Cummins 3967251 Oil Pressure Sensor Replacement PTO Sending Unit HDCAB (Spec A–D)

HDCAB (Spec A–D)

Fits 3" inside-diameter fill necks used across Freightliner Cascadia

loop-bushing upper and lower mounts

50 in Extended Height 23

Kubota and Yanmar small industrial diesel packages cross-referenced to this filter platform

Cummins 3967251 Oil Pressure Sensor Replacement PTO Sending Unit HDCAB (Spec A–D)Engine oil pressure sensor replacing Cummins 3967251 on 4B 3. 9L, 6B 5. 9L, ISB 5. 9L, and QSB B series diesel engines. Manufactured by PAI Industries as 050638 with a 1 8 in 27 NPT thread, 3. 54 in overall length, and the original plastic knurled nut connector (M6 x 1 main pin, M4 x 0. 75 secondary). The sensor feeds oil pressure to the engine ECM and the in cab gauge ECM faults P0521 P0522 SPN 100 are common when this sensor fails. Specifications