Compact. Reliable. Locker-Ready.
Looking for a lightweight, ultra-compact compressor to run your ARB Air Locker? The ARB CKSA12 is your go-to. Small enough to mount almost anywhere, this 12V on-board compressor delivers reliable performance for locker engagement and light-duty air needs out on the trail.
Whether you’re adjusting tire pressures or just need a solid backup source of air, this unit gives you compressed air anywhere your truck goes. Plus, with a solid duty cycle and IP55 rating, it’s built to handle the real-world abuse of off-road life.
Key Features:
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Hard anodized cylinder bores for reduced friction
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Teflon-impregnated carbon fiber piston seals for longer life
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Anodized heat-dissipating mounting bracket (can be rotated 180)
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Built from lightweight, high-strength engineering materials
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Relocatable splash-resistant air filter
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Fully sealed for dust and moisture resistance (IP55 rating)
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Tested for current draw, flow rate, and leaks at the factory
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3-year warranty from ARB
Performance Specs:
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Voltage: 12V
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Max Pressure: 100 PSI
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Max Amps: 9
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Duty Cycle: 35% @ 21/39 (21 minutes on / 39 off)
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Air Flow @ 0 PSI: 0.98 CFM
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Air Flow @ 29 PSI: 0.70 CFM
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Weight: 3.3 lbs
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Dimensions: 6.4″ L x 3.5″ W x 4.8″ H
Ideal For:
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Activating ARB Air Lockers
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Inflating small tires or camping gear (optional Pump-Up Kit recommended)
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Backup onboard air supply for light trail use
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Ultra-compact mounting in engine bays or cargo areas
Part Number: CKSA12
Installation Notes:
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Mounts easily in tight spaces
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Air filter assembly can be relocated for cleaner intake air
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Add Pump-Up Kit (171302) for inflation use
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Pair with ARB Air Lockers for full locker control
Frequently Asked Questions:
Q: Is this compressor enough to inflate full-size off-road tires?
A: It’s not built for large tire inflation. For that, check out the CKMA12 or CKMTA12 compressors.
Q: Can this power both front and rear lockers?
A: Yes, but with reduced duty cycle. Its ideal for single or dual locker use with minimal air demand.
Q: Is this waterproof?
A: Its IP55 ratedresistant to water spray and dust, but not submersible.
Q: Can it be mounted inside the vehicle?
A: Yesits quiet and compact enough to mount in the cab or storage area.
Part Number: CKSA12
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