The ignition coil is a crucial part of your ignition system. It's function is to convert the 12 volt power of your vehicle's electrical system in to 35,000 or more volts. This produces a high intensity spark at the spark plug which then ignites the fuel in the cylinder. Coils in general will wear out over time. This will cause a misfire condition. In engines like this with one coil per cylinder you can diagnose a coil by putting a timing light on each one to make sure it is lighting the light consistently.

This Coil Over Plug Ignition Coil features the following specifications:

  • Brand New
  • Replaces dealer part number: 12596547, 12612369, 8125965470
  • Built to strict quality control standard
  • Direct replacement
  • 100% factory tested
  • Set of 6

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Direct Fit Replacement

Direct fit replacement part is guaranteed to fit and function properly for your specific application.

Optimum Performance

Optimal performance, TRQ ignition coils are designed to meet or exceed the requirements of the vehicle.  TRQ ignition coils provide the correct primary and secondary resistance, voltage output, and spark energy that the vehicle needs to restore to its original operating condition.

Premium Quality

Manufactured with quality components and materials by using advanced technology to meet the highest quality control standards in the industry.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

5.0 / 5.0
4 Reviews
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Great parts and even better people and service. Can't beat the prices or the warranty. A1 is always my choice for any part I need. Thank you guys.
September 20, 2017
Purchased
7 months ago
Satisfied Customer
I am satisfied with this purchase as I have been with all my other purchases. I will continue to use 1a Auto for all my parts needs because these parts are very affordable when compared to the prices at local parts stores. Shipping is always super fast.
January 30, 2018
Purchased
3 months ago
Ignition coils
The package arrived in good time.
Product was as ordered and has performed great .
The free shipping and no tax was awesome.
I will use these guys again for sure !
January 24, 2018
Purchased
3 months ago
Perfect fit.good service Will use a1 auto again in the future
February 1, 2018
Purchased
2 months ago
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Vehicle Fit

  • 2006-2007 Buick Rainier Ignition Coil L6 4.2L 6 Piece Set
  • 2006-2009 Chevy Trailblazer Ignition Coil L6 4.2L 6 Piece Set
  • 2006 Chevy Trailblazer EXT Ignition Coil L6 4.2L 6 Piece Set
  • 2006-2009 GMC Envoy Ignition Coil L6 4.2L 6 Piece Set
  • 2006 GMC Envoy XL Ignition Coil L6 4.2L 6 Piece Set
  • 2006-2007 Isuzu Ascender Ignition Coil L6 4.2L 6 Piece Set
  • 2006-2009 Saab 9-7X Ignition Coil L6 4.2L 6 Piece Set
Part #: 1AERK00190

Ships Same Day for orders placed by 4 P.M. ET