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Fasco · Probes & Sensors
1749 1907
In stock · ships from Knoxville
This is a normally open low air pressure switch that monitors air system pressure.
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All confirmed applications for this part number.
Freightliner
Freightliner
Primarily used in Freightliner Century, Columbia, and FLD models; may fit other Freightliner trucks with the same air switch. Known to be a common dash air leak point.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 18.
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When pressure falls below 65-75 PSI, the switch closes to complete an electrical circuit, typically activating a warning light or buzzer on the dashboard. It is commonly used on Freightliner trucks and is known to be a frequent leak point in the dash air system on Century, Columbia, and FLD models. Replacement is necessary when the switch fails to activate warnings or leaks air.
Part Number: 1749 1907
LOW AIR SWITCH
Dealer: KP Services Crossville
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