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The K&N Engineering Foam Insert Block (Part Number KNN85-2003) is an essential upgrade designed specifically for DSL models to replace the OEM foam block. Crafted for precise fitment, this foam insert enhances the air filtration system, ensuring optimal airflow and filtration efficiency. Constructed from high-quality foam material, it provides a durable and reliable component that maintains the integrity of your vehicle*s air intake system. This foam insert is an excellent choice for owners seeking to improve their vehicle*s performance and maintain factory standards.
Installation of this foam insert is straightforward and it fits seamlessly into the designated space within your vehicle's air intake assembly. The design ensures a snug fit, preventing unfiltered air from bypassing the filter and entering the engine. As a direct replacement for the OEM part, it offers an economical solution for maintaining optimal engine performance. This foam block is compliant with Prop 65 regulations, ensuring safety and environmental standards are met. It is important to note that this product is not CARB approved but requires acknowledgment of CARB regulations before installation.
Designed specifically for 2017 Ford F-250 Super Duty and F-350 Super Duty models, this foam insert is a reliable aftermarket upgrade. It is suitable for use in various configurations within these truck models, providing a tailored fit that enhances the overall air filtration system. Whether you're replacing worn-out foam or upgrading for improved airflow, this foam insert offers a practical and effective solution for your vehicle's maintenance needs.
Features:
Fitment:
2017 Ford F-250 Super Duty King Ranch
2017 Ford F-250 Super Duty Lariat
2017 Ford F-250 Super Duty Platinum
2017 Ford F-250 Super Duty XL
2017 Ford F-250 Super Duty XLT
2017 Ford F-350 Super Duty King Ranch
2017 Ford F-350 Super Duty Lariat
2017 Ford F-350 Super Duty Platinum
2017 Ford F-350 Super Duty XL
2017 Ford F-350 Super Duty XLT
2018 Ford F-250 Super Duty King Ranch
2018 Ford F-250 Super Duty Lariat
2018 Ford F-250 Super Duty Limited
2018 Ford F-250 Super Duty Platinum
2018 Ford F-250 Super Duty XL
2018 Ford F-250 Super Duty XLT
2018 Ford F-350 Super Duty King Ranch
2018 Ford F-350 Super Duty Lariat
2018 Ford F-350 Super Duty Limited
2018 Ford F-350 Super Duty Platinum
2018 Ford F-350 Super Duty XL
2018 Ford F-350 Super Duty XLT
2019 Ford F-250 Super Duty King Ranch
2019 Ford F-250 Super Duty Lariat
2019 Ford F-250 Super Duty Limited
2019 Ford F-250 Super Duty Platinum
2019 Ford F-250 Super Duty XL
2019 Ford F-250 Super Duty XLT
2019 Ford F-350 Super Duty King Ranch
2019 Ford F-350 Super Duty Lariat
2019 Ford F-350 Super Duty Limited
2019 Ford F-350 Super Duty Platinum
2019 Ford F-350 Super Duty XL
2019 Ford F-350 Super Duty XLT
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).
