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🚙 Inflate Fast, Explore Further — Never Let Low Air Slow You Down!
The VIAIR 400P Portable Compressor Kit is a heavy-duty 12V electric air compressor designed for off-road enthusiasts. With a powerful gearless motor delivering up to 150 PSI and a 2.3 CFM airflow, it rapidly inflates tires up to 35 inches in size. Its compact design, durable carrying case, and comprehensive accessory kit make it an essential, reliable tool for trucks, SUVs, motorcycles, and more—ensuring you're always ready to conquer the road less traveled.











| ASIN | B000X9AXR8 |
| Additional Features | Heavy Duty, Portable, Quick Inflation |
| Air Flow Capacity | 2.3 Cubic Feet Per Minute |
| Best Sellers Rank | #71,159 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #53 in Portable Air Compressors |
| Brand | VIAIR |
| Brand Name | VIAIR |
| Capacity | 2.3 Cubic Feet |
| Color | Silver |
| Customer Reviews | 4.7 out of 5 stars 1,652 Reviews |
| Global Trade Identification Number | 00818114004032 |
| Hose Length | 25 Feet |
| Included Components | Tools |
| Item Dimensions L x W x H | 10.87"L x 5.83"W x 7.48"H |
| Item Type Name | Portable Air Compressor |
| Item Weight | 10.4 Pounds |
| Manufacturer | Viair Corporation |
| Manufacturer Part Number | 40043 |
| Manufacturer Warranty Description | All VIAIR products come with a One Year Manufacturer Defect Warranty |
| Material Type | Aluminum |
| Maximum Current | 30 Amps |
| Maximum Horsepower | 0.56 Horsepower |
| Maximum Power | 414 Watts |
| Maximum Pressure | 150 Pound per Square Inch |
| Model Name | 400P Portable Compressor |
| Model Number | 400P |
| Noise | 74 Decibels |
| Noise Level | 74 Decibels |
| Part Interchange Info | 40043 |
| Power Source | electric-powered |
| Recommended Uses For Product | Tire Inflation |
| Special Feature | Heavy Duty, Portable, Quick Inflation |
| Style | Original Portable |
| UPC | 818114004032 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
C**.
A must for off-roading. High quality and reliability for the road rarely travelled.
As someone getting into off-roading, having a air pump is a must after airing down and hitting the trails. After extensive research and reading Amazon reviews, we chose this one. It has worked flawlessly so far and I feel great about the build quality, especially since there is a warranty. When using, it does get a bit hot so don't touch the hose to the body while in use. Otherwise I expect this pump to bring us happiness after off-roading for years to come.
E**D
Powerful, Light, Compact, Quality
This is a very powerful machine that gets the job done quickly. It’s light and compact, and simple to use. One small demerit is you need to turn the compressor off briefly to get the actual air pressure. It’s tiny nit to pick, however, given the overall quality and serviceability of the product.
S**L
You Get What You Pay For With VIAIR
So a few years back I purchased an off brand of small portable air compressor. It lasted a while. A trip to the desert, a year of airing up a 300 dollar tire that couldn't be patched because name brand tire dealer doesn't know what a large patch is, and it ran like that for some time. On a recent trip to the beach, in 70 degree weather it crapped out. Smoked. Burned to a cinder and didn't blow the fuse? I bit the bullet. Purchased the 400P. Night and Day difference. Air up is less than half the time. Heat, while any compressor will generate it, is managed well with the duty cycle. QUIET! The el-cheapo was louder than the vehicle, running, and I have a chopped exhaust with a shorty. Accessories... well I don't plan on using it for balls or a mattress. But they are free. Cord, not a fan of the coils, but you have to make a sacrifice for compact storage. Plenty of length for a full size truck. Cool air down feature for the perfectionist. I like it. I also have another tool for this, but it's an option. The gauge is close. About 2 pounds low. It isn't NASCAR or a spaceship. It will get me home. The bag. Time will tell. It works for carrying everything and keeping it in one place. Zippers and snaps will probably go, but it will be a while. Bag is lined. Probably rain resistant. As long as I don't submerge the snorkel it should be ok. Overall, very impressed with how small, fast, powerful, and put together the unit is. Has some weight. This one is a keeper, and cost is decent enough to put 1 in each vehicle.
