£236.82

It has never been this cheap. We have no record of a lower price.

£237 today · cheaper than every other day in the last 3 months

K&N Universal Conical Air Filter 105mm flange, 187mm base, 178mm top, 292mm height with stud (RU-5181)

View at Amazon

Price History & Forecast

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

Last 21 days · 21 data points (no recent data)

Historical
Generating forecast…
£236.82 £224.98 £229.72 £234.45 £239.19 £243.92 £248.66 11 August 2026 16 August 2026 21 August 2026 26 August 2026 31 August 2026
View at Amazon ↗

Red, RU-5181

Price data last checked 70 day(s) ago - refreshing...

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 21 days • 1 price levels

Days at Price
21 days 0 5 11 16 21 £237 Days at Price

Price Analysis

Most common price: £237 (21 days, 100.0%)

Price range: £237 - £237

Price levels: 1 different prices over 21 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 Grade

Designed to improve vehicle performance

Product Specifications

Brand
K&N
Model
RU-5181
Colour
Red
Domain
Amazon UK
Release Date
10 June 2022
Listed Since
19 July 2022

Barcode

No barcode data available

Similar Products You Might Like

K&N Universal Conical Air Filter 152mm flange, 190mm base, 178mm Top with stud, 203mm height (RU-3540)
95% match

K&N Universal Conical Air Filter 152mm flange, 190mm base, 178mm Top with stud, 203mm height (RU-3540)

K&N

£115.35 26 Oct 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 4 In, Flange Length: 0.75 In, Shape: Round Tapered, RC-5128
94% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.75 In, Filter Height: 4 In, Flange Length: 0.75 In, Shape: Round Tapered, RC-5128

K&N

Price unavailable
K&N Universal Conical Air Filter 127mm flange, 216mm base, 127mm top, 267mm height (RU-5302)
94% match

K&N Universal Conical Air Filter 127mm flange, 216mm base, 127mm top, 267mm height (RU-5302)

K&N

£141.99 31 Oct 2026
K&N Universal Oval/Conical Air Filter 114mm flange, 149mm base, 83mm x 114mm top, 203mm height (RU-1021)
94% match

K&N Universal Oval/Conical Air Filter 114mm flange, 149mm base, 83mm x 114mm top, 203mm height (RU-1021)

K&N

£97.60 29 Aug 2026
Universal Clamp-On Air Filter
93% match

Universal Clamp-On Air Filter

K&N

£42.27 28 Oct 2026
K&N Universal Clamp-On Air Filter
93% match

K&N Universal Clamp-On Air Filter

K&N

£45.78 28 Oct 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 4 In, Filter Height: 8.9375 In, Flange Length: 1.875 In, Shape: Oval Straight, RC-5102
91% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 4 In, Filter Height: 8.9375 In, Flange Length: 1.875 In, Shape: Oval Straight, RC-5102

K&N

£165.77 27 Oct 2026
K&N Universal Air Filter - Carbon Fiber Top: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 6 In, Filter Height: 5 In, Flange Length: 1 In, Shape: Tapered Conical, RP-2960
90% match

K&N Universal Air Filter - Carbon Fiber Top: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 6 In, Filter Height: 5 In, Flange Length: 1 In, Shape: Tapered Conical, RP-2960

K&N

£68.99 03 Nov 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 6 In, Flange Length: 1 In, Shape: Round Tapered, RU-3102HBK
90% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 6 In, Flange Length: 1 In, Shape: Round Tapered, RU-3102HBK

K&N

£88.90 31 Aug 2026
K&N Oval Air Filter Assembly: High Performance, Premium, Washable, Replacement Engine Filter: Shape: Oval, 66-1570
89% match

K&N Oval Air Filter Assembly: High Performance, Premium, Washable, Replacement Engine Filter: Shape: Oval, 66-1570

K&N

Price unavailable
K&N Black Universal Dryflow Round Air Filter 73mm flange, 102mm outside diameter, 152mm height (RU-3117HBK)
88% match

K&N Black Universal Dryflow Round Air Filter 73mm flange, 102mm outside diameter, 152mm height (RU-3117HBK)

K&N

£61.99 24 Oct 2026
K&N Air Filter 33-3192
86% match

K&N Air Filter 33-3192

K&N

£62.25 04 Nov 2026
K&N Replacement Air Filter
86% match

K&N Replacement Air Filter

K&N

£355.65 29 Aug 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.9375 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round Tapered, RC-1060
85% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.9375 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round Tapered, RC-1060

K&N

£36.27 23 Oct 2026
K & N Universal knrp-2960 Air Filter
85% match

K & N Universal knrp-2960 Air Filter

K&N

£99.82 27 Oct 2026
K&N Replacement Air Filter custom-fit
85% match

K&N Replacement Air Filter custom-fit

K&N

£79.99 30 Aug 2026
K&N Vent Air Filter/Breather: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1.5 In, Flange Length: 1 In, Shape: Breather, 62-1130
84% match

K&N Vent Air Filter/Breather: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1.5 In, Flange Length: 1 In, Shape: Breather, 62-1130

K&N

£31.45 04 Nov 2026
CC-501-60 - 60mm ID Neck - Polymer Base Neck Cone Air Filter - Universal
83% match

CC-501-60 - 60mm ID Neck - Polymer Base Neck Cone Air Filter - Universal

Ramair Filters

£40.22 21 Oct 2026
K & N KN81 – 0220 Stainless Mesh Fuel Filter, 1/4 flg, 1.25 l
82% match

K & N KN81 – 0220 Stainless Mesh Fuel Filter, 1/4 flg, 1.25 l

K&N

Price unavailable
K & N knrp-5113 Air Filter
82% match

K & N knrp-5113 Air Filter

K&N

£73.69 04 Nov 2026
K&N Cabin Air Filter VF3027
82% match

K&N Cabin Air Filter VF3027

K&N

£56.92 04 Nov 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with BRIGGS & STRAT/JOHN DEERE (405700, 406700, 407700, Z425), 33-2240
82% match

K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with BRIGGS & STRAT/JOHN DEERE (405700, 406700, 407700, Z425), 33-2240

K&N

£42.47 31 Oct 2026
K & N Universal knrp-4600 Air Filter
82% match

K & N Universal knrp-4600 Air Filter

K&N

£138.54 27 Oct 2026
K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1998-2007 Chevy/Pontiac (Camaro, Firebird), 33-2118
82% match

K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1998-2007 Chevy/Pontiac (Camaro, Firebird), 33-2118

K&N

£67.99 27 Oct 2026