Wiring

Oxygen Sensor Unit Protective Pipes

~1min read
Note 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

Oxygen Sensor Unit Protective Pipes

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

Version D4, 12 openings, 1.4 mm each

Oxygen Sensor Unit Protective Pipes

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

Oxygen Sensor Unit Protective Pipes

Test yourself

A quick Volkswagen Polo quiz: every answer comes with an explanation and a link to the manual page.