VIAIR 440P Portable Compressor,44043 lowest online , Black sale

VIAIR 440P Portable Compressor,44043 lowest online , Black sale

VIAIR 440P Portable Compressor,44043 lowest online , Black sale
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Brand
VIAIR
Power Source
Corded Electric
Item Dimensions LxWxH
15 x 13.5 x 11.5 inches
Voltage
12 Volts (DC)
Item Weight
12.65 Pounds


Heavy Duty Compressors for Tire Inflation

VIAIR Corporation

VIAIR offers the most comprehensive line of fractional horsepower DC oil-less air compressors and air accessories for on-road, off-road, and industrial markets. Since 1998 our quality engineered compressors have become the industry standard for automotive aftermarket applications worldwide.

VIAIR 300p-450p

VIAIR's heavy duty portable tire inflators can be used on any vehicle with a 12v battery source and are designed for tires ranging from 33" to 42" diameter.

These compressors are suitable for both on-road and off-road vehicles.

VIAIR’s Automatic Tire Inflatiors make tire filling simple! While most portable air compressors must be turned off between tire fills and checking tire pressure, the Automatic compressors only operate while the trigger on the inflation gun is pulled. This will certainly save you much needed time, making the overall process of filling your tires seem effortless.

For those in the off-road segment, airing down tires allows for better traction while off-roading. Once your tires need to get back to their normal pressures, you simply hook the compressor up to your battery, and fill them to the recommended on-road pressure your vehicle suggests.

For those in the on-road segment, proper tire inflation is very important because it helps keep your tires lasting longer, it's better for gas mileage, and overall makes for a better ride while keeping you safe on the road.

VIAIR 300P VIAIR 400P VIAIR 400P-Auto VIAIR 440P VIAIR 450P-Auto
Max Pressure 150 PSI 150 PSI 150 PSI 150 PSI 150 PSI
Duty Cycle 33% at 100 PSI 33% at 100 PSI 33% at 100 PSI 33% at 100 PSI 100% at 100 PSI
CFM Output 2.3 CFM 2.3 CFM 2.3 CFM 3.0 CFM 1.8 CFM
Max Tire Recommended Tire Size 33" 35" 35" 37" 42"
Automatic?
Max Amp Draw 30 Amps 30 Amps 30 Amps 44 Amps 23 Amps

Features & details

Features

  • 12 VOLT - 150PSI Max Working Pressure, engine must be running during use.
  • 3.00CFM Free Flow @ 0 PSI
  • Portable Air Compressor comes with a canvas carrying case and powers via alligator clamps.
  • Good for up to 37 Inch Tires on Off-road vehicles
  • Comes with a coil hose with a clamp on tire chuck and gauge

Product information

    Additional Information

  • ASIN: B000X9BXQS
  • Customer Reviews: 4.6 out of 5 stars 154Reviews
  • Best Sellers Rank:
    #108,974 in Automotive (See Top 100 in Automotive)
    #340 in Wheel & Tire Air Compressors & Inflators
  • Date First Available: June 1, 2006
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product guides and documents

Specification Sheet (PDF)
Installation Manual (PDF)
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Accuracy 4.4 4.3 4.7 4.6
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Easy to use 4.5 4.8 4.6
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Customer Questions

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Q: I tried the 300p with my 285/55/16 tires and it took almost 50 minutes to inflate one tire…

A: It sounds like something was leaking. I had a 300P, until it got stolen from the back of m…

Amazon Customer | 11 months ago

Q: Could this be plugged into the wall and used for small tasks in the garage? Like blowing…

A: It is a 12V Auto DC powered compressor that attaches to the positive and negative terminal…

EOD Guy | 5 years ago

Q: Where can we obtain a replacement for the rubber seal within the air discharge nozzle? Our…

A: from viair. go to their website

Robert M. Washburn | 4 years ago

Q: Can this pump up a dump truck tire/semi ? they are 90-120 psi

A: I would suggest you look at something a bit beefier. Mine takes 20-25 minutes to take 4 3…

