K&N Racing Oil Filter Aprilia RS 660 (20-26) KN-138
K&N Racing Oil Filter Aprilia RS 660 (20-26) KN-138
Delivery time on request
K&N Premium Oil Filter for Aprilia RS 660 (2020-2026) – KN-138 – This high-quality racing oil filter is specifically designed for extreme racing conditions and demanding street use. With its 17mm hex, it can be easily installed and removed with common hand tools – no special tools required. The reinforced construction with thicker housing walls (50% thicker than standard filters) provides additional durability and stability, even under the highest loads.
Product Features:
- Easy Installation & Removal: The 17mm hex allows for quick handling with standard hand tools.
- Robust Construction: Reinforced housing walls and thicker base plate offer exceptional strength and resistance to high loads.
- Bypass Valve & Anti-Drainback Valve: Protects against dry starts and filter drainback – ideal for sustained performance under extreme conditions.
- High Flow Rate: For optimal oil supply, even at high RPMs and intense use.
- Excellent Filtration: The synthetic filter medium ensures maximum cleanliness and prevents deposits.
- Compatible with Synthetic Motor Oils: Designed for use with modern synthetic motor oils and racing fuels.
- Easy Installation: O-ring pre-lubricated for quick and clean mounting.
- Track Compatibility: With hole for safety wire, ideal for use on the racetrack.
- Durable & Resilient: Withstands extreme temperatures and high oil pressures – perfect for the Aprilia RS 660 and anyone seeking performance and reliability.
Item Number: KN-138
Note: This K&N oil filter is specifically designed for the Aprilia RS 660 (2020-2026) and is suitable for both street and track use. Get the best oil filter for maximum engine performance and optimal protection under extreme conditions!
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About Us
About Us
Our passion for quality and innovation drives us to provide you with the best products and services for motorcycle enthusiasts. From exclusive high-performance parts to custom solutions – your riding experience is our priority.
Shipping & Returns
Shipping & Returns
We ship with DHL and FedEx – express shipping is available upon request. If an item is in stock, express shipping can often be done within 1 business day. The regular delivery time is approximately 2-5 business days nationally, and about 1 week internationally. Please check the available shipping options and times in the cart, as we offer multiple shipping providers depending on the country.
Returns must be registered in advance via email and are possible according to our cancellation policy (14 days return request + 14 days return period after approval). Please note: Unregistered returns will not be accepted. All details regarding conditions, exceptions, and refunds can be found in our cancellation policy.
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More info in our FAQs
Write an email to our team – we will get back to you as soon as possible.
How long does it take to process my order?
How long does it take to process my order?
If the item is in stock, we usually process your order very quickly, often shipping it the same day.
Our processing times are Monday to Friday, 07:30–16:30.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide. Shipping is done via DHL or FedEx depending on the country and selection.
What is your return policy?
What is your return policy?
Returns must be registered in advance by email. You can request a return within 14 days of receipt and have an additional 14 days for the return shipment after approval.
Important: Unregistered returns will not be accepted. You can find all details in our cancellation policy.
What does 'Delivery time on request' mean?
What does 'Delivery time on request' mean?
'Delivery time on request' means that the item is usually not directly in stock and may need to be specially ordered. Please contact us before purchasing – we will check availability and provide you with the estimated delivery time.
Do you offer express shipping?
Do you offer express shipping?
Yes, we offer express shipping. If an item is in stock, shipping can often occur within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the shopping cart.

