
VIAIR 400P Portable Air Compressor Kit
A 12 volt portable compressor with enough weight and power source to handle larger tire airing jobs on the road.
- Capacity
- 17.2 gallons
- Tank Volume
- Not specified
- Air Flow Capacity
- 2 CFM
- Maximum Pressure
- 150 psi
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A 12 volt portable compressor with enough weight and power source to handle larger tire airing jobs on the road.

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VIAIR 400P Portable Air Compressor KitModel 400P
Makita MAC2400 Big Bore Air Compressor 2.5 HPModel MAC2400
Makita MAC700 Big Bore Air Compressor 2.0 HPModel MAC700
BOSTITCH BTFP2KIT 2-Tool and Compressor Combo KitModel BTFP2KITThese 4 air tools have the highest ProductDome scores among the established products in this category, meaning ones with a large volume of owner ratings and strong evidence; on a tie, the product with more rating evidence ranks first. The score combines owner satisfaction, rating volume, demand and data quality from public Amazon listings (updated 3 days ago). We do not test products ourselves.
MAKITA, DeWalt, BOSTITCH, VIAIR, 4000A lead this category among the 7 brands that passed our curation checks.
A listing appears only when it has a recorded price, a minimum customer rating, and enough ratings or monthly sales. Generic and unbranded listings are left out, while every real brand stays, including brands sold only on Amazon. The ones that pass are ordered by the ProductDome score, which weighs owner satisfaction, rating volume, demand and data quality.
Air compressors and tire inflators serve different jobs: a compressor supplies air for compatible pneumatic tools, while a dedicated tire inflator is intended for inflation and may lack the airflow and connections needed to run those tools. For tires, match the inflator’s permitted uses to your vehicle’s tires; for air tools, use the tool’s air requirements to select the compressor, since reaching the required pressure is not enough.
For tool use, compare the compressor’s delivered airflow at the tool’s required working pressure with the tool manual’s demand for the same task. Among the 7 products that list air flow capacity, most fall between 2.6 and 5.4 cfm, and 3 cfm is typical. An airflow figure needs its stated pressure to make that comparison useful. Sustained spraying or sanding needs an air supply that can keep up throughout the task, while intermittent fastening gives the compressor opportunities to recover. For tire inflation, compare stated inflation times against your tire size and starting pressure, and read the permitted run time and cooling instructions. Higher target pressures and longer continuous operation can affect how soon an inflator needs a pause.
Tank size, portability and noise shape everyday use after air supply is settled. On compressors with a tank, a larger reservoir provides more stored air for short bursts, but cannot make up for inadequate pump output during sustained work. If the unit must travel between a garage and a vehicle, compare its weight, dimensions and handle position with what you can lift and the storage space available. If wheels are fitted, assess whether they suit the steps and surfaces along your route. For work near occupied rooms, compare noise figures under similar measurement conditions; distance and whether the pump is running affect how useful that comparison is.
Before buying, confirm the required power source and any circuit or vehicle-socket requirements in the manual. For compressors, match the hose bore, pressure rating and coupler fitting to the tool and compressor; for inflators, confirm valve access and whether the supplied connector fits. Compatible hoses, adapters and inflation attachments may be sold separately. Material labels such as Blend, Aluminum and Cast Iron need a part-level description to be useful. Check whether the pump needs oil and how to drain any fitted tank. If the unit uses replaceable intake filters, check their availability and whether spares are supplied or sold separately.
How we list products: every listing here has a recorded price, a minimum customer rating and enough ratings or monthly sales. Generic and unbranded listings are left out; every real brand stays, including brands sold only on Amazon. Products are ordered by the same ProductDome score on every page.Editorial policy