£102.25

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.4375 In, Filter Height: 6.5625 In, Flange Length: 2.9375 In, Shape: Round, RX-3800

Rot, RX-3800

Price data last checked 21 day(s) ago - will refresh soon

View at Amazon

Price History & Forecast

Last 70 days • 70 data points (No recent data available)

Historical
Generating forecast...
£102.25 £73.33 £79.64 £85.95 £92.26 £98.57 £104.88 22 January 2026 08 February 2026 25 February 2026 14 March 2026 01 April 2026

Price Distribution

Price distribution over 70 days • 4 price levels

Days at Price
19 days 31 days 7 days 13 days 0 8 16 23 31 £76 £94 £101 £102 Days at Price

Price Analysis

Most common price: £94 (31 days, 44.3%)

Price range: £76 - £102

Price levels: 4 different prices over 70 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

Custom fit

Premium brand

Designed to improve motor vehicle performance

Product Specifications
Brand
K&N
Model
RX-3800
Colour
Rot
ASIN
B00062Z408
Category
Automotive > Car Parts > Filters > Air Filters > Engine Air Filters
Domain
Amazon UK
Release Date
14 October 2015
Listed Since
25 January 2011

Barcode

No barcode data available

Similar Products You Might Like

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round, RX-2820
99% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round, RX-2820

K&N

£104.42 24 Mar 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 6.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4870
99% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 6.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4870

K&N

£121.72 05 Feb 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3 In, Filter Height: 6.5 In, Flange Length: 1.75 In, Shape: Round Tapered, RX-4730
98% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3 In, Filter Height: 6.5 In, Flange Length: 1.75 In, Shape: Round Tapered, RX-4730

K&N

£133.35 03 Apr 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 6.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4860
98% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 6.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4860

K&N

£145.00 10 Jan 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 5.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4950
98% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 5.5 In, Flange Length: 2 In, Shape: Round Tapered, RX-4950

K&N

£145.43 11 Jan 2026
K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1601
98% match

K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1601

K&N

£160.05 11 Jan 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.4375 In, Filter Height: 6.125 In, Flange Length: 0.875 In, Shape: Round, RX-3810XD
98% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 2.4375 In, Filter Height: 6.125 In, Flange Length: 0.875 In, Shape: Round, RX-3810XD

K&N

£92.87 31 Jan 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 3.9375 In, Filter Height: 3.625 In, Flange Length: 0.75 In, Shape: Round Tapered, RC-5057
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 3.9375 In, Filter Height: 3.625 In, Flange Length: 0.75 In, Shape: Round Tapered, RC-5057

K&N

£100.33 31 Jan 2026
K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1401XB
97% match

K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1401XB

K&N

£109.51 06 Jan 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 5.5 In, Flange Length: 2 In, Shape: Round Tapered, RU-4960XD
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 5.5 In, Flange Length: 2 In, Shape: Round Tapered, RU-4960XD

K&N

£72.58 17 Apr 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 3.188 In, Flange Length: 0.75 In, Shape: Round Tapered, RU-8100
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.5 In, Filter Height: 3.188 In, Flange Length: 0.75 In, Shape: Round Tapered, RU-8100

K&N

£51.94 11 Mar 2026
K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3.8125 In, Filter Height: 2.125 In, Flange Length: 0.75 In, Shape: Round, RX-4130-1
97% match

K&N Universal X-Stream Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 3.8125 In, Filter Height: 2.125 In, Flange Length: 0.75 In, Shape: Round, RX-4130-1

K&N

£123.95 29 Jan 2026
K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1101
97% match

K&N X-Stream Top Filter: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1 In, Shape: Round Lid, 66-1101

K&N

£106.70 01 Feb 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round Tapered, R-1080
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round Tapered, R-1080

K&N

£58.66 01 Mar 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 5.375 In, Filter Height: 5.125 In, Flange Length: 0.937 In, Shape: Round Straight, RU-5123
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Filter: Flange Diameter: 5.375 In, Filter Height: 5.125 In, Flange Length: 0.937 In, Shape: Round Straight, RU-5123

K&N

£200.50 23 Jan 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.5 In, Filter Height: 5.9375 In, Flange Length: 0.8125 In, Shape: Round Tapered, RC-9360
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.5 In, Filter Height: 5.9375 In, Flange Length: 0.8125 In, Shape: Round Tapered, RC-9360

K&N

£89.24 06 Feb 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-0981
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-0981

K&N

£71.15 13 Dec 2025
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Engine Filter: Flange Diameter: 2.4375 In, Filter Height: 6 In, Flange Length: 2 In, Shape: Round, RU-1770
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Engine Filter: Flange Diameter: 2.4375 In, Filter Height: 6 In, Flange Length: 2 In, Shape: Round, RU-1770

K&N

£56.69 05 Mar 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round, RC-1910
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round, RC-1910

K&N

£73.00 09 Mar 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.25 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round Tapered, R-1260
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.25 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round Tapered, R-1260

K&N

£62.78 22 Jan 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.75 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-2450
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.75 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-2450

K&N

£70.23 22 Jan 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3.5 In, Filter Height: 8 In, Flange Length: 1.25 In, Shape: Round Tapered, RC-4760
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3.5 In, Filter Height: 8 In, Flange Length: 1.25 In, Shape: Round Tapered, RC-4760

K&N

£96.00 06 Feb 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round, RU-0200
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 1.6875 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round, RU-0200

K&N

£59.72 24 Feb 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 2.25 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round, RU-0600
97% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 2.25 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Round, RU-0600

K&N

£60.24 11 Jan 2026