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Description
xComplete ignition upgrade for select Toyota and Scion models
The X4XZ UF316 ignition coil pack combined with 7090 double iridium spark plugs offers a cohesive, four‑piece kit designed to support a reliable ignition path. While outcomes can vary by vehicle condition and driving style, many drivers notice easier cold starts and a steadier idle after installation, along with smoother acceleration in day‑to‑day driving.
Broad compatibility with popular Toyota models
This kit targets the following vehicles: 2004–2006 Scion xA (L4 1.5L, Engine ID 1NZFE), 2004–2006 Scion xB (L4 1.5L, Engine ID 1NZFE), 2000–2005 Toyota Echo (L4 1.5L, Engine ID 1NZFE), 2001–2009 Toyota Prius (L4 1.5L, Engine ID 1NZFE), 2012–2019 Prius C, and 2007–2018 Yaris. Always verify fitment by reviewing the second main image to confirm ignition coil and spark plug compatibility with your car.
- OE‑style design intended to align with the factory architecture for straightforward replacement
- High‑quality spark plugs with double iridium for stable sparks and longer service life
- Premium ignition coils featuring a stainless‑steel spring and internal ferrite noise suppressor to minimize interference
- OE reference numbers provided for easy cross‑checking: C1304, 9008019021, 9091902240, 9091902265
The package includes four ignition coil packs and four double iridium spark plugs. Note that an installation manual is not included, but the parts are designed for common, tool‑based replacements and compatibility with standard maintenance practices.
- Ease of installation: components are designed to plug into existing connectors with minimal modification
- Support: X4XZ offers 24/7 customer service and a one‑year product service window for assistance
Real‑world use: what drivers may experience
With compatible vehicles, you may experience crisper cold starts, more consistent spark delivery, and an overall smoother engine feel during acceleration and idling. Real results depend on each vehicle’s current condition, maintenance history, and driving environment.
To maximize performance, pair these parts with proper vehicle maintenance and follow manufacturer torque specs during installation. If you have questions about compatibility or fitment, reaching out to support can help ensure you’re on the right path for a successful replacement.
FAQ
Q: Is this set compatible with my Toyota model?
A: Fits 2004–2006 Scion xA/xB, 2000–2005 Echo, 2001–2009 Prius, 2012–2019 Prius C, and 2007–2018 Yaris; verify compatibility using the second image.
Q: What is included and is installation easy?
A: Includes four ignition coil packs and four double iridium spark plugs; instruction manual not included; designed for straightforward installation with standard tools.
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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