£54.38

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3.5 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round, RU-1790

RU-1790

Engine Air Filters

About as cheap as it gets. The only time it was cheaper was 2 months ago.

£54 today · all-time low £54 (Mar 2026) · usually the usual

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Price History & Forecast

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Last 42 days • 35 data points (No recent data available)

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Price distribution over 42 days • 3 price levels

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Most common price: £62 (16 days, 45.7%)

Price range: £54 - £64

Price levels: 3 different prices over 35 days

Description

K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&N offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.

Key Features

ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.

EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.

ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.

WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.

LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.

HIGH QUALITY: Made in America.

RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.

Product Specifications

Brand: K&N
Model: RU-1790
ASIN: B00062YQOI
Category: Automotive > Car Parts > Filters > Air Filters > Engine Air Filters
Domain: Amazon UK
Release Date: 14 October 2015
Listed Since: 25 January 2011

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K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3.5 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round, RU-1790

About as cheap as it gets. The only time it was cheaper was 2 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

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