Best Air Compressor for Truck Bed (2026): 5 Kits Compared
Five on-board and portable air compressors for truck beds, compared by tank size, pressure, duty cycle, mounting and warranty.
On this page
Top picks at a glance
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- 1
Best OverallVIAIR 20005 Air Source Kit9.5/10View on Amazon - 2
Best Portable KitALL-TOP Dual Cylinder Inflator9.5/10View on Amazon - 3
Best Tank SizeLLNSEAUTO Onboard Air Kit9.5/10View on Amazon - 4
Best On-BoardARB CKMA12 On-Board Compressor9.4/10View on Amazon - 5
in Cab On Board Air Compressor System Air Pump System withView on Amazon - 6
SmittyBilt AIR COMPRESSOR 5.65CFMView on Amazon - 7
Metabo HPT Portable Pancake Air CompressorView on Amazon - 8
Makita MAC2400 2.5 HP* Big Bore™ Air CompressorView on Amazon
A truck bed carries tools, gear and everything for the job, and air is the supply that runs out at the wrong time. An on-board or portable compressor kept in the bed tops off tires, runs air tools and feeds air horns and suspension without a trip to a service station. This guide compares the compressors below to find the best air compressor for truck bed setups, from tank-mounted kits that bolt into the bed to portable inflators that ride in the bed.
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Quick picks
- Best Overall VIAIR 20005 Air Source Kit: 2 gallon tank-mounted kit that mounts in the bed or under the chassis, with a pressure switch and safety valve. Check price on Amazon
- Best Portable Kit ALL-TOP Dual Cylinder Inflator: 150 PSI dual cylinder inflator with a digital inflator, 26 ft hose and a 2-year warranty. Check price on Amazon
- Best Tank Size LLNSEAUTO Onboard Air Kit: 2.5 gallon tank kit with a 120-150 PSI pressure switch and a 180 PSI safety valve. Check price on Amazon
- Best On-Board ARB CKMA12 On-Board Compressor: 12 volt on-board compressor for tire inflation and air locker differentials, at 7.7 pounds. Check price on Amazon
Picks for the garage
ALL-TOP Dual Cylinder Air Compressor with Digital
A 150 PSI dual cylinder portable inflator kit with a digital inflator, a 26 ft hose and a 2-year warranty, made for truck tires and 4x4 vehicles.
Pros
- 150 PSI with 12.35 ft³/min air flow
- Digital inflator with pressure gauge for inflating 4 tires without switching the compressor on and off
- Auto-thermal cut-off switch and pressure safety valve
- Kit includes 26 ft hose, 6.5 ft power cord, 3 nozzle adapters and a thumb lock adapter
Cons
- No tank is stated
- Spec table flow figures disagree with the bullets: 200 L/MIN and 350 cfm against 12.35 ft³/min
- No bed-mount bracket is stated
- No analog gauge is stated
VIAIR 150 PSI High-Flow Air Source Kit
A 150 PSI tank-mounted air source kit with a 2 gallon tank, a 280C compressor, a pressure switch and a safety valve, made to mount in the bed or under the chassis.
Pros
- Mounts in the bed or under the chassis
- 2 gallon tank with 5 ports for horns, suspension and tools
- Pressure switch, safety valve and drain cock included
- IP54 rated for dust and water
Cons
- Listing gives several pressure figures: 150 PSI rating, 145 PSI switch-off and 200 psi in the spec table
- Not intended to fill truck tires from flat to full
- 19.8 pounds
- Warranty covers manufacturer defects for one year only
Medium Duty Onboard Air System/Kit 150 PSI
A 150 PSI onboard air kit with a 2.5 gallon tank, a pressure switch and a safety valve, made for air horns and air pressure supply on trucks, SUVs and RVs.
Pros
- 2.5 gallon tank with 5 ports
- Pressure switch at 120 to 150 PSI with a 180 PSI safety valve
- Kit includes tank fittings, drain cock, air line and gauge wire with fuse holder
- 33% duty cycle at 100 PSI
Cons
- Spec table lists 45A max and 3 hp against 25 amps in the bullets
- No warranty term is stated
- Tank measures 20.25 by 6 by 8 inches, so bed space must be checked
- No pressure gauge is stated
ARB CKMA12 On-Board Air Compressor High
A 12 volt on-board compressor for tire inflation and air locker differentials, built from lightweight, high-strength engineering grade materials.
Pros
- Sealed for moisture and dust resistance
- Hard-anodized cylinder bore for reduced friction
- Heavy-duty maxi-fuse for circuit protection
- Lightweight at 7.7 pounds
Cons
- No tank is stated, despite a 60 gallon tank volume in the spec table
- No warranty term is stated; the warranty field reads only Warranty
- No PSI figure is stated in the bullets
- Maximum pressure is listed as 100 with no unit
maXpeedingrods Wireless On Board Air Compressor
A 120 PSI wireless on-board air compressor kit with app and remote control, three programmable presets and a pre-assembled compressor and manifold bracket for trucks, pickups, trailers and vans.
