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The VIAIR 450c 12-volt tankless air compressor kit (100% duty cycle @ 100 psi) is available for purchase today.

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VIAIR 450C 12-Volt Tankless Air Compressor Kit (100% Duty Cycle @ 100 PSI)
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VIAIR Air Compressors and Accessories
Model: 45040
 (Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
6 Reviews
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$193.99
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  • Features
  • Specs
  • Q&A 
  • 6
    Reviews
  • Articles
  • Shipping
  • Accessories
Application
Contractor Grade Air Compressors
Style
DC Compressors
CFM
1.31
CFM Rated @ 40 PSI
Designed To Fill Air Tanks, For Tanks 5-Gallon & Smaller
•Not equipped w/ ON/OFF switch or pressure sensitive shutoff
•Use of a pressure switch & relay recommended & required

Built For Years Of Reliable Service
•Gearless, direct-drive 12V electric motor w/ sealed housing
•Oil-less design

High-Quality Components
•Anodized piston cylinder & PTFE piston ring
•Precision, high-speed, durable bearings

Efficient, Over-sized Heat Sink Head Assembly
•Provides increased heat dissipation, duty cycle & performance

High Performance Check Valve
•Eliminates restart pressure on head and piston

Thermal Overload Protection
•Prevents compressor damage in the event of overheating

Added Features
•1-1/2 foot stainless steel braided leader hose w/ 1/4" male fitting
•Heavy-duty mounting feet & reinforced vibration isolators

Includes Mounting Hardware
Motor
Voltage
12 Volt DC
Pump
CFM
1.31
CFM Rated @
40 PSI
Duty Cycle
100%
Tank
Tank Included
No
Overview
Weight
9.75 Pounds
Product Length
13.3 Inches
Product Width
8.9 Inches
Product Height
7.2 Inches
Consumer Warranty
1 Year
UPC
818114004506
Model
45040

Questions before buying? Ask Jim about this item. Sorry, do not submit repair related questions.
VIAIR 45040 Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
Pros
Easy To Use (2)
I'd Buy It Again (2)
Durable (2)
High Quality (2)
Light Weight (1)
Cons
None to display.
100% of respondents would recommend this product to a friend
6 Reviews  Sort by 
  
Jim, the Air Compressor Expert
Air Compressor Expert

Product Expert
Total Reviews
234 Reviews
Total Helpful Votes
3730 Helpful Votes
Air Compressors Direct Recommended

On-board air systems have a lot of different uses: filling big RV and ATV tires, mobile repair vans, race trailers, etc.

This is a great entry-level unit. While it won't run high-demand air tools, it's compact size and reasonable price make it perfect for topping off RV tires, or a small ATV/MX race setup.

It comes with everything you need to install it in your RV, trailer, or truck- switch, wiring, connectors, and a one gallon air tank.

If you want to run repair tools as well as get... more
Jim Recommends This Model
Was this review helpful?
329
Dan K.
Kalispell, MT
Purchased from Air Compressors Direct
Purchased 12/29/16
Most Helpful Positive Review
REVIEWED
JAN.
24
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Little Air Compressor
Awesome little compressor for being tank-less. Built very well with sufficient cooling fins for 100% duty cycle.
Pros: Durable, Light Weight, Reliable, High Quality
Dan Recommends This VIAIR Product
Was this review helpful?
10
Darrell
Purchased from Air Compressors Direct
Purchased 2/11/13
Total Helpful Votes
30 Helpful Votes
REVIEWED
MAR.
05
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Very Impressed
I am in the process of setting up a solar-powered water system and have the need for a 12 Volt DC air compressor. I have tried several and they do not last as they are designed for intermittent duty. One only lasted 30 minutes before failing.

I have run this compressor for as much as 12 hours continuously with no problems. I am very impressed with the function and quality of this unit.
Was this review helpful?
304
Carroll D.
Granite Shoals, TX
Purchased from Air Compressors Direct
Purchased 3/24/14
REVIEWED
MAY.
05
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Worked Just Like Advertised
Wished I would have got a pressure switch with the unit. Had to thrash around to find a switch.
Pros: Easy To Use, Quiet, Price, I'd Buy It Again
Carroll Recommends This VIAIR Product
Was this review helpful?
63
Donald A.
Gladewater, TX
Purchased from Air Compressors Direct
Purchased 11/15/13
REVIEWED
DEC.
09
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
My Air Compressor Story
It was easy to order and I received it in a timely fashion.
Pros: Durable, Easy To Use, High Quality, I'd Buy It Again
Donald Recommends This VIAIR Product
Was this review helpful?
75
Nicholas M.
Plymouth, MA
Purchased from Air Compressors Direct
Purchased 4/30/15
REVIEWED
MAY.
22
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Product Evaluation
Just wanted to say this is a great product at a great price. I will buy more.
Nicholas Recommends This VIAIR Product
Nicholas's Experience With Air Compressors Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"My CSR was great and knew his stuff."
 more
Was this review helpful?
10
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  • Ships via FedEx Ground
  • Free to Lower 48 States
  • Standard Rates to Alaska, Hawaii
We currently CANNOT ship this product to California or any destination outside of the United States
 


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Shop for the VIAIR 450C 12-Volt Tankless Air Compressor Kit (100% Duty Cycle @ 100 PSI) at Air Compressors Direct. Research VIAIR 818114004506 dc compressors online. Find VIAIR 45040 dc compressors & viair 100% duty air compressor features and specifications. Get the best deal; compare VIAIR 45040 prices now. Buy the 45040 direct and save.