PAI 730386 Air Pressure Sensor Replacement For Peterbilt Q21-1040 Drain Plug Persistent oil leak at the

Persistent oil leak at the pan-to-block sealing surface

Type Seal - Axial

04 in) Outside Diameter 106

Erratic or stuck oil-pressure gauge reading

PAI 730386 Air Pressure Sensor Replacement For Peterbilt Q21-1040 Drain Plug Persistent oil leak at theThe PAI 730386 (also marketed as 730386E) is a 085 PSIG air pressure sensor that replaces Kenworth Peterbilt Paccar OEM Q21 1040 on the truck air system. Three pin Packard style connector, threaded sensor port; used to feed dash gauges or the body controller with primary secondary tank pressure data on Kenworth and Peterbilt heavy trucks. Manufactured by PAI Industries in the USA. Signs You Need a New Air Pressure Sensor Air pressure gauge reads