Walker Products 1019-1003 air brake pressure sensor for the 2000-2026 Kenworth W900 and other vehicles measures air pressure in the brake system. It passes that reading on to the truck's electronics.
A faulty pressure sensor can show up as a low-air warning that does not match the real air pressure, or as a pressure reading that looks wrong. Before you replace this sensor, rule out a leak in the air lines and a damaged connector or wiring; a shop can test the air system.
This air brake pressure sensor suits the 2000-2026 Kenworth W900, the 2000-2025 Kenworth T800 and the 2011-2022 Peterbilt 337. A truck takes one sensor. If your truck is not one of these, look up its make, model and year in the "Vehicles it fits" section further down.
Interchange: 3ABP0002 · Q211040
This part cross-references / interchanges with the following part numbers:
Is the Walker 1019-1003 air brake pressure sensor right for a 2000-2025 Kenworth T800?
Yes. Walker Products 1019-1003 is listed for the 2000-2025 Kenworth T800, and the truck takes one sensor.
Will the Walker 1019-1003 work on a 2011-2022 Peterbilt 337?
Yes. Walker Products 1019-1003 is listed for the 2011-2022 Peterbilt 337, with one sensor per truck.
Does Q211040 refer to the same air brake pressure sensor as Walker 1019-1003?
Yes. Q211040 is an interchange number for Walker Products 1019-1003, so the two cross-reference to the same sensor.
Could a false low-air warning come from a bad air brake pressure sensor?
Possibly. A faulty sensor can send a wrong pressure reading, and a shop can test the air system to see whether the sensor is the source.
Can I keep driving a truck with a failing air brake pressure sensor?
Have it checked or replaced promptly. Air brake faults affect stopping, so a shop should inspect the truck before it goes back on the road.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
