---
product_id: 32590054
title: "Johnsen's 4721 Mass Air Flow Sensor Cleaner - 10 oz."
brand: "johnsen's"
price: "5940 som"
currency: KGS
in_stock: true
reviews_count: 8
category: "Johnsen's"
url: https://www.desertcart.kg/products/32590054-johnsens-4721-mass-air-flow-sensor-cleaner-10-oz
store_origin: KG
region: Kyrgyzstan
---

# 10 oz precision spray Restores sensor accuracy Made in USA quality Johnsen's 4721 Mass Air Flow Sensor Cleaner - 10 oz.

**Brand:** johnsen's
**Price:** 5940 som
**Availability:** ✅ In Stock

## Summary

> ⚡ Clean your airflow, boost your drive!

## Quick Answers

- **What is this?** Johnsen's 4721 Mass Air Flow Sensor Cleaner - 10 oz. by johnsen's
- **How much does it cost?** 5940 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/32590054-johnsens-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

- • **Precision 10 oz Spray:** Compact size for easy, targeted cleaning
- • **FOMO-Free Engine Health:** Join thousands who cleared their check engine light without costly part replacements
- • **Multi-Use Power Cleaner:** Perfect for cars, lawn mowers, and snow blowers—versatility that saves you money
- • **Engineered for Sensor Revival:** Effectively removes contaminants to reset your MAF sensor
- • **Trusted American Craftsmanship:** Proudly made in the USA for reliable performance

## Overview

Johnsen's 4721 Mass Air Flow Sensor Cleaner is a 10 oz automotive-grade spray designed to safely and effectively clean MAF sensors, restoring engine performance and preventing check engine lights. Made in the USA, it’s trusted by thousands for reliable sensor maintenance across vehicles and outdoor equipment.

## Description

JOHNSEN'S MASS AIR FLOW SENSOR CLEANER 10 OZ

Review: try this before buying parts - bought product in hopes of eliminating troublesome check engine light...cleaned contacts and works perfectly...exactly as described
Review: Good - Works great

## 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 | #727,986 in Automotive ( See Top 100 in Automotive ) #826 in Engine & Parts Fluid Cleaners #14,620 in Car Care |
| Brand | Johnsen's |
| Brand Name | Johnsen's |
| Customer Reviews | 4.6 out of 5 stars 695 Reviews |
| 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 Items | 1 |
| Number of Pieces | 1 |
| Product Dimensions | 2.7"W x 2.6"H |
| UPC | 039101006147 |
| Unit Count | 10.0 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

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ try this before buying parts
*by I***C on December 1, 2025*

bought product in hopes of eliminating troublesome check engine light...cleaned contacts and works perfectly...exactly as described

### ⭐⭐⭐⭐⭐ Good
*by J***E on November 20, 2025*

Works great

### ⭐⭐⭐⭐⭐ 👍
*by C***R on April 2, 2026*

Worked well

## Frequently Bought Together

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- Gumout 800002231 Carb and Choke Cleaner Jet Spray - 14 oz.

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

---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-08*