£103.44

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

£103 today · previous high £103 · all-time low £91

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 9.5 In, Flange Length: 1.75 In, Shape: Round Tapered, RU-5045

Amazon

Price History & Forecast

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

Last 13 days · 13 data points (no recent data)

Historical
Generating forecast…
£103.44 £89.51 £92.55 £95.59 £98.63 £101.67 £104.71 11 August 2026 14 August 2026 17 August 2026 20 August 2026 23 August 2026
View at Amazon ↗

RU-5045

Price data last checked 78 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 13 days • 2 price levels

Days at Price
Current Price
11 days 2 days · current 0 3 6 8 11 £91 £103 Days at Price

Price Analysis

Most common price: £91 (11 days, 84.6%)

Price range: £91 - £103

Price levels: 2 different prices over 13 days

Key Features

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contamits

CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)

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
RU-5045
Domain
Amazon UK
Release Date
21 October 2015
Listed Since
07 August 2012

Barcode

No barcode data available

Similar Products You Might Like

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
94% 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 Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3 In, Filter Height: 5 In, Flange Length: 0.625 In, Shape: Round, RU-2430
93% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3 In, Filter Height: 5 In, Flange Length: 0.625 In, Shape: Round, RU-2430

K&N

£50.94 23 Aug 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3.5 In, Filter Height: 5.625 In, Flange Length: 0.625 In, Shape: Round, RU-5114
93% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 3.5 In, Filter Height: 5.625 In, Flange Length: 0.625 In, Shape: Round, RU-5114

K&N

£72.95 31 Aug 2026
K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-1820
92% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Oval Straight, RU-1820

K&N

£62.79 23 Aug 2026
K&N Universal Oval/Conical Air Filter 114mm flange, 149mm base, 83mm x 114mm top, 203mm height (RU-1021)
92% 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
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
92% 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 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
92% 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 Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.125 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Oval Straight, RC-2890
92% match

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2.125 In, Filter Height: 4 In, Flange Length: 0.625 In, Shape: Oval Straight, RC-2890

K&N

£55.70 23 Aug 2026
K&N Universal Conical Air Filter 105mm flange, 187mm base, 178mm top, 292mm height with stud (RU-5181)
90% match

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

K&N

£236.82 31 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
89% 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 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
89% 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 Oval Air Filter Assembly: High Performance, Premium, Washable, Replacement Engine Filter: Shape: Oval, 66-1570
88% match

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

K&N

Price unavailable
K&N Universal Conical Air Filter 127mm flange, 216mm base, 127mm top, 267mm height (RU-5302)
88% 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 Conical Air Filter 152mm flange, 190mm base, 178mm Top with stud, 203mm height (RU-3540)
87% 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 Black Universal Dryflow Round Air Filter 73mm flange, 102mm outside diameter, 152mm height (RU-3117HBK)
87% 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 Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3322
86% match

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3322

K&N

£53.35 31 Aug 2026
Universal Clamp-On Air Filter
86% match

Universal Clamp-On Air Filter

K&N

£42.27 28 Oct 2026
K&N 33-3191 Replacement Air Filter
86% match

K&N 33-3191 Replacement Air Filter

K&N

£52.19 20 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 custom-fit
86% match

K&N Replacement Air Filter custom-fit

K&N

£79.99 30 Aug 2026
K&N Universal Clamp-On Air Filter
86% match

K&N Universal Clamp-On Air Filter

K&N

£45.78 28 Oct 2026
K&N Advantage Long life Air filter KNA-5046
85% match

K&N Advantage Long life Air filter KNA-5046

K&N

£35.72 03 Nov 2026
K&N Engine Air Filter: High Performance, Premium Washable Replacement Filter: Compatible with 1991-2004 Toyota L4/V6/V8 (Land Cruiser, Tacoma, 4 Runner, Supra, Chaser, Soarer, Supra, Mark II) 33-2054
85% match

K&N Engine Air Filter: High Performance, Premium Washable Replacement Filter: Compatible with 1991-2004 Toyota L4/V6/V8 (Land Cruiser, Tacoma, 4 Runner, Supra, Chaser, Soarer, Supra, Mark II) 33-2054

K&N

£58.00 29 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