What is the thermostat housing Bolt size?

Tiny
TYLER TACHELL
  • MEMBER
  • 1997 SUBARU LEGACY
  • 2.2L
  • 4WD
  • AUTOMATIC
  • 305,000 MILES
Hey there, I have the vehicle listed above Outback and I need to know the bolt size for the thermostat housing.
Monday, October 30th, 2023 AT 6:33 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi,

Our manuals don't indicate a size. I can tell you that the threaded diameter is usually either 6mm or 8mm, but I don't have the thread pitch or length.

I attached what I believe is the bolt you need below. It includes the OEM part number, but please confirm that is correct for your vehicle.

I hope in some way this helps.

Take care,

Joe
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Monday, October 30th, 2023 AT 7:48 PM

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