Pros
- Bluetooth app and remote control for on-the-go adjustment
- Three programmable presets
- Compressor and manifold pre-assembled on one bracket, vertical or horizontal install
- Waterproof heavy-duty compressor
Cons
- No tank is stated
- No warranty term is stated
- No tire inflation use is stated; the kit is for air suspension
- No flow figure is stated
Other tools worth a look
in Cab On Board Air Compressor System Air Pump System withCheck price on Amazon
SmittyBilt AIR COMPRESSOR 5.65CFMCheck price on Amazon
Metabo HPT Portable Pancake Air CompressorCheck price on Amazon
Makita MAC2400 2.5 HP* Big Bore™ Air CompressorCheck price on Amazon
Compared on paper
| Model | Shop Score | Tank | Max pressure | Flow | Power | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| VIAIR 20005 Air Source Kit | 9.5/10 | 2 gallons | 150 PSI | 1.59 CFM | 12V | 19.8 pounds | Not stated |
| ALL-TOP Dual Cylinder Inflator | 9.5/10 | Not stated | 150 PSI | 12.35 ft³/min | 12 volts | 11.72 kg | 2-year |
| LLNSEAUTO Onboard Air Kit | 9.5/10 | 2.5 gallons | 150 PSI | Not stated | 12 volts | 10.18 kg | Not stated |
| ARB CKMA12 On-Board Compressor | 9.4/10 | Not stated | Not stated | Not stated | 12 volt | 7.7 pounds | Not stated |
| maXpeedingrods Wireless Kit | 9.3/10 | Not stated | 120 PSI | Not stated | Not stated | 12.9 pounds | Not stated |
Specifications are manufacturer rated, as published on each listing and collected 28 October 2026. Where a listing contradicts itself, both figures are shown.
How the points were given
Each compressor is scored on performance, build, value, safety and warranty, with the weights published on the How We Pick page. Safety points come from stated relief valves, pressure switches and ratings: the VIAIR, ALL-TOP and LLNSEAUTO listings state a safety valve, while the ARB and maXpeedingrods listings state no relief valve or electrical listing, so they score zero on safety.
| Product | Shop Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| ALL-TOP Dual Cylinder Inflator | 9.5 | 28 | 20 | 20 | 4 | 3 |
| VIAIR 20005 Air Source Kit | 9.5 | 32 | 21 | 20 | 5 | 0 |
| LLNSEAUTO Onboard Air Kit | 9.5 | 29 | 21 | 20 | 5 | 0 |
| ARB CKMA12 On-Board Compressor | 9.4 | 27 | 20 | 19 | 0 | 0 |
| maXpeedingrods Wireless Kit | 9.3 | 26 | 19 | 19 | 0 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
What the listings tell you
This guide covers 5 compressor listings. Only 1 states a warranty term, and 3 state a safety valve. Tank kits and tankless on-board units sit side by side here, so the tank column and the mounting notes decide which shape fits the bed.
Buying guide: best air compressor for truck bed
Tank or tankless
A tank stores air for horns and tools, while a tankless unit builds pressure on demand. The VIAIR kit mounts a compressor on a 2 gallon tank, and the LLNSEAUTO kit pairs a compressor with a 2.5 gallon tank. The ARB, ALL-TOP and maXpeedingrods listings state no tank, so they build pressure on demand.
Pressure and duty cycle
Compare the pressure rating and the duty cycle, not just the headline figure. The VIAIR kit is rated at 150 PSI with a 30% duty cycle at 100 PSI, and the LLNSEAUTO kit lists a 33% duty cycle at 100 PSI. A duty cycle states how long the compressor runs before it must rest, so check it before long jobs.
Mounting in the bed
The VIAIR kit mounts inside or outside the vehicle, in the bed or under the chassis, and the maXpeedingrods assembly installs vertically or horizontally. Check the bracket and the space in the bed before ordering, and keep the drain cock reachable for draining the tank.
Electrical setup
Four listings state 12 volt power, and the LLNSEAUTO kit includes a 20 ft gauge wire with an inline fuse holder and a 40 amp relay. The ARB listing includes a heavy-duty maxi-fuse for circuit protection. Check the fuse and wiring in the listing before wiring a compressor to the truck, and wiring beyond a simple plug-in setup belongs to a licensed electrician.
Drain the tank after use so water does not rust it from the inside, never exceed the tool's rated pressure, wear eye protection, and run 240V units on the circuit the manual calls for. Do not run a gas engine compressor in a closed garage. Read our Safety Disclaimer.
Garage Fit Check
- A 2.5 gallon tank measures 20.25 by 6 by 8 inches in the LLNSEAUTO listing, so measure the bed space before ordering a tank kit.
- Keep the drain cock reachable: the VIAIR and LLNSEAUTO kits both include one.
- Store the portable kit where the hose reaches the tires: the ALL-TOP kit includes a 26 ft rubber air hose and a 6.5 ft power cord.
- Check the pressure switch settings before the first job: the VIAIR switch runs 110 PSI on and 145 PSI off, and the LLNSEAUTO switch runs 120 to 150 PSI.
FAQ: garage tools
Can an on-board compressor fill a truck tire from flat?
The VIAIR listing says its kit is not intended to fill truck tires from flat to full, but to top off as needed. The ARB listing lists tire inflation among its uses, and the ALL-TOP kit is a tire inflator kit for truck tires.
What size tank fits a truck bed?
The VIAIR kit uses a 2 gallon tank and the LLNSEAUTO kit a 2.5 gallon tank. Measure the bed space against the tank size in the listing, and keep the drain cock and fittings reachable after mounting.
Do I need a tank for air horns?
Both tank kits here are built around horns: the VIAIR kit powers air horns from its 2 gallon tank, and the LLNSEAUTO kit is designed for air horns that require an onboard air system.
Can I control a compressor from my phone?
The maXpeedingrods kit adjusts suspension through a Bluetooth-enabled mobile app and a remote controller, with three programmable presets. No other listing here states app control.
What does duty cycle mean?
A duty cycle states how long a compressor can run before it must rest. The VIAIR listing states a 30% duty cycle at 100 PSI with 30 minutes of continuous running, while the LLNSEAUTO listing gives 33% at 100 PSI.
Related: the air compressors hub.
