---
product_id: 142915816
title: "FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap"
brand: "filterwears"
price: "€ 47.86"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/142915816-filterwears-pre-filter-k409k-for-k-and-n-air-filter
store_origin: PT
region: Portugal
---

# Extended service life Heat resistant Debris barrier FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap

**Brand:** filterwears
**Price:** € 47.86
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Filter Game!

## Quick Answers

- **What is this?** FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap by filterwears
- **How much does it cost?** € 47.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/142915816-filterwears-pre-filter-k409k-for-k-and-n-air-filter)

## Best For

- filterwears enthusiasts

## Why This Product

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

## Key Features

- • **Heat Mastery:** Handles extreme temperatures up to 450°F.
- • **Easy Installation:** Designed with straps for quick and hassle-free setup.
- • **Ultimate Protection:** Keeps your high-performance filter free from dirt, debris, and water.
- • **Maximize Performance:** Reduces maintenance costs and extends filter service intervals.
- • **All-Weather Reliability:** No functionality loss in freezing temperatures.

## Overview

The FILTERWEARS Pre-Filter K409K is a high-performance accessory designed for K&N Air Filter RU-3101HBK. Made from durable 100% monofilament polyester, it effectively protects your filter from debris and water while extending its service life. With a hydrophobic fabric and heat resistance up to 450°F, this pre-filter ensures optimal performance in any condition, making maintenance a breeze.

## Description

Direct from manufacturer. Made in the USA.Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters.Black, round tapered pre-filterMeasurements: 5.25"T x 7.5"B x 7.5"HFits K&N Filter: RU-3101HBKFits K&N Intake Kits: 71-3082, 71-3070

## Features

- Reduces overall maintenance cost, Extends filter service intervals, Adds convenience, Extends the life of any filter exposed or not
- Keeps your high performance filter free of debris/dirt and water, Effective barrier for any particle bigger than .005 inches
- No reduction of functionality in freezing temperatures, Hydrophobic fabric is standard (water repellant), Handle heat up to 450 degrees Fahrenheit
- Made from 100% monofilament polyester, with straps at the base of pre-filter for easy installation
- Size: 5.25"T, 7.5"B, 7.5"H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FILTERWEARS |
| Brand | FILTERWEARS |
| Item Weight | 2 ounces |
| Item model number | RU-3101HBK |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | K409K |
| OEM Part Number | RU-3101HBK |

## Product Details

- **Brand:** FILTERWEARS
- **Product Dimensions:** 5.25"L x 7.5"W x 5.25"H
- **OEM Part Number:** RU-3101HBK
- **Shape:** Round
- **Manufacturer:** FILTERWEARS

## Images

![FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap - Image 1](https://m.media-amazon.com/images/I/51Ph1qQK0FL.jpg)
![FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap - Image 2](https://m.media-amazon.com/images/I/71Gfl0am-lL.jpg)

## Available Options

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

## Frequently Bought Together

- FILTERWEARS Pre-Filter K409K For K&N Air Filter RU-3101HBK Filter Wrap
- K&N Dryflow Lifetime Universal Clamp-On Air Filter: High Performance, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 7.5 In, Flange Length: 1 In, Shape: Round Tapered, RU-3101HBK

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**Shop now:** [https://www.desertcart.pt/products/142915816-filterwears-pre-filter-k409k-for-k-and-n-air-filter](https://www.desertcart.pt/products/142915816-filterwears-pre-filter-k409k-for-k-and-n-air-filter)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-23*