What is the object attached to the center back of the engine compartment of a 1996 Volvo 850 as circled in red in the photo below:

volvo 850 engine compartment

  • Do you have a better picture? This is too grainy to get a detailed look. Also, what Volvo model is this?
    – CharlieRB
    Commented May 8, 2017 at 14:19
  • I see it in the engine compartment of both the 850 wagon and in the V70. Both of those had the T5 engine, I believe (which this is, right)? I don't see what it is connected to directly, but looks as though a vacuum line is attached somehow. Not sure what it is, though. Commented May 8, 2017 at 14:43
  • In some of the pictures I have seen, it looks as though it has a slit loom with an electrical connector at the end.
    – CharlieRB
    Commented May 8, 2017 at 18:14

2 Answers 2


According to this video it is the horn for the alarm system. It is separate from the horns mounted by the radiator.

And eEuroparts.com shows the item as Volvo Alarm Horn - Genuine Volvo 30796932

enter image description here


Looks like a horn to me, but hard to tell from the low-res photo. enter image description here

Does it have electrical or vacuum connections going into it?

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