





K&N 81-0221 Fuel Filter – High-Volume, Low-Pressure Filtration
- £32.26
- £32.26
- Unit price
- per
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Free UK Delivery on All Orders
Free Returns
Description
xElevate Your Fuel System with the K&N 81-0221
Designed for reliability, the K&N 81-0221 fuel filter emphasizes clean fuel delivery with a focus on durability and ease of maintenance. The unit's high-volume capacity helps keep flow steady, while its low-pressure design contributes to smoother engine operation in everyday driving conditions.
Note: Not legal for sale or use in California on any pollution controlled motor vehicle.
Core benefits
- High-volume, low-pressure filtration supports steady fuel flow and reduces pressure spikes during operation.
- Backflushing capability makes cleaning quick and straightforward without full disassembly.
- 1/4 inch flange option for compatibility with a range of fuel lines.
- Available as a single unit or in 12-pack configurations to fit maintenance schedules.
Maintenance and care
Backflushing helps you clean the element without removing the filter, saving time in routine upkeep. Regular checks during service intervals can help maintain filtration integrity over time.
Flexible installation and packaging
- 1/4 inch flange supports common fuel line connections.
- Compact design fits a variety of engine bays and retrofit projects.
- Choose a single unit for individual vehicles or a 12-pack for fleet or multi-vehicle setups.
- Durable construction and simple handling during installation.
Real-world scenarios
Whether you drive daily, work on hobby builds, or manage a small fleet, this filter offers a practical filtration option with sensible packaging choices. You may notice more consistent fuel flow and fewer interruptions on sustained, mixed-use drives.
FAQ
Q: What are the main benefits of the K&N 81-0221 Fuel Filter?
A: It offers high-volume filtration with low pressure, backflushing cleaning, a 1/4 inch flange option, and options for single or 12-pack purchases.
Q: Is this product legal to sell in California?
A: Not legal for sale or use in California on any pollution-controlled motor vehicle.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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