring a consistent, high-voltage energy transfer to the plugs. The included iridium spark plugs feature a fine-wire center electrode, which dramatically lowers the required firing voltage and resists heat-induced wear far better than traditional copper or platinum alternatives. Paired with high-dielectric insulated plug wires that prevent voltage leaks and RF interference, this kit restores factory power delivery, stabilizes the idle, and provides long-term reliability under severe operating conditions.

Technical Specifications

Fitment 2006-2007 Chevrolet Monte Carlo
Engine / Chassis GM 3.5L High Value V6 (LZ4) / W-Body
Stock Output 211 hp / 214 lb-ft (Approx)
Part Number UF434, SP432, 12568185, 12579177, 12587153, 12595088

Compatibility

  • 2006 Chevrolet Monte Carlo 3.5L V6
  • 2007 Chevrolet Monte Carlo 3.5L V6

The Chevrolet Reliability Standard

Designed for reliable daily driving and smooth highway cruising, restoring your V6's ignition system ensures predictable power and eliminates annoying misfire check-engine lights.


Engine Safety Rating
Difficulty 


Fitment

Make

Chevrolet

Engine Size

  • 3.5L

Year

  • 2006
  • 2007

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Ignition Coil & Iridium Spark Plugs for Chevrolet Monte Carlo (2006-2007) 3.5L V6

$134.95