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The K&N Engineering Universal Rubber Air Filter (Part Number: knnRE-0870) is a versatile and reliable choice for a wide range of applications including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Designed with adaptability in mind, this filter features a durable molded pliable rubber flange that absorbs vibration and ensures a secure fit. The flange can stretch up to 1/16 inch (1.5mm), allowing for easy installation in various setups with different angle or offset diameters. Crafted for durability and repeated use, the K&N universal air filter is washable and reusable, making it a cost-effective option for maintaining optimal airflow in your equipment. Constructed from high-quality materials, this filter provides effective filtration while accommodating a broad spectrum of applications, including those requiring custom fitting solutions. Its robust design helps prevent debris ingress, protecting engine components and ensuring long-term performance. Whether used in racing, industrial machinery, or recreational vehicles, this universal filter offers dependable airflow and easy maintenance to keep your equipment running smoothly. The product complies with Prop 65 standards, ensuring safety and environmental considerations are met. Note that this filter is not CARB approved and requires acknowledgment of CARB regulations prior to use. With its compact size and versatile design, the K&N rubber air filter is an essential component for any equipment requiring a high-performance, reusable air filtration solution.
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).
