---
product_id: 35444203
title: "Uni Air Filter NU-4132ST"
brand: "4into1"
price: "C$2203"
currency: NIO
in_stock: true
reviews_count: 8
url: https://www.desertcart.ni/products/35444203-uni-air-filter-nu-4132st
store_origin: NI
region: Nicaragua
---

# Easy, complete cleaning Multi-stage dual foam layers Ultra Seal base with Grease Groove Uni Air Filter NU-4132ST

**Brand:** 4into1
**Price:** C$2203
**Availability:** ✅ In Stock

## Summary

> 🏁 Race-Ready Airflow, Clean and Mean!

## Quick Answers

- **What is this?** Uni Air Filter NU-4132ST by 4into1
- **How much does it cost?** C$2203 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/35444203-uni-air-filter-nu-4132st)

## Best For

- 4into1 enthusiasts

## Why This Product

- Trusted 4into1 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Layer Defense:** Two-stage foam design lets you service each layer separately for peak performance
- • **Champion’s Choice:** Top-selling air filter trusted by competition motorcycle and ATV riders
- • **Effortless Maintenance:** Unique design enables quick, thorough cleaning to keep your ride fresh
- • **Tear-Resistant Ultra Seal:** Thin yet durable base with built-in grease groove ensures long-lasting protection
- • **Precision Fit, Zero Hassle:** Fits factory air box exactly like the original for seamless installation

## Overview

The Uni Air Filter NU-4132ST is a high-performance, multi-stage air filter designed for competition motorcycles and ATVs. Featuring a dual-layer foam system and a tear-resistant Ultra Seal base with a grease groove, it fits perfectly in the factory air box and allows for easy, complete cleaning. This best-selling replacement filter ensures optimal airflow and protection, making it the go-to choice for serious riders.

## Description

UNI Part #NU-4132STMulti-Stage Competition Air FilterDesigned to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition motorcycles and ATVsUnique two stage design allows for easy and complete cleaningDual layer of foam, can be serviced separatelyThin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"Package Quantity = 1

## Features

- New

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UNI |
| Brand | 4into1 |
| Item Weight | 0.634 ounces |
| Product Dimensions | 9 x 5 x 5 inches |
| Item model number | NU-4132ST |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | NU-4132ST |
| OEM Part Number | NU-4132ST |

## Product Details

- **Brand:** 4into1
- **OEM Part Number:** NU-4132ST
- **Manufacturer:** UNI
- **Automotive Fit Type:** Vehicle Specific Fit
- **UPC:** 182682862760

## Images

![Uni Air Filter NU-4132ST - Image 1](https://m.media-amazon.com/images/I/81s3+HYaEdL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Customer service
*by B***G on April 3, 2021*

Super fast shipping!!! Great air filter plus you get two UNI decals for your bike👍

### ⭐⭐⭐⭐⭐ Just right
*by J***A on October 9, 2024*

Exactly like photos and fight just like it was measured and made for it .

### ⭐⭐⭐⭐⭐ Fits perfectly on a 99 XR100R
*by M***. on July 4, 2022*

Fits perfectly on the stock air filter cage. Just make sure you oil the heck out of it

## Frequently Bought Together

- Uni Air Filter NU-4132ST
- Wings NGK Spark Plug CR7HSA XR80 XR100 XR CRF80 CRF Pack of 2
- Carburetor Compatible with HONDA XR100 (1981-1984), XR100R (1985-2003), CRF100F (2004-2007) （Fits：XR100 XR100R CRF100F）

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**Shop now:** [https://www.desertcart.ni/products/35444203-uni-air-filter-nu-4132st](https://www.desertcart.ni/products/35444203-uni-air-filter-nu-4132st)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-17*