B**L
Gauge doesn’t go as high as the pump
The compressor works great! I use it to fill my tires on my RV. They need to be over 120 psi. This pump does this just fine. The only issue is the built in psi gauge only goes to like 80 or 90 psi. I thought I bought the wrong compressor at first. But I checked and it does work up to 150 psi. It just doesn’t show you the pressure that high. Bummer
J**D
Best rv compressor
This is awesome . I use it all the time. Would buy again!
E**.
VIAIR 400P: Power and Convenience in One Package
The VIAIR 400P portable air compressor is a game-changer in the world of on-the-go inflation. With its impressive power and user-friendly design, it's become an essential tool in my automotive arsenal. The first thing that struck me was its sheer power. Capable of reaching a maximum pressure of 150 PSI, the 400P effortlessly handled my car tires, bike tires, and even inflatable water toys. Its fast inflation speed meant I spent less time waiting and more time enjoying my outdoor activities. Portability is a strong suit for the 400P. Its compact size and ergonomic handle made it a breeze to carry around, and the included carry bag added an extra layer of convenience. Whether I'm on a road trip or a weekend camping adventure, the 400P is always ready to assist. The built-in pressure gauge is a nifty feature, allowing me to monitor and adjust inflation with precision. The integrated LED work light proved to be incredibly handy during nighttime use, making the whole process smoother and more efficient. While not whisper-quiet, the 400P's noise level is manageable, making it suitable for various settings without causing a disturbance. In summary, the VIAIR 400P offers an unbeatable combination of power and convenience. It's a reliable and efficient companion for any outdoor enthusiast, providing peace of mind and timely inflation whenever and wherever you need it. If you're looking for a portable air compressor that delivers on its promises, the VIAIR 400P is the one to get.
K**R
This tool works
I have found the viair compressors to be dependable. This model doesn’t take forever to fill up a standard car tire. A must if you are an off road enthusiast or are always on the highway. Your tires don’t typically pop at gas stations and even if they do, the air chuck was probably stolen or the compressor is out of service. I haven’t used a gas station compressor now for over 6 years and have been both off road and on the sides of highways grateful that I have a compressor with me when I needed it. I wouldn’t travel now without one.
E**G
Best pump for 4x4 off roading
When I go off road I always Air Down tires. I visit 4x4 beach NC frequently. Also Hatters National Park ORV beaches. My pump never lets me down. runs a little warm “HOT” to touch after pumping up to 55psi. but it does not die on me like a battery operated ones before. since it hooks up to battery terminal it is easy to assist a friend. ref. own Silverado 2500HD, GMC Yukon XL. Pros Great power “pumps any size tire” 1/2 ton or 3/4 ton pickup Easy conector 5stars Long hose 5stars Reaches all 4 tires 5stars Easy inflation connection quick connect Portable easy to carry around Power source easy to use Cons HOT to handle “but other reviews mentioned it” no big deal Cost more than other’s inflators Power source may intimidate novice inexperienced drivers
J**L
Air compressor
Quick postage and arrived in good condition.
R**A
Top
Compresso muito bom. Vem completo, cabos, mangueira, bico, manômetro e bolsa de transporte. Boa potência e enche mesmo, ideal para atividades off road.
A**D
Better than expected
From18 psi to 32psi in just 59 sec Recommend
V**D
Buenísima
Esta bomba la he usado 3 veces al salir a terreno para eso flar las llantas de 33, en 15 mins baje la bomba, infle las 4 llantas de 20 PSI a 50psi. Recomendado.
L**.
Excellent compressor for big tyres.
The product arrived well packaged and easy instructions. The carry case is extremely well made with separate pockets for the compressor and bits. Connecting to the battery is easy and the hose is more than long enough for my 20 ft camper. It works well and is accurate. One odd thing which could be a safer feature or it assumes that we have long arms is the positioning of the on/off switch. When the compressor is connected to the battery and the hose to the back tyre the pressure gauge is near the tyre and the on off switch on the compressor??? I switched it on briefly walked to the back cane back etc. Now it could be that there is an on off lever or attachment to regulate pressure near the gauge but I haven’t got one. Maybe a safety feature???? I still like it though. Solidly made. Easily portable.
Trustpilot
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