Richard Bennett | 1 year ago

Customer reviews

4.6 out of 54.6 out of 5
154 global ratings

Top reviews from the United States

G
4.0 out of 5 starsVerified Purchase
Viair 440P
Reviewed in the United States on June 26, 2017
Viair 440P review: I have an RV and a Jeep (so I do air down the tires for off road use on the Jeep). I purchased the 440P because of the higher CFM rating (it has 3 CFM). The bad part is it has a 15 min use before 30 min off time. So I check it on one of my jeeps... See more
Viair 440P review: I have an RV and a Jeep (so I do air down the tires for off road use on the Jeep). I purchased the 440P because of the higher CFM rating (it has 3 CFM). The bad part is it has a 15 min use before 30 min off time.
So I check it on one of my jeeps tires (they are 35"). I aired the tire down to 15PSI and timed the 440P to fill it back up to 37PSI. With the jeep running it took 2 minutes and 2 seconds to do it. So I will have no problem filling all of the tires on the jeep from 18PSI back up to 37PSI easily within 15 minutes. (or topping off the 22" tires of the RV).
I only gave it 4 stares due to the 3/8" air fittings rather than 1/4" (standard) fittings. This comes with a 25'' coiled line (and I knew I would need 50'' to fill the RV tires), so I changed the male 3/8" fitting on the pump to a 1/4" male (now it can use a standard hose and fitting). I also purchased a female 3/8" fitting from Lowe''s and attached that to a male 1/4" (so I have an adapter to go back to Viairs system and their hose. They should just put a 1/4" connection and hose on it.
30 people found this helpful
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fernando
5.0 out of 5 starsVerified Purchase
fast air compresso
Reviewed in the United States on August 12, 2019
this compressor is pretty fast compared to others in its class. its heavier and its a little larger than i expected but i like the fact that it cut down my airing up time in half. i can refill each 33" tire from 12 psi to 35 psi in about 2 min 20 seconds. the gauge is off... See more
this compressor is pretty fast compared to others in its class. its heavier and its a little larger than i expected but i like the fact that it cut down my airing up time in half. i can refill each 33" tire from 12 psi to 35 psi in about 2 min 20 seconds. the gauge is off by about 10 psi but the instructions warn you that you have to turn the air compressor off to get an accurate reading. i just simply remember that it reads 10 psi more when turned on and turn it off when it gets 10 psi above the desired pressure. the oversize quick release fitting is nice because it keeps you from burning your hand due to the hose getting extremely hot after use. the carrying bag is nice but its a little on the big side. i could easily fit everything including the hose in the main pouch. it could be a lot cheaper considering its made in China like the rest of the portable air compressors out there but i guess you are paying for the viair name brand. all in all i am satisfied with the purchase.
2 people found this helpful
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Steve M.
3.0 out of 5 starsVerified Purchase
Nice unit, but...
Reviewed in the United States on June 9, 2014
We use this on our truck, 2 cars and an off-road Jeep with big tires, and we''ve helped neighbors, so it probably gets used once or twice a week. It works great, but the "chuck" (the part that attaches to the tire''s valve) wore out after about a year. The only way to... See more
We use this on our truck, 2 cars and an off-road Jeep with big tires, and we''ve helped neighbors, so it probably gets used once or twice a week. It works great, but the "chuck" (the part that attaches to the tire''s valve) wore out after about a year. The only way to replace it from Viair is to buy the entire hose assembly for $39.95. Then after about two years a pipe connection on the compressor broke and we had to get that replaced from Viair for $65. I expressed my disappointment when I called their tech support, so they gave me the hose assembly for $20, the pipe assembly for the usual $65, and they paid the shipping, so their customer service is good.
Update: Viair tech support guy told me to replace the rubber insert (see my photo) in the "chuck" and it''ll stop slipping off tire valves or leaking. You can get these rubber inserts from Viair. You''ll need basic tools to push out the metal pin that holds the chuck together and then tap it back in. So if you use this pump as much as we do you''ll need to do this once in a while. They should change this chuck deisgn/construction but anyway that fixes it.
23 people found this helpful
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Hatty
4.0 out of 5 starsVerified Purchase
Fast filler, pushes high volume for large tires
Reviewed in the United States on November 26, 2019
Tops off 35” tires quickly and I hear they’ll get you up from an “aired down”, low pressure to a road PSI in minutes. I don’t like the fact you have toggle the power switch to check pressure but with a few tries you get the hang of it, especially if you have a second set of... See more
Tops off 35” tires quickly and I hear they’ll get you up from an “aired down”, low pressure to a road PSI in minutes. I don’t like the fact you have toggle the power switch to check pressure but with a few tries you get the hang of it, especially if you have a second set of eyes on the tire. The hose is a bit short for my Jeep JK but still reaches - it feels like you’re stretching it for the rear spare. It doesn’t make a lot of noise but, then again, I’m running the engine for max compressor performance. The deflator needs some work since it’s tricky to engage and disengage. Speed is what I need and this definitely does the trick.
2 people found this helpful
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ODCaveman
4.0 out of 5 starsVerified Purchase
Better than your average 12v compressor
Reviewed in the United States on March 7, 2010
I bought this compressor so I could air my tires back up after offroading. I wont go into detail on the advantaged of doing this but theyre significant enough that I wanted to invest in a quality unit vs just getting one of those little toy cigarette lighter ones sold in... See more
I bought this compressor so I could air my tires back up after offroading. I wont go into detail on the advantaged of doing this but theyre significant enough that I wanted to invest in a quality unit vs just getting one of those little toy cigarette lighter ones sold in most stores. I decided on the 440P vs Viair''s other offerings because of the air output and i wanted something with a bit faster fill times vs a higher duty cycle or automatic shutoff. As far as the initial quality goes everything seems to be pretty well made. The way the little base attaches to the compressor itself is a little flimsy since its just 4 little rubber standoffs but I doubt they will break if I dont just beat it around. The Hose is also of pretty good quality, Better than I expected even if its the coiled type that always seems to end up tangled in a big ball after one use.

