Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Bendix · Probes & Sensors
279416
In stock · ships from Knoxville
This is a low air pressure indicator switch, LP‑3 style, with a single terminal and 1/4‑inch NPT port.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Universal fit
Universal LP‑3 style switch for any heavy‑duty air brake system that uses a 1/4" NPT low‑pressure indicator port.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is designed to close an electrical circuit when air pressure drops to approximately 60 psi, triggering a warning buzzer or light in the cab. It is typically replaced when the switch fails to activate at the correct pressure, causing false or no low‑air warnings, which is a safety concern.
Part Number: 279416
LOW AIR PRESSURE SWITCH
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
