To see product details, add this item to your cart. You can always remove it later.
Added to

Sorry, there was a problem.

There was an error retrieving your Wish Lists. Please try again.

Sorry, there was a problem.

List unavailable.
Other Sellers on Amazon
Added
Sold by: AutoParts Kingdom
Sold by: AutoParts Kingdom
(13 ratings)
100% positive over last 12 months
Shipping rates and Return policy
Added
Sold by: B and S Supply
Sold by: B and S Supply
(2489 ratings)
90% positive over last 12 months
Shipping rates and Return policy
Added
Sold by: Autoplicity ✅
Sold by: Autoplicity ✅
(31249 ratings)
78% positive over last 12 months
Shipping rates and Return policy

Johnsen's 4721 Mass Air Flow Sensor Cleaner - 10 oz.

4.6 4.6 out of 5 stars 634 ratings

To see product details, add this item to your cart. You can always remove it later.
Available at a lower price from other sellers that may not offer free Prime shipping.

Purchase options and add-ons

Brand Johnsen's
Product Dimensions 2.7"D x 2.6"W x 2.6"H
Controller Type Button Control
Item Weight
10 Ounces
Control Method
Touch

About this item

  • 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
See more product details

Frequently bought together

$13.48 ($1.35/Ounce)
Get it as soon as Wednesday, Apr 3
In Stock
Sold by G.P.S. and ships from Amazon Fulfillment.
+
$9.96
Get it as soon as Wednesday, Apr 3
In Stock
Sold by VerSure and ships from Amazon Fulfillment.
+
$3.84 ($0.27/Ounce)
Get it as soon as Wednesday, Apr 3
In Stock
Ships from and sold by Amazon.com.
Total price:
To see our price, add these items to your cart.
Details
Added to Cart
These items are shipped from and sold by different sellers.
Choose items to buy together.

From the manufacturer

Cleaners

  • FOAMING ENGINE DEGREASER
  • ELECTRONIC CLEANER
  • HIGH POWER DUSTER
  • CONCRETE & MASONRY CLEANER

Engine Degreaser

Electronic Cleaner

Duster

Concrete Cleaner

FOAMING ENGINE DEGREASER

  • Premium, foaming, water-based, degreaser which is self emulsifying
  • Two active ingredients mix with both oil and water
  • When sprayed on and washed off, the water actually pulls oil an d great off the surface of the engine
  • VOC Compliant

ELECTRONIC CLEANER

  • Instantly removes oil, grease and dirt from a wide range of electrical components
  • Cleans without leaving a residue
  • VOC compliant

HIGH POWER DUSTER

  • Use for cleaning dashboards, automotive electronics and engine components
  • Also great for home and office use

CONCRETE & MASONRY CLEANER

  • Dissolves grease, oil and dirt from driveways and garage floors
  • Also cleans brick and stone

Product Description

JOHNSEN'S MASS AIR FLOW SENSOR CLEANER 10 OZ

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

Feedback

Johnsen's

Johnsen's 4721 Mass Air Flow Sensor Cleaner - 10 oz.


Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive.

Where did you see a lower price?

/
/
/
/
Please sign in to provide feedback.

Looking for specific info?

Customer reviews

4.6 out of 5 stars
4.6 out of 5
634 global ratings

Customers say

Customers like the quality, value, cleaning and ease of use of the air purifier. For example, they mention it works well, is simple to use and does the trick. That said, they appreciate the value for money.

AI-generated from the text of customer reviews

19 customers mention19 positive0 negative

Customers are satisfied with the quality of the air purifier. They mention that it works well, does the trick, and is a reliable solution. Some mention that the controller works like new.

"...I'm so happy I found such an affordable and reliable solution!" Read more

"...Tried this one on my MAF and MAP sensors (2012 BMW 535xi - N55). Worked perfectly after I had some blowby on my charge pipe and within the intake..." Read more

"...It's MAF cleaner, it works, really what else is there to honestly say?10/10 filled its role" Read more

"It works ok, no better or worse than any other stuff I've tried. The can tends to run dry faster than other brands though." Read more

9 customers mention9 positive0 negative

Customers appreciate the value of the air purifier. They say it's simple and cheap.

"...I'm so happy I found such an affordable and reliable solution!" Read more

"...Very easy simple n fast......!!!!!!!Good value.....!!!!! It will last a few cleanings.....!!!!!!" Read more

"Works well, does the trick, and much cheaper than the competitor." Read more

"Great product for a fair priceThank y’all" Read more

5 customers mention5 positive0 negative

Customers are satisfied with the cleaning capabilities of the air purifier. They mention that it does a good job cleaning their mass air flow sensor without any issues or damage.

"it cleaned my MAF without any issues or damage, in fact the issue i was having was fixed with this cleaner, for the value i think this is best, i am..." Read more

"Cheaper than other brands. But it cleaned my sensor well and took care of a check engine light I had. Good buy!Maf sensor was very dirty!" Read more

"Did a good job cleaning my mass air flow sensor. Will use again in a couple years for a little preventative maintenance." Read more

"Easy to use and cleans mass air flow sensor." Read more

4 customers mention4 positive0 negative

Customers find the air purifier easy to use. They mention that it's as simple as spraying the product, waiting for it to dry, and assembling it.

"To clean MASS AIR FLOW Sensor...Very easy simple n fast......!!!!!!!Good value.....!!!!! It will last a few cleanings.....!!!!!!" Read more

"...It was as simple as spraying the product, waiting for it to dry, assembling and you're ready to go" Read more

"Easy to use and cleans mass air flow sensor." Read more

"Easy to use but this product does not work, anyways was a cheap try" Read more

3 customers mention3 positive0 negative

Customers like the smoothness of the air purifier. They mention that it runs smoother, and has better response, start, and gas mileage.

"...Didnt damage any of my plastic parts and my vehicles are running smoother then ever." Read more

"You need this. I got better response, start, gas mileage. Do it every time you notice lag in Pedal to acceleration." Read more

"Saves me gas on my ml 500 18 old runs smoother too" Read more

Worked like a charm!
5 Stars
Worked like a charm!
Cheaper than other brands. But it cleaned my sensor well and took care of a check engine light I had. Good buy!Maf sensor was very dirty!
Thank you for your feedback
Sorry, there was an error
Sorry we couldn't load the review

Top reviews from the United States

Reviewed in the United States on July 12, 2020
3 people found this helpful
Report
Reviewed in the United States on July 25, 2021
Reviewed in the United States on May 9, 2020
7 people found this helpful
Report
Reviewed in the United States on February 26, 2020
2 people found this helpful
Report
Reviewed in the United States on June 24, 2021
Reviewed in the United States on February 22, 2021
One person found this helpful
Report
Reviewed in the United States on June 24, 2020
Reviewed in the United States on July 17, 2022