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The K&N Engineering Universal Air Filter (Part Number: knnRU-3020) is designed for versatile applications across various equipment including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Its adaptable design ensures compatibility with different angles and offset diameters of air intakes, making it a reliable choice for a wide range of machinery. Constructed with durable, molded pliable rubber flanges, this filter absorbs vibrations and provides a secure fit, even allowing for slight stretching of up to 1/16 inch (1.5mm) to accommodate intermediate sizes. The washable and reusable nature of K&N filters helps maintain optimal airflow and performance over time, reducing the need for frequent replacements and supporting environmentally friendly operation. The filter's dimensions, including a 16 1/4-inch length and 4-inch height, are designed to fit a variety of air intake systems, facilitating easy installation and maintenance without the need for specialized tools. Its construction emphasizes strength, flexibility, and longevity, making it suitable for demanding environments where reliable airflow is critical. Please note that this product is not CARB approved but requires acknowledgment of CARB regulations prior to installation. The filter's design and materials comply with Prop 65 standards, ensuring safety and environmental responsibility. Overall, the K&N Universal Air Filter offers a performance-oriented solution for enthusiasts and professionals seeking a versatile, durable, and reusable air filtration option for their equipment.
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).
