---
product_id: 32590054
title: "4721 Mass Air Flow Sensor Cleaner - 10 oz."
brand: "johnsen's"
price: "$45.19"
currency: USD
in_stock: true
category: "Johnsen's"
url: https://www.desertcart.ec/products/32590054-4721-mass-air-flow-sensor-cleaner-10-oz
store_origin: EC
region: Ecuador
---

# 10 fl oz precision formula Fits standard MAF sensors Made in USA quality 4721 Mass Air Flow Sensor Cleaner - 10 oz.

**Brand:** johnsen's
**Price:** $45.19
**Availability:** ✅ In Stock

## Summary

> ⚡ Clean your airflow, power your drive!

## Quick Answers

- **What is this?** 4721 Mass Air Flow Sensor Cleaner - 10 oz. by johnsen's
- **How much does it cost?** $45.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/32590054-4721-mass-air-flow-sensor-cleaner-10-oz)

## Best For

- johnsen's enthusiasts

## Why This Product

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

## Key Features

- • **Easy Application:** Compact 2.7" x 2.6" bottle designed for quick, mess-free use in any garage
- • **Highly Rated & Proven:** 4.6-star rating from 700+ users proves it’s the go-to choice for pros and enthusiasts alike
- • **Boost Engine Efficiency:** Removes dirt and grime to restore accurate airflow readings and optimize performance
- • **Precision Cleaning Power:** Specially formulated 10 oz spray targets delicate MAF sensors without damage
- • **Trusted American Craftsmanship:** Proudly made in the USA ensuring top-tier quality and reliability

## Overview

Johnsen's 4721 Mass Air Flow Sensor Cleaner is a 10-ounce, precision-engineered spray designed to safely and effectively clean MAF sensors. Made in the USA, this trusted formula helps restore sensor accuracy, improving engine performance and fuel efficiency. Compact and easy to use, it’s a top-rated choice among automotive professionals and enthusiasts.

## Description

JOHNSEN'S MASS AIR FLOW SENSOR CLEANER 10 OZ

## Features

- Package Dimensions: 6.604 cms (L) x 6.858 cms (W) x 6.604 cms (H)
- Product Type: Auto Accessory
- Package Quantity: 1
- Country Of Origin: United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00C872M5O |
| Best Sellers Rank | #110,453 in Automotive ( See Top 100 in Automotive ) #361 in Engine & Parts Fluid Cleaners #5,653 in Car Care |
| Brand Name | Johnsen's |
| Customer Reviews | 4.6 4.6 out of 5 stars (702) |
| Global Trade Identification Number | 00039101006147 |
| Item Dimensions W x H | 2.7"W x 2.6"H |
| Item Weight | 10 ounces |
| Manufacturer | Johnsen's |
| Manufacturer Part Number | 4721 |
| Model Number | 4721 |
| Number of Pieces | 1 |
| UPC | 039101006147 |
| Unit Count | 10 Ounce |
| Volume | 10 fluid ounces |
| Warranty Description | check with manufacturer Regulararding warranty and support issues. |

## Product Details

- **Brand:** Johnsen's
- **Global Trade Identification Number:** 00039101006147
- **Item Weight:** 10 ounces
- **Manufacturer:** Johnsen's
- **Product Dimensions:** 2.7"W x 2.6"H

## Images

![4721 Mass Air Flow Sensor Cleaner - 10 oz. - Image 1](https://m.media-amazon.com/images/I/71P9HL7lO0L.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.ec/products/32590054-4721-mass-air-flow-sensor-cleaner-10-oz](https://www.desertcart.ec/products/32590054-4721-mass-air-flow-sensor-cleaner-10-oz)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-09-20*