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The K&N Engineering Universal Clamp-On Air Filter (Part Number: knnRU-4650) is designed to deliver optimal airflow and filtration for a wide range of applications including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Constructed with durable materials, this filter features a high-quality, washable, and reusable design, making it a practical choice for long-term use. Its universal fit and flexible rubber flange allow secure attachment across various equipment and accommodate slight size variations with stretchability up to 1/16 inch (1.5mm). The filter*s sturdy moldings effectively absorb vibrations, ensuring a tight seal and consistent performance during operation. Whether installed in an off-road vehicle or a stationary engine, this filter provides reliable filtration and airflow enhancement. The product is designed with convenience in mind, offering an easy installation process and the ability to clean and reuse, reducing ongoing maintenance costs. Please note that while this filter is not CARB approved, it complies with relevant safety standards and requires acknowledgment of prop 65 compliance prior to installation. Suitable for a variety of air intake angles and offsets, the K&N Universal Clamp-On Air Filter is a versatile component for automotive and equipment enthusiasts seeking durable, high-performance filtration solutions.
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).
