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Upgrade your compatible Ford F-150 with the K&N Engineering 33-2140-1 Replacement High-Flow Air Filter. Designed as a drop-in replacement for the factory air box, this reusable filter uses layered, oiled cotton media to improve airflow while capturing contaminants for exceptional engine protection.
The K&N replacement air filter is engineered to provide an increase in horsepower and is designed to last for the entire lifespan of your vehicle. Its washable, reusable construction helps support long-term use, and the filter is backed by K&N's 10-Year/Million Mile Limited Warranty and No-Hassle Lifetime Limited Warranty.
This automotive air filter fits select Ford F-150 applications, including the F-150 from 1999 through 2003, the 2004 F-150 Heritage, and the 2002-2003 F-150 Harley-Davidson with the 5.4L engine. Verify vehicle application before purchase. K&N Air Filters are proudly made in the USA for trusted quality and reliability.
For maintenance, the associated K&N 99-5000 Filter Care Service Kit Aerosol is listed for this product. Reuse the filter after cleaning and servicing as needed to help maintain its airflow and filtration performance.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
