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VIAIR 12V Air Compressors — Australian Review Hub

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VIAIR is an American compressor brand popular in the 4WD and off-road community worldwide. Their 400P model offers 47 LPM flow rate and 150 PSI maximum pressure in a portable package that competes directly with the ARB single motor at a lower price. The main trade-off is American-brand warranty support — less convenient for Australian buyers than the ARB dealer network, but VIAIR's direct warranty process is generally reliable.

Why Choose VIAIR? Choose VIAIR if you want near-ARB performance at a mid-range price, and are comfortable managing warranty directly through the brand rather than a local dealer network.

VIAIR 12V Air Compressors Review

Best for Performance per Dollar
Best for Performance per Dollar

VIAIR 400P Portable Compressor

8 /10
Our Score Excellent

At a Glance

Capacity 150 PSI max
Price ~$349
Weight ~3.0kg
Power Draw ~30A peak
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What We Like 5
  • 47 LPM flow rate is one of the fastest in the mid-range bracket
  • 150 PSI maximum handles high-pressure tyres on larger 4WDs
  • Popular and proven — large user community for advice and support
  • Quality construction with metal fittings and braided hose
  • Good value for the performance offered
Watch Out For 4
  • American brand — warranty support in Australia less convenient than ARB
  • 33% duty cycle requires rest breaks on big airing-up jobs
  • Slightly heavier than lightweight rivals
  • Battery clamps rather than Anderson plug can be fiddly on some setups
Our Verdict

The VIAIR 400P is a strong mid-range alternative to ARB for serious campers and 4WDers who want good flow rate and 150 PSI capability without the full ARB price. The American brand support is the main compromise vs the ARB CKMA12.

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Frequently Asked Questions

+ Is VIAIR available in Australia?

Yes — VIAIR is available through Amazon AU and select 4WD accessories retailers. Pricing can vary, so check multiple sources. Warranty claims go directly through VIAIR rather than through an Australian dealer network.

+ How does the VIAIR 400P compare to the ARB CKMA12?

The VIAIR 400P (47 LPM, 33% duty cycle, ~$349) vs ARB CKMA12 (42 LPM, 100% duty cycle, ~$449). The VIAIR is actually faster (47 vs 42 LPM) but has a significantly lower duty cycle (33% vs 100%). This means for airing up a single vehicle, the VIAIR is faster; for airing up multiple vehicles or extended use, the ARB's 100% duty cycle wins. The ARB also has better Australian warranty support.

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