Diesel Data: Automotive Repair

Oxygen Sensor Unit Protective Pipes






Oxygen Sensor Unit Protective Pipes

In addition to using the part number, the protective pipe can also be used for identification.

Version D1 - 6 openings, 3.5 mm each

Only used with the 4-pin oxygen sensor





Version D2, 6 openings, 2 mm each

Used with 4-pin and 6-pin universal oxygen sensors.





Version D4, 12 openings ,1.4 mm each

Used with 4-pin and 6-pin universal oxygen sensors.