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Upgrade your Ford Super Duty’s performance and reliability with the K&N Engineering Original Lifetime Engine Air Filter, precision-engineered for the 7.3L V8 Diesel engine. Constructed with multiple layers of oiled cotton media, this high-flow filter increases airflow while maintaining exceptional filtration efficiency. The result is improved throttle response, enhanced horsepower, and long-term engine protection.
Unlike disposable paper filters, K&N’s washable and reusable design provides lasting value and performance for the lifetime of your vehicle. Backed by K&N’s 10-Year/Million Mile Limited Warranty, this filter delivers consistent performance whether you’re hauling, towing, or commuting. The drop-in design installs easily into your factory airbox—no modifications required.
Features:
High-flow oiled cotton media for optimized airflow and filtration
Washable and reusable—built to last the lifetime of your vehicle
Improves horsepower and acceleration
Direct drop-in replacement for the OEM air filter
Designed for heavy-duty and daily use
Backed by K&N’s 10-Year/Million Mile Limited Warranty
Fitment:
Ford Excursion Eddie Bauer 2003
Ford Excursion Limited 2000
Ford Excursion Limited 2001
Ford Excursion Limited 2002
Ford Excursion Limited 2003
Ford Excursion XLT 2000
Ford Excursion XLT 2001
Ford Excursion XLT 2002
Ford Excursion XLT 2003
Ford F-250 Super Duty Lariat 1999
Ford F-250 Super Duty Lariat 2000
Ford F-250 Super Duty Lariat 2001
Ford F-250 Super Duty Lariat 2002
Ford F-250 Super Duty Lariat 2003
Ford F-250 Super Duty XL 1999
Ford F-250 Super Duty XL 2000
Ford F-250 Super Duty XL 2001
Ford F-250 Super Duty XL 2002
Ford F-250 Super Duty XL 2003
Ford F-250 Super Duty XLT 1999
Ford F-250 Super Duty XLT 2000
Ford F-250 Super Duty XLT 2001
Ford F-250 Super Duty XLT 2002
Ford F-250 Super Duty XLT 2003
Ford F-350 Super Duty King Ranch 2003
Ford F-350 Super Duty Lariat 1999
Ford F-350 Super Duty Lariat 2000
Ford F-350 Super Duty Lariat 2001
Ford F-350 Super Duty Lariat 2002
Ford F-350 Super Duty Lariat 2003
Ford F-350 Super Duty XL 1999
Ford F-350 Super Duty XL 2000
Ford F-350 Super Duty XL 2001
Ford F-350 Super Duty XL 2002
Ford F-350 Super Duty XL 2003
Ford F-350 Super Duty XLT 1999
Ford F-350 Super Duty XLT 2000
Ford F-350 Super Duty XLT 2001
Ford F-350 Super Duty XLT 2002
Ford F-350 Super Duty XLT 2003
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).
