7th Gen ('06-'07): Belt Tensioner Assembly 12596250

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Sep 11, 2025 | 10:04 PM

MikeMcD1973

Thread Starter

Joined: Feb 2018

Posts: 28

From: Orange Park, Florida

Belt Tensioner Assembly 12596250

The Belt Tensioner Assembly just broke on my 2007 Monte Carlo SS and I see it has been discontinued. Can someone point me in the right direction to find a replacement for it??

Sep 15, 2025 | 10:34 AM

MikeMcD1973

Thread Starter

Joined: Feb 2018

Posts: 28

From: Orange Park, Florida

Quote:

Originally Posted by MikeMcD1973

The Belt Tensioner Assembly just broke on my 2007 Monte Carlo SS and I see it has been discontinued. Can someone point me in the right direction to find a replacement for it??

Please, I know I put a lot of posts about issues I have with this car but I am lost on some of these problems. The spring part of the Belt Tensioner Assembly is what broke so if I can replace just that could someone let me know?? Again, sorry for bothering all of you, I just need some direction.

The Bottom Eye broke where the bolt goes through.

Sep 19, 2025 | 11:31 PM

The_Maniac

Monte Of The Month -- December 2011
Monte Of The Month -- September 2014

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Joined: Apr 2010

Posts: 12,606

From: Mentor, Ohio

I have heard this is a weird problem. I am not sure if a tensioner from a RWD LS would work or not, I want to say I heard it does but needs a modification. I think a guy in the Facebook group "LS4 Nation" is selling something. The other option is the salvage market....