As far as using this compressor It does as advertised, runs smoothly and quietly and surprisingly has no problem pumping my 7 gallon air tank to 120PSI. I can air up my 32" tires in 13 mins from 18-50 PSI with the assistance of using the air tank as a resivoir. One thing to keep in mind is the warning stickers on "extreme heat" this thing will really cook after 10-15 mins of being on. You WILL burn yourself if you touch the metal parts. The handle insulates everything but keep it in mind. You cant just throw it back in the carry case when your done it needs to cool off. Only 4 stars because Of the price, and the amount of heat generated. So far ive put it through 6 or 7 airing up cycles so it will be intersting to see how the longevity is. Overall Its a much better unit than the cheaper ones out there that i have used in the past even if they do the job for occasional use, They are no replacement for something like this that will see heavy use.

***Almost 3 years later update***

I have had this compressor for a few years now and so far it is still going strong just like it was when I got it. It has a permanent home in my vehicle and I have had no problems with it. There are a couple of points worth mentioning, The pressure gauge that is built into the hose is kind of worthless, it will not give an accurate reading when you are actually pumping air, infact it is not really accurate period and really only gets in the way. Also, the way the air nozzle clamps down on the valve stem can damage the threads on your valve stem. I kind of wish I had a built in air compressor setup because I always get people asking if I need any help when airing up but then again, this is very portable. The carry case has held up well also. Still highly recommended!

*** 4 year update ***

Onto the 4th year I have owned this. Still going strong! I use it approx once a month and to date I have not had anything break on me with this kit. The metal base this compressor stands on has gotten bent a little bit but that might have more to do with being mailed across the country in a flat rate box....twice.... The large plastic "cover" on the quick connect fitting of the hose sometimes slides around and makes it hard to disconnect the hose but no problems. Having this over a permanently installed air source is a double edged sword... It is portable. Which is nice. But... Also kind of a hassle to un bag and get set up compared to something that you just plug a hose into and go. And again it gets annoying when people pass by you with your hood up on the side of the road and stop asking if you need help. I should be happy people still offer assistance these days but you know it does get tiring and you just want to get the tires aired up and go.

I honestly was not sure how this compressor would hold up to its own heat it generates as that is a major factor when it comes to wear on something like this but surprisingly it seems to be un-phased 4 years and counting.
91 people found this helpful
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S. Hill
5.0 out of 5 starsVerified Purchase
Great compressor
Reviewed in the United States on September 7, 2016
This is a great product, my friend has a smaller one with the auto shut off and I was not impressed with it for the money, it was slow and seamed flimsy... I needed a compressor for our trip to Colorado and ordered this one for the extra power.... This is a great... See more
This is a great product, my friend has a smaller one with the auto shut off and I was not impressed with it for the money, it was slow and seamed flimsy...
I needed a compressor for our trip to Colorado and ordered this one for the extra power....
This is a great compressor.. I can add 8 pounds of air to a 32" tire in about 60-90 seconds and is heavy duty for its size...
The air gauge is not accurate but consistent, I let the pump run till I see around 36 psi and the will give me around 32"....
It does get hot, even with a short run time.... It will take longer to cool down than to pump up your tires....

