A-Premium 4-Pack Iridium Platinum Spark Plugs for Buick Encore 2013-2021 & Chevy Cruze/Sonic/Trax 1.4L
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Description
xUpgrade your 1.4L GM engine with A-Premium Iridium Platinum Spark Plugs
This 4-pack from A-Premium is designed to fit a range of popular GM models, including Buick Encore, Chevrolet Cruze, Sonic, and Trax. The four-plug kit makes it convenient to refresh ignition components across your vehicle family, offering a structured approach to maintenance and potential improvements in everyday driving feel. While results vary by vehicle condition and operating habits, many drivers appreciate the idea of a consistent, balanced spark that supports reliable starts and steady performance.
What makes these plugs stand out
- Center electrode tip material: Iridium
- Center electrode core material: Iridium
- Resistance: 5000 ohms
- Gap size: 0.044 inches
- Hex size: 5/8 inch
- Insulator height: 53 mm
- Reach: 0.75 inches
- Thread diameter: 14 mm
- Reference numbers include 91039, IFR7X7G, AI3922, XP3922, XS3922, 55576026, 55585517
Vehicle compatibility
- Buick Encore (2013–2021) 1.4L L4
- Chevrolet Cruze (2011–2016) and Cruze Limited (2016) 1.4L
- Chevrolet Sonic (2012–2020) 1.4L
- Chevrolet Trax (2013–2021) 1.4L
Longevity and maintenance
- Engineered for longevity with a recommended replacement interval of 80,000–100,000 miles
- Iridium-based design aims for durable ignition and consistent performance over time
In real-world driving, you may notice crisper starts, a steadier idle, and smoother transitions as ignition events fire with precision. These benefits are possibilities that depend on your overall engine health, fuel quality, and regular maintenance. This kit provides a comprehensive, ready-to-install option for owners who service multiple GM 1.4L models.
Note: This is a replacement part and not affiliated with OEM brands. Consider this set as a practical upgrade for those seeking a uniform spark plug kit across compatible vehicles.
FAQ
Q: What vehicles do these spark plugs fit?
A: Buick Encore (2013–2021), Chevrolet Cruze (2011–2016), Sonic (2012–2020), and Trax (2013–2021) with 1.4L engines.
Q: What contributes to their longevity?
A: Iridium center electrode tips and tight manufacturing tolerances aim for durable ignition and steady performance; replacement is suggested around 80k–100k miles for best results.
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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