K&N KN-303 oil filter side view highlights compact design for high-flow applications.
K&N KN-303 oil filter with wrench-off nut for quick, tool-free removal.
K&N KN-303 synthetic-blend media close-up highlights contaminants separation capability.
K&N KN-303 heavy-duty canister provides rugged durability under demanding rides.
K&N KN-303 high-flow design supports steady oil supply under hard riding.
K&N KN-303 compatible with synthetic, conventional, and blended oils.
K&N KN-303 1-year warranty adds peace of mind for riders.
K&N KN-303 oil filter side view highlights compact design for high-flow applications.
K&N KN-303 oil filter with wrench-off nut for quick, tool-free removal.
K&N KN-303 synthetic-blend media close-up highlights contaminants separation capability.
K&N KN-303 heavy-duty canister provides rugged durability under demanding rides.
K&N KN-303 high-flow design supports steady oil supply under hard riding.
K&N KN-303 compatible with synthetic, conventional, and blended oils.
K&N KN-303 1-year warranty adds peace of mind for riders.

K&N KN-303 Motorcycle Oil Filter – High-Flow, Synthetic-Blend Media, Wrench-Off Nut

Premium filtration designed for power and reliability The K&N KN-303 motorcycle oil filter is built for riders...
Vendor: K&N
Availability: In stock
£34.45
£34.45
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K&N KN-303 oil filter side view highlights compact design for high-flow applications.

K&N KN-303 Motorcycle Oil Filter – High-Flow, Synthetic-Blend Media, Wrench-Off Nut

£34.45
K&N KN-303 oil filter side view highlights compact design for high-flow applications.
K&N KN-303 oil filter with wrench-off nut for quick, tool-free removal.
K&N KN-303 synthetic-blend media close-up highlights contaminants separation capability.
K&N KN-303 heavy-duty canister provides rugged durability under demanding rides.
K&N KN-303 high-flow design supports steady oil supply under hard riding.
K&N KN-303 compatible with synthetic, conventional, and blended oils.
K&N KN-303 1-year warranty adds peace of mind for riders.

K&N KN-303 Motorcycle Oil Filter – High-Flow, Synthetic-Blend Media, Wrench-Off Nut

£34.45
Description
Description
x

Premium filtration designed for power and reliability

The K&N KN-303 motorcycle oil filter is built for riders who expect steady oil flow and solid protection on every ride. It uses an innovative synthetic-blend filtration media that remains compatible with synthetic, conventional, and blended oils—perfect for everyday use and demanding conditions alike. The design supports high-performance engines while maintaining compatibility with the higher oil viscosities that some riders choose for racing or touring.

The heavy-duty canister is engineered to withstand the vibrations, heat, and pressure of busy days on the road or track. A 17mm welded hex nut enables quick, tool-friendly removal, helping you complete oil changes faster and with less hassle. Designed to endure the service intervals recommended by manufacturers, the KN-303 offers dependable filtration without interrupting your riding schedule. This filter is backed by K&N’s 1-Year Limited Warranty for added peace of mind.

Key benefits at a glance

  • High flow rates designed to provide a steady supply of clean oil to your engine, even under demanding conditions
  • Versatile compatibility works with synthetic, conventional, and blended motor oils
  • Advanced filtration media pleats capture contaminants while preserving oil pressure
  • Rigorous testing laboratory-verified capacity and burst strength for durability
  • Easy removal 17mm welded hex nut for fast, hassle-free maintenance
  • Heavy-duty construction a robust canister built to endure rough rides and road debris
  • No-hassle warranty 1-Year Limited Warranty from K&N
  • Longer service intervals designed to align with modern vehicle manufacturer recommendations

Fitment and practical use

Engineered for performance powersports, the KN-303 fits a broad range of bikes and is suitable for riders who mix synthetic and conventional oils. It pairs well with machines from brands such as Honda, Kawasaki, Polaris, and Yamaha, and it supports the high-temperature demands of spirited riding. Whether you’re commuting, touring, or testing limits on a weekend ride, this filter aims to deliver reliable filtration without adding maintenance complexity.

  • Compatibility with synthetic, petroleum-based, and blended oils
  • Designed to meet the service interval expectations of many manufacturers
  • Ideal for riders who value quick maintenance and solid protection

Note: Always refer to your owner’s manual for the recommended oil type and change interval. The KN-303 is designed to work within those guidelines while offering dependable filtration and convenient service features.

FAQ

Q: What oils is the KN-303 filter compatible with?

A: The KN-303 works with synthetic, conventional, and blended oils.

Q: Does this filter include a warranty?

A: Yes, it comes with a 1-Year Limited Warranty from K&N.

Shipping & Return
Shipping & Return
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Returns 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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