Viair 400P-Automatic Portable Air Compressor
SKU: 26416972551

Viair 400P-Automatic Portable Air Compressor

Sale price$134.97 Regular price$149.97
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Viair 400P-Automatic Portable Air Compressor400P Automatic is VIAIRs first Automatic shut off function powerful portable tire inflator. This 33% duty cycle unit is capable of pressures up to 150 PSI and can be operated for up to 40 minutes at a time before needing to be rested (at up to 40 PSI). The 400P Automatic comes with a close ended gas station style air gun for added convenience. Portable compressors with automatic shutoff come into play when moving from tire to tire, and when checking

400P-Automatic is VIAIR’s first Automatic shut-off function powerful portable tire inflator. This 33% duty cycle unit is capable of pressures up to 150 PSI and can be operated for up to 40 minutes at a time before needing to be rested (at up to 40 PSI). The 400P-Automatic comes with a close-ended gas station-style air gun for added convenience.

Portable compressors with automatic shutoff come into play when moving from tire to tire, and when checking tire pressure in the middle of a tire fill. A typical portable compressor must be turned off between tire fills, and anytime you want to check tire pressure. If you aren’t near the compressor, this can turn into running laps back and forth to the portable compressor to turn the unit on and off. Automatic portables do not work in this fashion and will save you time & effort to get tires inflated quickly.

Features:

  • Gas Station-Style Tire Inflation Gun with 160 PSI Gauge
  • Thermal Overload Protector
  • Automatic Shut-Off Function
  • Quick Connect Air Hose with Heat Shield
  • Vibration-Resistant Diamond-Plate Sand Tray
  • Deluxe Dual Compartment Carry Bag
  • 40-amp Inline Fuse Holder
  • Dual Battery Clamps
  • 3 pc. Inflation Tips Kit

Specifications:

  • 12-Volt
  • Permanent Magnetic Motor
  • Duty Cycle: 33% @ 100 PSI
  • Max. Working Pressure: 150 PSI
  • Max. 12V Amp Draw: 30-Amps
  • Ingress Protection Rating: IP54
  • Dimensions: 10.87″L x 5.83″W x 7.48″H
  • Max Ambient Temp: +158°F
  • Min Ambient Temp: -4°F
  • Net Weight: 10.70 lbs.
  • Power Cord Length: 8 ft.
  • Air Hose Length: 30 ft.

P/N 40043

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26416972551

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Gabriela
Los Angeles, US
★★★★★ 5
Buena calidad de tela 👌
La tela es buena, me gusto!!
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Reviewed in the United States on January 14, 2026
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Robert Ponto
Natrona Heights, US
★★★★★ 4
Runs big. Fabric is nice. Love the color
It's a nice color of green and feels great. I ordered a medium due to the reviews. It's a larger than a normal medium so it's slightly too small. I usually wear XL and sometimes L. So, it does run big. I returned it but probably will order a L.
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Reviewed in the United States on December 22, 2025
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Pawtucket, US
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Cool
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Reviewed in the United States on December 25, 2025
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Weezie77
West Palm Beach, US
★★★★★ 2
Much too big.
Cute sweatshirt but I returned it. It was way oversized.
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Reviewed in the United States on January 29, 2026
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Renee M.
Whiting, US
★★★★★ 3
shirt is thin, sizing is useless
The shirt is thin but okay. The sizing is useless. I purchased a large and a medium. Each is marked with the size (L and M), but the two shirts are exactly the same size. Laid flat together or held up by the shoulders together, these two shirts are EXACTLY the same.
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Reviewed in the United States on November 27, 2025

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