Paccar Q21-6005 Speed Sensor – Kenworth Peterbilt 1995–2011 Air Pressure Regulator two threaded holes top) before

two threaded holes top) before ordering

This rectangular-bell air horn fits Mack tractors equipped with Hadley-style rectangular horn systems:

The QR-1C is mounted on the emergency side of spring-brake chambers

and Donaldson P553871

Standard or reflectorized lens versions and ABS-required versions are available — confirm the lens and connector spec on your existing lamp before ordering

Paccar Q21-6005 Speed Sensor – Kenworth Peterbilt 1995–2011 Air Pressure Regulator two threaded holes top) beforePaccar Q21 6005 speed tachometer sensor for 1995 2011 Kenworth and Peterbilt trucks equipped with Eaton transmissions using an internal tone ring. The 2 pin rectangular sensor mounts in the transmission tailshaft housing on a 3 4 16 fitting and supplies the vehicle speed and tachometer signals to the speedometer cluster, cruise control, and ECM. Common replacement when the speedometer drops to zero, the cruise won't hold, or the ECM logs a vehicle