[pat19581]

is this the auto tensioner that i have to replace got the water pump today getting belt and tensioner next week and is that all i need to replace

 

[sbr711]

Not familiar with XG30, but this should be the number -

24410-39001 -- TENSIONER-TIMING BEL $81.34 (price is USA dollar)

 

[A_Null]

Also, BECK/ARNLEY Part # 0241398, $49.79USD at rockauto.com

Shipping may be a bust though.

 

[MobMed]

Yes, that is the tensioner assembly.

You could just replace the pulley (which only costs around $20USD).

However, for peace of mind, I would replace the whole thing.

You should also replace the timing belt idler pulley (looks very similar to the timing belt tensioner pulley).