K&N Engine Air Filter — Long-Life 18,000 Mile Replacement (KNA-2394) for Buick Enclave, Traverse, Acadia, Outlook
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Description
xK&N Engine Air Filter — Long-Life 18,000 Mile Replacement
Since 1969, K&N has prioritized performance air filtration that stands up to real-world driving. The K&N Advantage Plus Engine Air Filter is designed to deliver extended life without compromising filtration quality, while remaining easy to install into your factory air box. This model emphasizes durability and reliability, offering a practical upgrade for drivers who want fewer maintenance interruptions.
Key benefits at a glance include rugged construction designed to last up to 18,000 miles between replacements under normal highway driving, and a replacement interval about 50% longer than standard 12,000-mile filters. The premium media delivers up to 99% filtration efficiency, helping to keep contaminants from reaching the engine and potentially supporting consistent airflow during longer trips.
Engineered to meet or exceed OEM specifications, this filter is a direct fit that installs in minutes without tools. It is backed by a no-hassle 1-year limited warranty, offering protection and peace of mind with routine maintenance. The combination of durable housing and advanced media is designed to work across multiple model years and GM SUVs, as well as other compatible applications listed in the product details.
In practical terms, drivers may notice smoother highway runs, fewer mid-cycle maintenance steps, and a filtration solution built to support longer-life operation. While individual results can vary, the design focus is on delivering dependable filtration that aligns with OEM expectations and everyday driving needs. This model is positioned as a potential upgrade for those seeking longer service life, straightforward maintenance, and a trusted brand name in performance air filtration.
Fit, Replacement, and Care
- Rugged construction designed to last up to 18,000 miles.
- Extended life: roughly 50% longer than typical 12,000-mile filters.
- Up to 99% filtration efficiency to help protect the engine from contaminants.
- Replace every 18,000 miles under normal highway driving (about 1.5 years for many drivers).
- No-hassle 1-year limited warranty for added confidence.
Compatibility includes 2005-2012 BYD F3 and GM family vehicles: Buick Enclave (2008-2017), Chevrolet Traverse (2009-2017), GMC Acadia (2007-2016), GMC Acadia Limited (2017), and Saturn Outlook (2007-2010). The filter installs directly into the factory air box in minutes, with no special tooling required—an advantage for routine maintenance and busy schedules.
Choosing K&N means selecting a filtration solution that blends performance, protection, and practical upkeep. This model stands as a sensible option for drivers seeking longer service life and a dependable fit that aligns with OEM expectations, while keeping installation and maintenance straightforward.
FAQ
Q: Which vehicles are compatible with the K&N Engine Air Filter KNA-2394?
A: Compatible with BYD F3 (2005-2012) and GM SUVs: Buick Enclave, Chevrolet Traverse, GMC Acadia, Saturn Outlook, plus Acadia Limited.
Q: How does the 18,000-mile life compare to standard filters?
A: The 18K filter offers about 50% longer life than typical 12K filters, potentially reducing replacements on highway-driven vehicles.
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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