£45.52

This is the most expensive it has ever been. Walk away.

£46 today · previous high £46 · all-time low £45

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.4375 In, Filter Height: 3.5 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-3780

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 64 days · 64 data points (no recent data)

Historical
Generating forecast…
£45.52 £45.18 £45.25 £45.33 £45.40 £45.48 £45.55 23 July 2026 07 August 2026 23 August 2026 08 September 2026 24 September 2026
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RU-3780

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Price Distribution

Price distribution over 64 days • 1 price levels

Days at Price
64 days 0 16 32 48 64 £45 Days at Price

Price Analysis

Most common price: £45 (64 days, 100.0%)

Price range: £45 - £45

Price levels: 1 different prices over 64 days

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-3780
Domain
Amazon UK
Release Date
21 October 2015
Listed Since
07 August 2012

Barcode

No barcode data available

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