X4XZ Double Iridium Spark Plug 4-Pack | NGK 9723 SILZKR7B11 Compatible
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Description
xOverview
Meet the X4XZ double iridium spark plugs, engineered for broad compatibility across Hyundai, Kia, Honda, Acura and Jeep platforms. This 4-pack aligns with NGK 9723 cross-references SILZKR7B11 and related OE numbers, offering a familiar footprint for many original designs. For best accuracy, review the second image to confirm fit for your vehicle.
Key Benefits
- Long service life with an iridium center electrode supports a stable spark over many miles, up to 100,000 kilometers.
- Improved cold-start performance and smoother operation in varying climates and driving styles.
- Reliable ignition that matches or improves on OE design, helping with fast, consistent starts and smooth running.
- Potential improvements in fuel economy and lower emissions, depending on vehicle condition and usage patterns.
Quality and Design
The plug uses double iridium construction for longevity and dependable ignitability. An iridium center electrode and firing pin contribute to consistent performance, while the design aims to mirror or enhance the OE footprint for straightforward installation.
What’s Included
- Double Iridium Spark Plugs x4
- Cross-reference: NGK 9723; SILZKR7B11; 18846-11070; 1884611070
- Not included: printed instruction manual
- After-Sales Support: 24/7 customer service and 1-year product service
Usage Scenarios
- Daily commutes with steady ignition reliability across climates
- Winter or early-morning starts with potential cold-start benefits
- Highway driving and moderate acceleration scenarios with consistent performance
Notes and Compatibility
Please verify spark plug compatibility by reviewing the second main image, which helps confirm a proper fit for your car.
Why Choose X4XZ
Choosing X4XZ means selecting a brand that emphasizes compatibility, durable materials, and practical performance. The 4-pack format simplifies stocking and replacement, while cross-reference alignment keeps installation aligned with OE expectations.
After-Sales Support
We offer around-the-clock assistance and a 1-year product service. If you need help with installation or have questions about fit, reach out anytime.
FAQ
Q: Which vehicles are compatible with X4XZ double iridium spark plugs (4-pack)?
A: The plugs fit many Hyundai, Kia, Honda, Acura, and Jeep models listed in the product details; please verify using the second image.
Q: What possible advantages could I see after installation?
A: Possible benefits include smoother idle, faster starts, steadier acceleration, and improved fuel efficiency; results vary by vehicle and condition.
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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