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- £144.83
- £144.83
- Unit price
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Description
xDirect-fit replacement for GM 4.2L L6 engines
This ENA set combines six ignition coil packs with six iridium spark plugs, designed to work as a direct-fit replacement on a broad range of GM 4.2L six-cylinder applications. The goal is to offer a cleaner ignition system, steadier idle, and consistent spark across cylinders during daily driving, highway cruising, and occasional towing. While outcomes vary by condition and driving style, many owners notice smoother starts and a steadier engine tone after replacement.
Compatibility snapshot
The kit is engineered to fit 2002–2005 Chevrolet Trailblazer and GMC Envoy with the 4.2L L6 engine, along with related models such as Isuzu Ascender, Oldsmobile Bravada, Buick Rainier, and Saab 9-7X. The lineup also covers allied families like Hummer H3 with the 3.5L V6, among other listed configurations. To ensure exact compatibility, verify your vehicle information before purchase.
What you get
- Set of 6 ignition coil packs for even power distribution
- Set of 6 iridium spark plugs for durable performance
- Direct-fit design for simple, tool-friendly installation
- 24-month limited warranty for peace of mind
Key features and benefits
- Premium iridium electrodes provide long wear and reliable spark
- Rugged coil construction designed for resistance to heat and vibration
- Factory-style connectors and harness compatibility for quick plug-and-play
- Comprehensive replacement reduces unknown ignition-related trouble codes
Installation is straightforward for most shade-tree and professional shops. Before starting, confirm the fit with your vehicle’s exact year, model, and engine code. The kit’s components are designed to align with factory mounting points and connector layouts, minimizing guesswork during replacement.
Quality, support, and warranty
ENA stands behind its components with a 24-month warranty and clear guidance on installation. The combination of coils and iridium plugs is designed to deliver consistent combustion, reduced misfires, and a steadier running engine under typical driving conditions. While not a guarantee of performance outcomes, this setup represents a robust option for those seeking a complete ignition system refresh.
FAQ
Q: Is this set compatible with my 4.2L GM engine?
A: Yes, it fits many 2002–2005 GM models including Trailblazer, Envoy, Ascender, Rainier, and Saab 9-7X; verify your exact year/model before purchase.
Q: What is included and what warranty comes with the set?
A: The package includes 6 ignition coils and 6 iridium spark plugs, plus a 24-month warranty.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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- £144.83
- £144.83
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- £144.83
- £144.83
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- £144.83
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