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The K&N Engineering Universal Clamp-On Air Filter (Part # knnRU-1037) is designed to provide versatile and reliable airflow for a wide range of applications, including racing vehicles, generators, snowmobiles, tractors, and radio-controlled cars. Constructed with durable, molded pliable rubber flanges, this filter absorbs vibrations and ensures a secure fit, while allowing for stretching up to 1/16 inch (1.5mm) to accommodate slight size variations. Its universal design makes it compatible with various intake angles and offset diameters, providing flexibility for different equipment setups. The filter features a high-quality, washable, and reusable air filter element, which promotes long-term performance and cost savings by eliminating the need for frequent replacements. Its robust construction and universal fit make it an excellent choice for enthusiasts and professionals seeking a dependable air filtration solution for diverse machinery.
Features:
Fitment:
1995 Toyota Tacoma Base
1996 Toyota 4Runner Base
1996 Toyota Tacoma Base
1997 Toyota 4Runner Base
1997 Toyota Tacoma Base
1998 Toyota 4Runner Base
1998 Toyota Tacoma Base
1998 Toyota Tacoma DLX
1998 Toyota Tacoma Pre Runner
1998 Toyota Tacoma SR5
1999 Toyota 4Runner Base
1999 Toyota Tacoma Base
1999 Toyota Tacoma Pre Runner
1999 Toyota Tacoma SR5
2000 Toyota 4Runner Base
2000 Toyota Tacoma Base
2000 Toyota Tacoma Pre Runner
2000 Toyota Tacoma SR5
2001 Nissan Frontier SC
2001 Nissan Frontier SE
2001 Nissan Frontier XE
2001 Nissan Pathfinder LE
2001 Nissan Pathfinder SE
2001 Nissan Pathfinder XE
2001 Toyota Tacoma Base
2001 Toyota Tacoma Pre Runner
2002 Nissan Frontier SC
2002 Nissan Frontier SE
2002 Nissan Frontier SVE
2002 Nissan Frontier XE
2002 Nissan Pathfinder LE
2002 Nissan Pathfinder SE
2002 Nissan Xterra SE
2002 Nissan Xterra XE
2002 Toyota Tacoma Base
2002 Toyota Tacoma Pre Runner
2003 Nissan 350Z Base
2003 Nissan 350Z Enthusiast
2003 Nissan 350Z Performance
2003 Nissan 350Z Touring
2003 Nissan 350Z Track
2003 Nissan Frontier SC
2003 Nissan Frontier SE
2003 Nissan Frontier SVE
2003 Nissan Frontier XE
2003 Nissan Pathfinder LE
2003 Nissan Pathfinder SE
2003 Nissan Xterra SE
2003 Toyota Tacoma Base
2003 Toyota Tacoma Pre Runner
2004 Nissan 350Z Base
2004 Nissan 350Z Enthusiast
2004 Nissan 350Z Performance
2004 Nissan 350Z Touring
2004 Nissan 350Z Track
2004 Nissan Frontier SC
2004 Nissan Frontier SVE
2004 Nissan Frontier XE
2004 Nissan Pathfinder LE
2004 Nissan Pathfinder SE
2004 Nissan Xterra SE
2004 Toyota Tacoma Base
2004 Toyota Tacoma Pre Runner
2005 Nissan 350Z 35th Anniversary Edition
2005 Nissan 350Z Base
2005 Nissan 350Z Enthusiast
2005 Nissan 350Z Grand Touring
2005 Nissan 350Z Performance
2005 Nissan 350Z Touring
2005 Nissan 350Z Track
2006 Nissan 350Z Base
2006 Nissan 350Z Enthusiast
2006 Nissan 350Z Grand Touring
2006 Nissan 350Z Touring
2006 Nissan 350Z Track
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).
