---
product_id: 52664703
title: "Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD"
brand: "k&n"
price: "€ 89.13"
currency: EUR
in_stock: true
category: "K&N"
url: https://www.desertcart.at/products/52664703-universal-clamp-on-air-filter-high-performance-premium-washable-replacement
store_origin: AT
region: Austria
---

# 50% more airflow Clamp-on easy install Washable & reusable Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD

**Brand:** k&n
**Price:** € 89.13
**Availability:** ✅ In Stock

## Summary

> 💨 Power your ride, protect your engine, and join the elite airflow club!

## Quick Answers

- **What is this?** Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD by k&n
- **How much does it cost?** € 89.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/52664703-universal-clamp-on-air-filter-high-performance-premium-washable-replacement)

## Best For

- k&n enthusiasts

## Why This Product

- Trusted k&n brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Champion:** Washable and reusable filter reduces waste and supports sustainability.
- • **Effortless Upgrade:** Pre-oiled, clamp-on design for a quick, tool-free install under 5 minutes.
- • **Unleash Engine Power:** Boost acceleration with 50% more airflow than standard filters.
- • **Save Big, Drive Smart:** Save $250 over 10 years by ditching disposable filters.
- • **Race-Proven Reliability:** NASCAR official air filter—track-tested durability and protection.

## Overview

The K&N Universal Clamp-On Air Filter (RG-1001RD) is a premium, washable replacement filter engineered to deliver up to 50% more airflow, enhancing vehicle acceleration and engine performance. Featuring a simple clamp-on installation and pre-oiled media, it offers a cost-effective, eco-friendly upgrade that lasts over 50,000 miles before cleaning. Trusted by NASCAR and made in America, this round tapered filter fits universally with a 4-inch flange diameter, combining race-tested durability with everyday driving benefits.

## Description

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD : desertcart.co.uk: Business, Industry & Science

## 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.
- SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
- ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
- WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
- LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
- HIGH QUALITY: Made in America.
- RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
- Die Fahrzeuge für die dieses Produkt geeignet ist finden Sie in der Produktbeschreibung.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00AFRIVNQ |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 59,456 in Automotive ( See Top 100 in Automotive ) 374 in Car Air Engine Air Filters |
| Brand Name | K&N |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,060) |
| EU Spare Part Availability Duration | 1 Years |
| Fit Type | Universal Fit |
| Global Trade Identification Number | 00024844313317 |
| Item Dimensions L x W x H | 15.2L x 15.2W x 16.9H centimetres |
| Item Shape | Round |
| Item Type Name | K&N RG-Serie Universal air-Filter with 3 Installation diameters Red (RG-1001RD) |
| Item Weight | 784 g |
| Manufacturer | KN Filters Inc. |
| Manufacturer Part Number | RG-1001RD |
| Manufacturer Warranty Description | 12 Months |
| Model Number | RG-1001RD |
| Number of Items | 1 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | RG-1001RD |
| Product Grade | Replacement Part |
| UPC | 024844313317 |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** K&N
- **EU Spare Part Availability Duration:** 1 Years
- **Fit type:** Universal Fit
- **Product dimensions:** 15.2L x 15.2W x 16.9H centimetres
- **Product grade:** Replacement Part

## Images

![Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD - Image 1](https://m.media-amazon.com/images/I/81fmmwwrPCL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Once air box is removed, where does the sensor thats on the air box go?**
A: If you are upgrading a standard air box as well as the filter you will need an inlet pipe and the sensor would insert along this pipe.

**Q: Well this fit 07 focus**
A: Yes with reducers

**Q: Does this come with adapter clips?**
A: it comes with 3 option reducers for various intake pipe diameters ( if you need to know what these are i'm pretty sure I saw them online).

**Q: Will this fit 2009 Mk2 focus tdci please?**
A: Just measure the diameter of the inlet pipe to which the filter will be fitted, then make sure that's the same or less than the maximum diameter of the filter's fitting.

## Frequently Bought Together

- K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium: Flange Diameter: 4 In, Filter Height: 5.5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD
- TCMI Air Filter Cover for Car Cold Air Intake Filter Cover Wrap Dustproof, Air Intake Filter Sock Cover for Harley Touring, Universal for High Flow Air Intake Filters (S)
- K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000, Multi

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.at/products/52664703-universal-clamp-on-air-filter-high-performance-premium-washable-replacement](https://www.desertcart.at/products/52664703-universal-clamp-on-air-filter-high-performance-premium-washable-replacement)

---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-10-23*