---
product_id: 1891533
title: "K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2"
brand: "k&n"
price: "37.34 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/1891533-k-and-n-high-flow-original-lifetime-engine-air-filter
store_origin: OM
region: Oman
---

# Boosts horsepower & acceleration +50% Washable & reusable, eco-friendly design Lifetime durability with premium materials K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2

**Brand:** k&n
**Price:** 37.34 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Drive smarter, cleaner, and faster—join the elite airflow revolution!

## Quick Answers

- **What is this?** K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 by k&n
- **How much does it cost?** 37.34 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/1891533-k-and-n-high-flow-original-lifetime-engine-air-filter)

## 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-Smart Upgrade:** Washable and reusable filter reduces waste—clean only once every 75,000 miles.
- • **Unleash Engine Power:** Increase airflow by up to 50% for sharper acceleration and peak performance.
- • **Effortless Installation:** Pre-treated and designed for a seamless drop-in fit—upgrade your ride in minutes.
- • **Built to Last a Lifetime:** Premium cotton gauze with 4-layer protection ensures rugged durability and longevity.
- • **Trusted Quality, Made in USA:** Backed by a limited lifetime warranty and engineered on world-class race tracks.

## Overview

The K&N High-Flow Original Lifetime Engine Air Filter is a premium, washable air filter engineered to boost engine horsepower and acceleration by increasing airflow up to 50%. Designed with four layers of cotton gauze media, it traps harmful contaminants while lasting the lifetime of your vehicle with minimal maintenance—clean only every 75,000 miles. Compatible with select 1981-2021 Faw, Ford, Infiniti, and Nissan models, this eco-friendly upgrade is easy to install, proudly made in the USA, and backed by a limited lifetime warranty.

## Description

K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2

## Features

- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 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 contaminants
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (based on the average miles driven per year of 15,000 miles)
- ULTIMATE LONGEVITY: No-hassle limited lifetime warranty on stock replacement K&N air filters- limitations apply
- EASY INSTALLATION: K&N Air Filters are pre-treated and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- ECO-FRIENDLY: Using a washable, reusable engine air filter helps reduce replacement air filter waste- a K&N air filter is designed to last longer than 10 or more disposable filters
- MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | K&N |
| Product Dimensions | 13.5"L x 7.75"W x 1.75"H |
| OEM Part Number | 16546AA020, 1N0013Z40, 894132687, 894516143, 92041796 |
| Global Trade Identification Number | 00024844071873 |
| Shape | Panel |
| Manufacturer | K&N Engineering |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 024844071873 |
| Model | High-Flow Engine Air Filter |
| Item Weight | 10.6 ounces |
| Item model number | 33-2031-2 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 33-2031-2 |
| Safety Rating | Não aplicável |
| National Stock Number | 4310-01-587-4070 |

## Product Details

- **Brand:** K&N
- **Product Dimensions:** 13.5"L x 7.75"W x 1.75"H
- **OEM Part Number:** 16546AA020, 1N0013Z40, 894132687, 894516143, 92041796
- **Global Trade Identification Number:** 00024844071873
- **Shape:** Panel

## Images

![K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 - Image 1](https://m.media-amazon.com/images/I/81uDi6yXInL.jpg)
![K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 - Image 2](https://m.media-amazon.com/images/I/81J08NhHSAL.jpg)
![K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 - Image 3](https://m.media-amazon.com/images/I/31td3au9hhL.jpg)
![K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 - Image 4](https://m.media-amazon.com/images/I/51rtqvnS5-L.jpg)
![K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2 - Image 5](https://m.media-amazon.com/images/I/91Me27G9TzL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this filter fits ford explorer 2004**
A: This filter was built for nissan maxima 2001. You should go on the website and see which one fits the specific vehicle you are looking for.

**Q: Does it fit 2000 Nissan Xterra?**
A: Fits 2003 Xterra with super charger

**Q: Does this fit a 2020 nissan frontier? I am having no luck finding anything for the 2020 version.**
A: Don’t know if you found it or not but it’s the same air filter size as the old 4.0l engine so a 2019 frontier air filter k&n will fit on the 2020-2022. I know cuz I had a 2020 and now have the 2022 frontier and that’s the filter I’m using. Hope that helps anyone.

**Q: Will it fit a 2018 Infiniti QX60?**
A: If it's a 3,5 liter, the air box should accommodate it. We have a 2014 QX60 and it worked.

## Frequently Bought Together

- K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 1981-2021 Faw/Ford/Infiniti/Nissan: (See product Description for Select Models) 33-2031-2
- K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000, Multi

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**Shop now:** [https://www.desertcart.com.om/products/1891533-k-and-n-high-flow-original-lifetime-engine-air-filter](https://www.desertcart.com.om/products/1891533-k-and-n-high-flow-original-lifetime-engine-air-filter)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-20*