Car Thermostat

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"Well-built thermostat" - by JZ
Seems to be a genuine Toyota part, but who knows. This thermostat does NOT come with a gasket that you NEED to properly install this thermostat. Order the gasket as well. Test before installing by submerging in a sauce pan filled with water. As the heated water approach 180 degrees, the stat should open slowly. Installed two months ago and no problems.
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"Buy this" - by RayGUN (FL)
Had put in another well known brand and temperature gauge would spike up after car idled for a few minutes in drive. The temperature gauge also read a little higher. Put in this thermostat and no more spikes and gauge reads where it did when the car was new. !999 Grand prix with 168200 miles.
I don't like GM because they are overpriced and I can buy quality aftermarket parts cheaper but in this case the OEM part worked better than the aftermarket.
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"Amazing" - by Racho120
Perfect fit, problem solved, of GM thermostat issue. code: P0597, engine light disappeared. Save around $500 not taking it to a dealer after all their shop towels, ridiculous labor and parts charges. Other than cleanup, it took me 20 min to install. Amazing Amazon!
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"Perfect fit." - by JB
OEM replacement part for Chevy Cruze 1.4 (2011). Relatively easy to replace.
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"Used on a 2001 Jeep Grand Cherokee" - by J. Brenke
I installed this in a 2001 Jeep Grand Cherokee with the 4.0 inline 6 cyl along with a new thermostat housing and water pump. It's a thermostat, it does it's job at regulating the engine temperature just like it should. The 195 degree thermostat is the factory recommended temp and fits the housing just like it should. Make sure you clean and dry the mating surfaces before you reinstall this to prevent any leaks.
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"Fixed my "Code P0128"." - by Amazon Customer (Frozen Wastelands)
Resolved problem with Service Engine Soon light, and the code for low-temperature coolant.

Sad that GM designs the thermostat and housing as one part number. This could have been a perfectly adequate three-dollar thermostat with a re-usable housing. I guess that's what passes for "environmentally friendly"--a bunch of disposable aluminum.
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"Keep your GM Original" - by Eddy
Exact replacement for my 2004 Malibu. Hi temperature and built to last!
I only use Genuine GM parts in my cars, and have never had any issues with the quality or performance!
I recommend this highly!
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"The Best - Works Great with BBC" - by RalphL (Maryland, USA)
I have a high performance 454 engine with a regular fan and brass radiator. I've been using the Stant 180 degree SuperStat with all of my Chevy engines. For the 454, we ran the engine at 3,000 RPMs for over 20 minutes for the initial engine break-in, and it did not get close to over-heating. I did drill two small 1/16" holes in the thermostat housing to allow the release of any air that might have been trapped in the system. Not sure if it's an old wive's tale to do this, but apparently it didn't hurt! Even with my rudimentary cooling system, my car has never over-heated.
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"Did the job when aftermarket had been problematic" - by Scott Russell
Works as expected. I'd had some thermostat related cooling issues with aftermarket thermostats (which up to that point I'd never had an issue with), so I decided to try an OE thermostat. Stable at running temp, and performs flawlessly. Money well spent.
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"... WRX and it seems to do the job just fine. I don't have a precise measuring sensor" - by Stephen Maurice (Houston, TX)
I installed this thermostat on my '02 WRX and it seems to do the job just fine. I don't have a precise measuring sensor, but the factory temperature gauge rises up to where it always has normally and everything functions just like OEM.
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"great product" - by AC (Canada )
The GM 3.4l engines tend to run too hot. This thermostat opens at a lower temperature than oem, and seems to have made a difference by lowering running temperature. Fits perfectly in my 2000 grand am gt.
"Worked ok" - by kgman (Los Angeles, CA)
Used the thermostat on my 2007 Lexus GX470. The mechanic told it was a perfect fit. Although I wish the seal was included with the item instead of buying it separately.
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"Two thumbs up - perfect fit for my 2004 Explorer" - by Lamar Steves
Old part had a slow leak for a while so decided to go with this part even though it had mixed reviews on Amazon. I liked the idea that it was completely assembled with a new thermostat as well. I was afraid that it might be a difficult replacement since there was a small cable bundle that was routed over the top of the original unit. Removed the upper radiator, heater, and lower hoses and the temperature sensor cable. The 3 bolts holding the unit to the mount came right off (did not experience difficult to remove / broken bolts like another reviewer). Was able to rotate the unit to avoid having to disconnect the cable bundle mentioned earlier. There were 2 smaller ports on the top of the original unit; one was plugged, the other held the temperature sensor unit. The new unit also had 2 smaller ports but ... full review
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"Works just fine on my 2006 Jeep Liberty" - by Jim P
Works just fine on my 2006 Jeep Liberty. Pay attention when installing this as unlike the OEM one, this can be installed backwards.
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"Stant 14209 Thermostat" - by Steven Kopec (New Lenox, Illinois United States)
Had problem of car thermostat staying open all the time. This results in little or no heat from heater and almost no noticeable rise in the engine temp gauge. Antifreeze was due to be replaced, so I asked mechanic to replace thermostat as well. I provided Thermostat and gasket and he replaced it as part of anti-freeze service. Total coast $69.95 for antifreeze replace and cost of thermostat and gasket--less than $10. An excellant value as auto parts store wanted $15 for thermostat. I recommend this product and am enjoying the heater this winter.