£54.03

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.4375 In, Filter Height: 6 In, Flange Length: 0.625 In, Shape: Oval Straight, RC-3680

RC-3680

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£54 today · previous high £54 · all-time low £47

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Price History & Forecast

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Last 76 days · 76 data points (no recent data)

Historical
Generating forecast…
£54.03 £46.43 £48.09 £49.75 £51.40 £53.06 £54.72 07 June 2026 25 June 2026 14 July 2026 02 August 2026 21 August 2026

Price Distribution

Price distribution over 76 days • 4 price levels

Days at Price
Current Price
3 days 8 days 21 days 44 days · current 0 11 22 33 44 £47 £48 £50 £54 Days at Price

Price Analysis

Most common price: £54 (44 days, 57.9%)

Price range: £47 - £54

Price levels: 4 different prices over 76 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
RC-3680
Domain
Amazon UK
Release Date
13 July 2013
Listed Since
25 January 2011

Barcode

No barcode data available

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