£88.90

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3640

Rot, E-3640

Price data last checked 71 day(s) ago - refreshing...

View at Amazon

Price History & Forecast

Last 20 days • 20 data points (No recent data available)

Historical
Generating forecast...
£88.90 £84.46 £86.23 £88.01 £89.79 £91.57 £93.35 20 January 2026 24 January 2026 29 January 2026 03 February 2026 08 February 2026

Price Distribution

Price distribution over 20 days • 1 price levels

Days at Price
20 days 0 5 10 15 20 £89 Days at Price

Price Analysis

Most common price: £89 (20 days, 100.0%)

Price range: £89 - £89

Price levels: 1 different prices over 20 days

Description

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 or outdoor power small engine. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. 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 Percent more airflow than disposable paper filters to increase power and acceleration; clogged or dirty air filters can reduce your vehicles acceleration by up to 10 Percent

Easy installation: Pre-oiled and ready to drop into your factory air box; upgrades for your vehicle for quick performance gains

Protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product Specifications

Brand
K&N
Model
E-3640
Colour
Rot
Format
Automotive
Domain
Amazon UK
Release Date
13 July 2013
Listed Since
07 August 2012

Barcode

No barcode data available

Similar Products You Might Like

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3660
99% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3660

K&N

£115.60 07 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3500
99% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3500

K&N

£86.88 08 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3745
99% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3745

K&N

£86.35 13 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3038
99% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3038

K&N

£47.27 11 Apr 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3717
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3717

K&N

£66.79 13 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3009
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3009

K&N

£65.83 04 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3210
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3210

K&N

£62.25 10 Mar 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3978XD
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3978XD

K&N

£128.98 07 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3011
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3011

K&N

£49.45 06 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3450
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3450

K&N

£71.98 24 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3804
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3804

K&N

£101.99 29 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3403
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3403

K&N

£51.33 11 Apr 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3260
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3260

K&N

£64.96 12 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3760
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3760

K&N

£70.50 13 Dec 2025
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3402
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3402

K&N

£57.48 11 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3650
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3650

K&N

£74.91 12 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3390
98% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3390

K&N

£54.85 31 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3340
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3340

K&N

£42.61 11 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3140
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3140

K&N

£48.35 15 Apr 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3976XD
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3976XD

K&N

£142.67 29 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3442
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3442

K&N

£46.17 24 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3200
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3200

K&N

£45.98 19 Apr 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730

K&N

£63.26 25 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3471
97% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3471

K&N

£80.05 22 Jan 2026