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The K&N Power Kleen Air Filter Cleaner, part number KN99-0635, is a professional-grade cleaning solution designed specifically for K&N cotton air filters. This 1-gallon bottle provides ample cleaning power to restore your filter to like-new condition. It effectively dissolves dirt, grime, and old filter oil, making it easy to wash away with water. Proper cleaning is essential to maintain optimal airflow and filtration efficiency, and using the K&N-approved cleaner ensures your warranty remains valid. This cleaner is formulated exclusively for K&N filters, preventing damage that could be caused by improper cleaning solutions. Regular use helps prolong the life of your filter while maintaining peak performance. In addition to air filters, the powerful degreasing properties of Power Kleen make it suitable for removing grease, dirt, and deposits from various surfaces including painted areas, chrome, plastic, and other materials, making it a versatile cleaning product for automotive and industrial applications.
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).
