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 Ignition Coil SET features the following specifications:

  • SET contains 8 coils. Enough for one 8 cylinder engine
  • New not remanufactured
  • Replaces dealer part numbers: 224483H000, 22448-3H000
  • Built to strict quality control standards
  • Direct replacement
  • 100% factory tested
  • Fits the following Infiniti 8 cylinder engines as listed:
    • V8 4.1L (VH41DE)

Note: For vehicles requiring Engine ID (Identification): The Engine ID is usually located on a paper tag located on the valve cover.

This coil is a distributorless application. Sold as a set of 8. If you need a single coil, please see our other listings.

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.

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Q45 Ignition Coils
Purchased the ignition coils and new spark plugs to over come ruff idling and slow acceleration on a 1997 Q45. Once replaced the car runs smoothly from start to finish along with improved acceleration. The ignition coils were a great buy!
September 14, 2017
Purchased
9 months ago
I saved $710.00, amazing...thanks 1A Auto Team
I not only recommend this set of coils, I also recommend the 1A Auto Team for dependable delivery. My infiniti purrs like a tiger now.
June 20, 2017
Purchased
1 year ago
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Vehicle Fit

  • 1997-2001 Infiniti Q45 Ignition Coil 8 Piece Set V8 4.1L
Part #: 1AERK00019

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