£76.72

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 9.5 In, Flange Length: 1.6875 In, Shape: Round Tapered, RC-4780

Red, RC-4780

Engine Air Filters

About as cheap as it gets. The only time it was cheaper was 1 month ago.

£77 today · all-time low £77 (Aug 2026) · usually £78

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Price History & Forecast

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Last 83 days · 83 data points (no recent data)

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Price distribution over 83 days • 5 price levels

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Most common price: £79 (23 days, 27.7%)

Price range: £77 - £89

Price levels: 5 different prices over 83 days

Description

K&N Universal compression air filters are manufactured for a variety of applications and unique filter requirements. K&N Performance High Flow Air Filters are designed to improve engine performance by increasing airflow. Unlike disposable paper filters that require frequent replacement, K&N air filters are washable, reusable, and engineered to last a vehicle life. These versatile filters are equipped with ultra-strong, molded, pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone) and oval designs, K&N offers thousands of clamp filters in a variety of shapes and sizes suitable for many precise applications. Join the millions of customers who have saved money and improved vehicle performance by converting to K&N filtration.

Key Features

DEVELOPED POWER: State-of-the-art air filter media are designed to increase performance and acceleration and improve the overall performance of the engine

6 layers of protection: several layers of high-quality cotton gauze treated with a specially developed adhesive together form an intricate mesh of motor filter media that blocks and traps harmful impurities

ROBUST CONSTRUCTION: K&N air filters are made with durable, high quality materials and state of the art construction methods to last a lifetime

CLEANING ONCE EVERY 5 YEARS The engine air filter only needs to be cleaned every 75,000 miles under normal road driving conditions (5 years based on the average miles driven per year of 15,000 miles).

EASY INSTALLATION K&N air filters are pre-oiled and ready to be inserted into your factory air filter box. They are among the simplest and most cost-effective vehicle upgrades for quick performance gains

UNIVERSAL FEATURES: Designed for use in a variety of applications

Reduces waste: over 200 million disposable air filters and their packaging waste ends up in landfills every year - reusable filters help reduce waste in our landfills

Worry-free warranty: 1 year limited warranty

Product Specifications

Brand: K&N
Model: RC-4780
Colour: Red
ASIN: B000CO84CA
Category: Automotive > Car Parts > Filters > Air Filters > Engine Air Filters
Domain: Amazon UK
Release Date: 10 May 2016
Listed Since: 07 August 2012

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K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 9.5 In, Flange Length: 1.6875 In, Shape: Round Tapered, RC-4780

About as cheap as it gets. The only time it was cheaper was 1 month ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

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