---
product_id: 319279084
title: "Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2002-2012 MAZDA/FAW (6, Atenza, FAW Ruiyi, MPV, FAW 6, Pentium B50, Pentium B70), 33-2278"
brand: "k&n"
price: "S$88"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/319279084-engine-air-filter-high-performance-premium-washable-replacement-filter-compatible
store_origin: SG
region: Singapore
---

# 50% more airflow Eco-friendly & reusable $250 savings over 10 years Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2002-2012 MAZDA/FAW (6, Atenza, FAW Ruiyi, MPV, FAW 6, Pentium B50, Pentium B70), 33-2278

**Brand:** k&n
**Price:** S$88
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with K&N—Performance Meets Sustainability!

## Quick Answers

- **What is this?** Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2002-2012 MAZDA/FAW (6, Atenza, FAW Ruiyi, MPV, FAW 6, Pentium B50, Pentium B70), 33-2278 by k&n
- **How much does it cost?** S$88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/319279084-engine-air-filter-high-performance-premium-washable-replacement-filter-compatible)

## 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

- • **Engineered Power:** Boosts acceleration by up to 10% with superior airflow.
- • **Easy Installation:** Pre-oiled and ready to drop in—no tools required!
- • **Ultimate Longevity:** 10-Year/Million Mile Limited Warranty for peace of mind.
- • **Eco-Conscious Choice:** Washable design reduces waste and supports sustainability.
- • **Cost-Effective Upgrade:** One of the simplest ways to enhance your vehicle's performance.

## Overview

The K&N Engine Air Filter (Model 33-2278) is a high-performance, washable replacement filter designed for various Mazda and FAW models from 2002 to 2012. It offers a 10-Year/Million Mile Limited Warranty, enhances airflow by up to 50%, and is an eco-friendly choice that saves you money over time.

## Description

K&NEngine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2002-2012 MAZDA/FAW (6, Atenza, FAW Ruiyi, MPV, FAW 6, Pentium B50, Pentium B70), 33-2278

## Features

- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- 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 ready to drop into your factory air box; 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | K&N |
| Brand | K&N |
| Model | 33-2278 |
| Product Dimensions | 34.29 x 19.69 x 4.45 cm; 448.47 g |
| Item model number | 33-2278 |
| Exterior | Heather Red |
| Manufacturer Part Number | 33-2278 |
| OEM Part Number | RF4F13Z40, RF4F13Z409A, RF4R13Z40, RF4RF13Z40, RF7F13Z40, RFZA13Z40A9U |
| Item Weight | 448 g |

## Product Details

- **Product grade:** Performance Part
- **Brand:** K&N
- **Fit type:** Custom Fit
- **Product dimensions:** 34.3L x 19.7W x 4.5H centimeters
- **OEM part number:** RF4F13Z40, RF4F13Z409A, RF4R13Z40, RF4RF13Z40, RF7F13Z40, RFZA13Z40A9U

## Images

![Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 2002-2012 MAZDA/FAW (6, Atenza, FAW Ruiyi, MPV, FAW 6, Pentium B50, Pentium B70), 33-2278 - Image 1](https://m.media-amazon.com/images/I/71hMzgcaDnL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/319279084-engine-air-filter-high-performance-premium-washable-replacement-filter-compatible](https://www.desertcart.sg/products/319279084-engine-air-filter-high-performance-premium-washable-replacement-filter-compatible)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-08*