X4XZ UF401 Ignition Coil & 4469 Double Iridium Spark Plug Kit | 6pc for Nissan Altima Maxima Pathfinder Quest 350Z Frontier Xterra
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Description
xOverview
Upgrade your Nissan or Infiniti with the X4XZ UF401 ignition coil and 4469 double iridium spark plug kit. This six pack of ignition coils paired with six high life spark plugs is designed to work with many 3.5L and 4.0L engines, delivering consistent spark, reliable starts, and a smoother running experience in everyday driving. The kit is crafted to align with the original form factor, making installation predictable for skilled DIYers and professional technicians alike.
While the instruction manual is not included, the components are designed for straightforward replacement when you have basic automotive knowledge and common hand tools. You may notice easier cold starts and steadier engine performance as you rotate through daily commutes or longer highway trips.
What’s included
- Ignition coil packs x6 built to fit the listed 3.5L and 4.0L Nissan and Infiniti applications
- Double iridium spark plugs x6 engineered for long life and stable ignition
- OE references UF401 and 4469 for compatibility guidance; packaging excludes an instruction manual
Key benefits you may notice
- Potential for smoother engine idle and more consistent ignition across cylinders
- Improved cold start performance and steady operation across temperature changes
- Durable materials including stainless steel springs and a thermoplastic coil housing built to endure heat and vibration
- Internal ferrite noise suppressor helps reduce electrical interference for cleaner performance
- High quality spark plugs and coil design aligned with original specs to support reliable power delivery
Performance and durability
The double iridium plugs are designed for long life and durable operation, while the ignition coils are built to retain voltage transfer under heat and repeated thermal cycles. Together they are intended to support reliable performance across daily driving, city commutes, and occasional spirited acceleration.
Compatibility and installation notes
The UF401 and 4469 kit covers a broad mix of Nissan Altima Maxima Pathfinder Quest 350Z Frontier Xterra and Infiniti models from the early 2000s through the late 2010s. For exact compatibility, please review the listing images. The kit is designed for straightforward installation by those familiar with coil packs and spark plug replacement; the instruction manual is not included.
FAQ
Q: Which vehicles are compatible with this UF401 4469 kit?
A: Fits a range of Nissan and Infiniti models listed in the description, including Altima, Maxima, Pathfinder, Quest, 350Z and Xterra.
Q: What is included and are installation instructions provided?
A: Includes six ignition coils and six double iridium spark plugs; instruction manual is not included, but installation is designed for straightforward replacement.
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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