Temp adaptor on a srx?

[ols-1]

Where can I put the temp sensor adaptor on a 2001 Srx?
Number 18 or 41?
Here is a image:

Picture of the adaptor

 

[Mysledblows]

I ran one in 18 for a few years.

 

[norwegian]

What is the #41 for?

 

[ols-1]

#41, I think is a coolant hose going to the front cooler.

 

[ottawaair]

I would say #18 also.

 

[ols-1]

Okay, Thanks