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Slime 40022 12-Volt Digital Tire Inflator

by Slime
4.1 out of 5 stars 1,310 customer reviews
| 138 answered questions

List Price: $34.99
Price: $27.97 & FREE Shipping on orders over $35. Details
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  • Enter your model number above to make sure this fits.
  • Inflates a standard mid-sized car tire in 6 minutes,
  • Uses Inflate Right technology to automatically shut off when desired pressure is reached.
  • Bright and long-lasting LED light for easy night use.
  • Plugs directly into car cigarette lighter, 15 Amp fuse required.
  • Powerful and compact, with rubberized feet for stability.
  • Slime's 12-Volt Digital Tire Inflator uses Inflate Right technonology to automatically shut off when the proper tire pressure is reached. Simply set the desired pressure level and press the ""on"" button. When the set pressure is reached, the inflator automatically shuts off. This inflator is designed to inflate a standard car tire, with a maximum pressure of 35 PSI.
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18 new from $27.97 1 used from $63.15
$27.97 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Slime 40022 12-Volt Digital Tire Inflator
  • +
  • TEKTON 5941 Digital Tire Gauge, 100 PSI
Total price: $36.84
Buy the selected items together

Product Information

Technical Details

Brand Slime
Item Weight 1.9 pounds
Product Dimensions 2.8 x 8.5 x 6.5 inches
Origin Thailand
Item model number 40022
Exterior Smooth
Manufacturer Part Number 40022
OEM Part Number 40022
Position Inside Center
Wattage 280 watts

Technical Specification

View User's Manual [PDF ]

Additional Information

Customer Reviews
4.1 out of 5 stars 1,310 customer reviews

4.1 out of 5 stars
Best Sellers Rank #78 in Automotive (See top 100)
#3 in Automotive > Wheels & Tires > Accessories & Parts > Tire Accessories & Parts
#3 in Automotive > Tools & Equipment > Tire Air Compressors & Inflators
Shipping Weight 1.7 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available January 14, 2010

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:30-Day Warranty
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

Inflate Right Technology. It is a perfect tire pressure with every use. Pre-set to desired pressure and let the inflator do the rest.

Customer Reviews

Top Customer Reviews

Verified Purchase
I investigated a number of similar products on Amazon, other web merchants and on the Manufacturer's websites. As a result I decided I was seeking a couple specific things.

My Desires
o Low Cost
o Screw on Valve Attachment. My rims don't leave enough room for the larger sleeve that surrounds the clip-on type hose attachments found on many pumps.
o Automatic Shutoff. I've got better things to do that watch a needle move.

+ Inexpensive. Disregarding a few slightly less expensive generic no-name products with poor reviews, the products I found that had the features I wanted were often two times the price or more.
+ Screw on Valve Attachment. This takes less room and so will be compatible with a greater variety of tire rims.
+ Digital Pressure Gauge. An LCD display shows the current pressure in PSI of your tire. It seems sufficiently accurate, reading always within 2 PSI of a fairly decent quality manual gauge that I have.
+ Automatic Shutoff. Set the desired tire pressure, activate the device and it will shut off when that target is hit so that you don't have to baby the device while it huffs and puffs your tires up.

- Loud. I use this in my closed garage. It seems as loud as when I use my power miter saw to cut 2x4 lumber. It seems that this is simply a light device with a basic light plastic case so it vibrates and wiggles and dances on the floor as it does its job. But the job gets done.
- Not fast. But fast enough for most. Expect to spend 2-4 minutes per tire depending on how fast your are connecting and disconnecting and how low your tires are. I spend about a minute per tire at the gas station pump.

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17 Comments 585 of 609 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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By Do42 on September 5, 2013
Verified Purchase
I have owned half a dozen tire inflators through the years. I prefer the auto-stop units but they are in the minority, most have analog dials and flip type clamp tire valve connectors.

1. Auto-stop works - It stops exactly at the pre-set pressure

2. Gauge accurate - The digital gauge is within 0.5 psi of a handheld gauge.

3. It is NOT loud - Many of the reviews claim this unit is loud. Well loud is a relative term. Compared to what is it loud? It is actually about 80% as loud as my other units of various brands so overall, it's quite quiet. ALL portable tire inflators that I've heard are loud. The Slime is actually quieter than the average 12v unit.

4. Has a lighted display - I was very surprised when I plugged it up that a bright green light lit up the display. NONE of my other tire inflators are backlit. If you are not in bright light, then you must shine a flashlight or cell phone light on the display to see it in dark or dim light. You can easily read the Slime in total darkness. This is a super plus if you ever had a flat at night.

5. The screw-on was not as bad as I thought. All of my other units have the quick connect flip-type tire valve connectors. They are very quick to connect and disconnect and I thought the screw-on would be much slower and a big disadvantage. I could almost connect and disconnect the Slime as quickly and easily as the flip-type. Some of the other reviews stated that the flip-type won't work on some smaller clearance valve stems. I am perfectly happy with these screw valve connectors.

6. Big cord compartment - With some of the other inflators it is almost impossible to get the 12v cord and air hose back into the storage compartment. With the Slime it is fairly easy.

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9 Comments 240 of 249 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Works good. A lot faster than other 12V pumps I've used in the past. Took a minute or two to inflate my motorcycle tires from 22 to 36psi. Digital gauge and automatic shut off is very helpful. Highly recommend, after i showed this to my friends, they wanted to get their own.

UPDATE: Mine broke after less than 4 months of sporadic use. Pump won't turn on. Changing rating to 1 star.

UPDATE 2: Contacted slime, sent a replacement to my house for no charge! Thanks! New one works great!!!

UPDATE 3: The replacement pump is working great (Sept 2015)
3 Comments 170 of 181 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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So much better than my loud, rumbling old compressor! This product is lightweight, easy to use, quick and quiet. You start by plugging it in and attaching it to the tire. It will give you the current pressure reading. Then, hold a button for a few seconds and set the desired pressure. Press the power button and watch as the pressure reading increases as the tire inflates. When it reaches the pressure setting you chose, it shuts off. All in all, it probably didn't take more than 30 seconds to raise my pressure by 7 PSI.

I double-checked the reading using another digital tire gauge I have, and it was .5 PSI less -- this could have easily been due to air loss when removing the hose or inserting the gauge (or the gauge could be wrong). Either way, close enough.

The unit's housing allows you to store the hose and power cord inside, which is quite convenient. So far, I'm very happy with this -- it's nice to see an innovation in the lower end of the market for these products, as simple as it might be!
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Slime 40022 12-Volt Digital Tire Inflator
This item: Slime 40022 12-Volt Digital Tire Inflator
Price: $27.97
Ships from and sold by Amazon.com