Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
The K&N Engineering 99-0606 Air Filter Cleaner is specially formulated to clean K&N cotton air filters effectively. This 12-ounce pump spray is designed to dissolve dirt, grime, and old filter oil, restoring your air filter to like-new condition. Regular use of this cleaner helps maintain optimal airflow and engine performance by removing contaminants that can clog your filter. Its industrial-strength cleaning power also makes it suitable for heavy-duty degreasing tasks, making it a versatile addition to your maintenance toolkit. Complete instructions are included on the bottle to ensure safe and effective cleaning procedures. Using the recommended K&N cleaner guarantees that your filter's warranty remains valid and that you achieve the best cleaning results without damaging the filter material. Proper cleaning extends the lifespan of your air filter, saving you money in the long run and ensuring your vehicle operates smoothly. This product is ideal for automotive applications where maintaining peak air intake performance is essential, especially in dusty or polluted environments. The 99-0606 cleaner is easy to apply and rinse, providing a hassle-free way to keep your K&N cotton filters in top condition, ensuring maximum airflow and engine efficiency. Keep your vehicle running at its best with this trusted K&N product, specially designed for cleaning cotton air filters while preserving their integrity and performance over time.
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).
