Air and Fuel› Air Cleaners, Filters, Intakes and Components

K&N Cone

Universal Clamp-On Air Filter

$63.99

SKU: RB-0900

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The K&N RB-0900 is a universal clamp-on air filter designed to increase horsepower and acceleration. It features a high flow rate with excellent filtration and is washable and reusable. This air filter is legal in all 50 US states and comes with a million-mile limited warranty.
Show original supplier description
The K&N RB-0900 is a universal clamp-on air filter engineered to boost horsepower and acceleration while providing excellent filtration. Constructed with K&N's signature cotton gauze material, this filter is washable and reusable, offering a cost-effective and environmentally friendly upgrade for your vehicle's air intake system. This round straight universal air filter has a 5-degree angled flange with an inside diameter of 3 inches and a length of 1 inch, making it adaptable to various carburetor throats. Its overall dimensions include an outside diameter of 4.313 inches and a height of 4 inches. The filter's pliable rubber flanges are designed to absorb vibration and ensure a secure attachment, with the ability to stretch up to 1/16 of an inch (1.5mm) to accommodate slightly different sizes. K&N air filters are dyno-proven to enhance performance. This particular model is emission-legal in all 50 US states and will not void your vehicle's warranty. It is backed by a million-mile limited warranty, underscoring K&N's commitment to quality and durability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandK&N Cone
Part NumberRB-0900
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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