So spend the money on the power, not the auto shut off, it has a switch on the pump and an air gauge so you are not turning it on and off, or running back and forth anyway...
I didn''t want to spend this much for a pump, but glad I did.....
6 people found this helpful
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Robert Easley
3.0 out of 5 starsVerified Purchase
Disapointed
Reviewed in the United States on November 18, 2018
While the compressor itself works fine, but the clamp-on chuck does not clamp on. The first couple of times airing back up after a run, the chuck would clamp-on, but only with great difficulty. Now the clamp mechanism is frozen solid. I will end up cutting it off and... See more
While the compressor itself works fine, but the clamp-on chuck does not clamp on. The first couple of times airing back up after a run, the chuck would clamp-on, but only with great difficulty. Now the clamp mechanism is frozen solid. I will end up cutting it off and replacing it with a more conventional clamp-on chuck.
4 people found this helpful
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Amazon Customer
5.0 out of 5 starsVerified Purchase
Great to air up off-road tires.
Reviewed in the United States on June 23, 2018
I bought this to air up tires after off-roading. Airs up stock 32” Rubicon tires from 20 to 37 PSI in about a minute per tire. The product does get hot. Needs time to cool, but works great. in Line pressure gauge reads a little higher than my spot check gauge, and doesn’t... See more
I bought this to air up tires after off-roading. Airs up stock 32” Rubicon tires from 20 to 37 PSI in about a minute per tire. The product does get hot. Needs time to cool, but works great. in Line pressure gauge reads a little higher than my spot check gauge, and doesn’t give accurate reading while filling, but have found that once it reads 50 psi while running, it’s about up to street pressure. Definitely recommend this model for the CFM rating, which is why I bought this model. Topping off a typical vehicle tire takes even less time, maybe 20 seconds. Great product. A little bulky and unfortunately just a little big to fit under the back seat of a Wrangler Unlimited. But the positives more than make up for that. The 90 degree fitting for the tire valve could be a little longer, sometimes need to turn a certain way to get good seal and often touching the rim, straight type filling neck would be THE ONLY recommendation I would make. This could be an issue with a bead lock rim.
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Top reviews from other countries

DM
5.0 out of 5 starsVerified Purchase
Inflated tires just as decribed
Reviewed in Canada on December 14, 2018
Used to air up 33” tires from 20 psi to 45 psi. Does this in short order. Quick on off clamping chuck works is great. In hindsight, maybe should have bought the Viair model that turns off automatically when the chuck is off the valve stem, but still works perfectly.
One person found this helpful
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Simon Cadieux
4.0 out of 5 starsVerified Purchase
Almost perfect
Reviewed in Canada on May 14, 2019
Very powerful and portable. As one reviewer said before me, the fact that the quick connect is not standard 1/4 npt makes it very difficult to use other air accessories. You can always swap that quick connect adapter with a standard one, but that renders the included...See more
Very powerful and portable. As one reviewer said before me, the fact that the quick connect is not standard 1/4 npt makes it very difficult to use other air accessories. You can always swap that quick connect adapter with a standard one, but that renders the included inflator and coiled cord useless (because the quick connect is hardwired).
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Jeremy Jo
5.0 out of 5 starsVerified Purchase
Highly recommended if you want the quickest and easiest way to ...
Reviewed in Canada on May 27, 2018
I bought this to use on my RAV4 as well as any other vehicle I would come across. It is definitely a overkill for a small SUV and sedans, but that basically means that inflation literally takes seconds! I''ve had it for about 6 months now and no complaints or concerns...See more
I bought this to use on my RAV4 as well as any other vehicle I would come across. It is definitely a overkill for a small SUV and sedans, but that basically means that inflation literally takes seconds! I''ve had it for about 6 months now and no complaints or concerns regarding build quality or reliability so far. Highly recommended if you want the quickest and easiest way to inflate pretty much anything!
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Michael king
5.0 out of 5 starsVerified Purchase
It works
Reviewed in Canada on December 25, 2020
I''ve only used it once. Filled 265/70/18 ten ply tires from 40psi to 75psi. Took about 7 minutes a tire. Couldn''t be happier. Last 2 off brand pumps burnt up after 2 tires. Its large doesn''t fall over and it works.
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Mac
5.0 out of 5 starsVerified Purchase
Works great!!!
Reviewed in Canada on March 10, 2014
Does exactly what I wanted. Quickly airs up 35" tires on my jeep. Can bring all 4 up from 5-10lbs to 20lbs in about 8 minutes. Would buy it again and recommend to others. I''m interested to see how it performs in the summer heat. So far heat has been a non issue as it''s...See more
Does exactly what I wanted. Quickly airs up 35" tires on my jeep. Can bring all 4 up from 5-10lbs to 20lbs in about 8 minutes. Would buy it again and recommend to others. I''m interested to see how it performs in the summer heat. So far heat has been a non issue as it''s been winter here and the wheeling we''ve done has been in snow. Added benefit you can toss some snow on it if you think it''s getting hot. ( I''m sure that isn''t recommended in the manual- so do at your on risk lol ) My only problem is now I''m airing up everyone else''s tires too!
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