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AISIN OE matched engine coolant thermostats are designed for efficient, consistent performance and manufactured using only the highest quality materials. With superior OE technology and know-how, AISIN ensures that every thermostat provides perfect OE form, fit, and function and features the correct OE specified operating temperature. AISIN is a leader in the development and production of high-quality original equipment matched components and systems for the automotive industry. Founded in 1965 to produce original equipment automotive parts, AISIN has grown into a $25+ billion global enterprise with approximately 70,000 employees worldwide. Superior products through engineering excellence, progressive technological development, and dedication to service are some factors which have contributed to bringing AISIN to its position as a multiple-award-winning global leader in automotive parts.
Set Contains:
Thermostat
Dave
2025-09-05 10:14:19
Seems my last thermostat was open for 4+ years. Seems to open around 180F with a max temp of 188F so far. Was slightly different than the one I took off, but worked fine.My old gasket stuck to the engine and I had to peel it off and then scrape clean with a razor blade. I did not know that I was going to lose about a gallon of coolant. I needed to buy more.
Pete B.
2025-06-30 13:06:38
Used this part when doing a head gasket on 2014 prius. So far so good
Allen V.
2025-06-02 14:39:57
no issues using this thermostat. It was hard to install, but that is not the thermostat's fault. I decided to clean the manifold, pcv value and throttle body, so after taking that stuff out, it was easy to install. I bought this because i was already going to change the water pump on my daughter's 2010 prius.
jonathan
2025-05-17 13:42:44
has been working on my 2015 Prius for over a year now with no problems
Texas Dad
2025-04-12 16:27:59
It perfectly fit my 2012 Toyota Plug-in Prius. No issues.
Customer
2025-04-04 12:14:06
Replaced the water pump and thermostat. Recommend using the Titan 11330 1/4-Inch Drive x 2-1/4-Inch 90-Tooth Swivel Head Nano Ratchet or something similar for the thermostat.
Matthew
2025-04-02 12:58:01
Part worked good!4 stars due to shipping. Sold by Amazon but it shipped in its original packaging so it was half open and sliding around everywhere.
Wilson
2025-03-18 15:09:31
Installed a little over one month ago when I did a head gasket replacement on my fiancee's 2010 Prius. It's the OEM brand for Toyota. No overheating issues so far so it's working perfectly.
happyfeet
2025-02-27 13:16:53
Don't go with a marginally cheaper non-OEM part for this.Bit of a pain to remove the lower hose clamp, might want to consider buying a remote/flexible hose clamp tool and a set of plastic hose clamps for that part.Good luck!
Bilal
2025-01-20 17:37:24
Installed it at 223,000km and now I'm at 226,000km and no complaints.It's the same brand from the dealer just without it saying Toyota and costing double.
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