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The K&N 81-0221 In-Line Gas Filter is engineered for precision fuel filtration in high-performance and racing environments. Built from durable sintered porous bronze, this filter efficiently traps fine fuel contaminants, ensuring a clean and consistent fuel supply for peak engine performance. Its advanced design supports high-volume, low-pressure fuel systems commonly used in motorsports, protecting sensitive components like carburetors and injectors from harmful debris.
Compact yet durable, the 81-0221 features a 1-inch body diameter and measures 2-1/8 inches in length, providing a powerful filtration solution without adding bulk to your fuel setup. The 1/4-inch flange diameter enables easy integration into a wide range of fuel lines. It’s also compatible with methanol and various oils, making it a versatile choice for performance enthusiasts and race teams seeking reliability and precision under extreme conditions.
Features:
Sintered porous bronze element captures fine fuel contaminants
1/4-inch flange diameter for universal fit in performance fuel lines
Compact design: 1-inch body diameter and 2-1/8-inch overall length
Suitable for methanol, gasoline, and oil-based fuels
High-volume, low-pressure flow ideal for racing and performance use
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.
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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).
