Accutire MS-4021B Digital Tire Pressure Gauge with 4 Valve Caps, 5-150psi (psi, bar, kPa, kg/cm2)
Condition: New
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Availability:
In Stock.
Arrives
Friday, May 15
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Size: 1-Pack
Color: Black
Features
- Heavy duty construction and rugged design for long lasting use
- Angled head and rubber coated handle for easy gripping
- Large, easy-to-read backlit LCD display; Easily switch between psi, bar, kPa, kg/cm2
- Equipped with an automatic shut off to conserve battery life
- Accurate to within 0.5 PSI, reading air pressure from 5-150 PSI in 0.5 pound increments; Includes replaceable Alkaline LR44 1.5V coin cell batteries
Brand: Accutire
Material: Glass, Metal, Plastic, Rubber
Item dimensions L x W x H: 6.7 x 2.4 x 0.8 inches
Item Weight: 0.05 Pounds
Thread Type: Cr2032
Brand Name: Accutire
UPC: 703546962442 015507108562 658551455895 708315660253 600740190643
Global Trade Identification Number: 62
Manufacturer: Accutire
Warranty Description: 5 years parts and labor
Item Dimensions: 6.7 x 2.4 x 0.8 inches
Item Weight: 0.05 Pounds
Material Type: Glass, Metal, Plastic, Rubber
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, May 15
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: 1-Pack
Color: Black
Arrived overnight as scheduled, packaged well. The product is just as described. Simple and easy to use, very accurate. For the price, definitely worth the money.
Reviewed in the United States on February 27, 2026 by D
Size: 1-Pack
Color: Black
I am completely satisfied with this product. I purchased based on a consumer magazine recommendation. It works great, creates a quick and easy seal on the tire's valve and reads accurately. It's a good value for the money.
Reviewed in the United States on January 27, 2026 by Shasta Guy
Size: 1-Pack
Color: Black
Purchased this in March of 2022. It is now May of 2023. Haven't used this too much, maybe ten times in the past year. Went to use the other day, and it gently dropped (less than a foot) onto the pavement. Did not work after this short drop. Thought that perhaps battery somehow shifted when it hit. Took off the battery cover, and removed the three (3) LR44 batteries. All three of the batteries had started leaking. SInce I didn't have any spares on hand, I cleaned them off and re-installed- gauge now works again. I'll be ordering some batteries. I have an old (over 20 year old) Accutire digital gauge that I carried on my motorcycle- bouncing around for over 80,000 miles- never stopped working, and still on original batteries. This new gauge and the old gauge read exactly the same pressure. I'm assuming they're both right. UPDATE NOVEMBER 2025: The batteries that I put in back in 2023 also leaked (see below) Pros: Has worked well since, no issues. I do like the fact that the display is backlit- it makes it much easier to read than my other gages. The angle of the head also makes it easy to reach the valve on my cars. Cons: The angled head makes it a little akward to use on my motorcycles, as I have to adjust the gage body to clear the brake rotors. I have compared this gage with my two other digital gages, they're all within 0.1 psi of each other, so I suppose they're all pretty accurate. I went to use gage in November of 2025 and batteries were dead. Opened up the unit and tthe (two year old) batteries had also started to corrode. Cleaned up the battery compartment and put in three new LR44 batteries and back in business. I would suggest checking the batteries at least once a year for corrosion and condition to minimize the chance of damage. I keep the gage in an old eyeglass case to protect it in my glove box. I am buying a few more of these as small gifts for my kids for Christmas this year.
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Reviewed in the United States on May 21, 2023 by Ralf
Size: 1-Pack
Color: Black
Easy to use & accurate (at least mine was). Much easier than stick type gauge to get securely on tire stem. Fast, so I don't mind checking air pressure in the winter cold.
Reviewed in the United States on March 11, 2026 by Abby M
Size: 1-Pack
Color: Black
Works great, easy to use, quality product.
Reviewed in the United States on February 10, 2026 by XS
Size: 1-Pack
Color: Black
good product. works great
Reviewed in the United States on March 18, 2026 by Jan
Very accurate and easy to use. Great for keeping tires inflation as needed.
Reviewed in the United States on February 8, 2026 by JimG
Size: 1-Pack
Color: Black
This gauge is made of plastic but seems sturdy. I like that I can put the digital gauge on the tire stem and it automatically turns on and takes the pressure measurement. It seems accurate when compared to my tire inflator device that is digital.
Reviewed in the United States on November 29, 2025 by david61821