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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Replaces Cummins 4070801 and 3406889
NAPA: 6449
Strick: R20148222
Equivalent or interchangeable part numbers across major hydraulic adapter manufacturers:
replacing Motorcraft FD811
Kenworth Q21-1041 Air Pressure Sensor closeout Replaces Cummins 4070801 and 3406889The Kenworth Peterbilt Q21 1041 is a 150 PSI air pressure sensor used as the primary air system pressure transducer on Class 7 and 8 Paccar trucks, with a three pin circular connector and 2. 64 in overall length. PAI 730397 is the aftermarket equivalent and crosses directly to Mack 745 5005758, Navistar 2505669C91, and Peterbilt 17109AM, providing the air pressure feedback the dash gauge and ECM use to monitor brake system reservoir pressure.
