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£105.12
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3 In, Filter Height: 4.625 In, Flange Length: 0.875 In, Shape: Round Tapered, RX-3900-1
RX-3900-1
Price data last checked 10 day(s) ago - will refresh soon
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About as cheap as it gets. The only time it was cheaper was 3 months ago.
£105 today · all-time low £104 (Apr 2026) · usually £106
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Price History & Forecast
Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.
Last 81 days · 81 data points (no recent data)
Price Distribution
Price distribution over 81 days • 4 price levels
Price Analysis
Most common price: £107 (31 days, 38.3%)
Price range: £104 - £107
Price levels: 4 different prices over 81 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.
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
- RX-3900-1
- ASIN
- B000CO9XLQ
- Domain
- Amazon UK
- Release Date
- 15 October 2015
- Listed Since
- 25 January 2011
Barcode
No barcode data available
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