I moved to AZ...from CO...is there a 160 or 180 thermostat for 2005 4.3 V-6's?

 

https://www.performancetrucks.net/fo...d.php?t=368179





just make sure it looks the same on the inside

 

I'm pretty sure the 4.3 doesn't use the same thermo as the LS engines so I don't think the above procedure applies. Just go to your local auto parts and I'd be willing to bet there's a decent chance that a small-block Chevy will fit it if they don't list a low-temp thermo for your truck.

 

It may not be the same but It could very well be designed the same and work just fine--- thats why I said make sure it looks the same on the inside