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Mitsubishi Thermostat Replacement

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Mitsubishi Thermostat Replacement

Mitsubishi NTC Thermostat Mitsubishi NTC Thermostat Mitsubishi NTC Thermostat Mitsubishi NTC Thermostat Mitsubishi  Thermostat
Mitsubishi Gates Thermostat Mitsubishi United States Thermostat Mitsubishi Gates Thermostat Mitsubishi NTC Thermostat Mitsubishi Gates Thermostat



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Do you offer colder range thermostats?
Most of the thermostats we offer are the stock temperature range. There is an exception to this. To see if we offer colder thermostats, please search using our catalog above for your application.

How can I replace my thermostat?
Replacing a thermostat is not a very tough job, but it's messy, and could be a pain. Below, we will go into detail about replacing a thermostat for most cars and trucks, but for your specific application, we recommend asking in our car forum.

Start by purchasing a new thermostat in our catalog, along with a thermostat gasket to ensure proper sealing and no leaks. We also recommend purchasing a gasket sealant like a RTV sealer. Make sure you also have a 50/50 coolant/water mixture to top off your system when you're done. Before you begin, make sure your engine is absolutelty COLD. Never do this on a warm or hot engine.

Find a shop towel or thick rag such as a bath towel, and put it over your radiator cap. Open the radiator cap through the towel, so if any coolant spills, the towel should catch it. Once you have released any pressure in the system, you now need to find the thermostat. The thermostat is usually located at the end of the upper radiator hose where the hose meets the engine. There is usually a thermostat housing or cover that is secured down with 2 or 3 bolts. Remove the radiator hose off of this housing using a screwdriver, or a clip clamp. The radiator hose might be stuck on there, so a good trick is to twist and turn the hose until it "snaps" off of the thermostat housing. Be careful, because when you pull the hose off, there will be a substaintial amount of coolant that pours out. Try to place something on the floor such as a towel to catch it.

Unbolt the two or three bolts on each side of the cover, and lift the cover up. You will see the thermostat there. Notice the way the thermostat is positioned. You will want to put the new thermostat in, the same way, not upside down. Take a picture with your phone in case you don't remember. You'll want to next remove the old RTV or gasket off of the edges of the thermostat cover. This is important, because if you don't do this, when you put in the new thermostat, and also the cover, it will leak. The surface needs to be as clean as possible. Use sandpaper or a scrub cloth to get off any final bits and pieces. Make sure no bits and pieces get down into the engine. Once done, put the new thermostat into it's place, and also the new gasket, making sure the bolt holes line up. Spread your RTV or gasket sealant on the cover that makes contact with the engine, and also on the base of the cover. Place the gasket on the cover base, and then gently put the cover over the thermostat. Tighten the bolts back, and replace the radiator hose.

Before starting the engine, give the sealant time to dry. We recommend 6-12 hours, but the sealant package should say how long it requires. The longer the better. Once it's dry, top off any coolant/water mix, and then run the engine until your radiator fan turns on. We recommend to leave the radiator cap off while the car warms up, to let any air bubbles escape. Do not fill with more coolant until the engine cools down. Do not open the radiator cap once you turn on the engine.

Latest Mitsubishi Thermostat Applications

01/94 -  Mitsubishi Eclipse GSX Turbo DSM 4G63 Gates Thermostat border= Gates Thermostat
01/94 - Mitsubishi Eclipse GSX Turbo DSM 4G63 82°C/180°F (OE temp.) 82°C/180°F (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82°C/180°F
06-09 Mitsubishi Eclipse 3.8 V6    GT 6G75 NTC Thermostat border= NTC Thermostat
06-09 Mitsubishi Eclipse 3.8 V6 GT 6G75 82°C/180°F (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. 82°C/180°F (OE temp.) The mounting ring around outside the diameter of thermostat is also included. No other additional gaskets should be required, but an appropriate liquid gasket sealant may be also used if so desired.
01/88 - 02/93 Mitsubishi Galant 2.0 DOHC 2WD 4G63 NTC Thermostat border= NTC Thermostat
01/88 - 02/93 Mitsubishi Galant 2.0 DOHC 2WD 4G63  88øC/191øF
04-04 Mitsubishi Lancer 2.4 SportBack 4G69 Gates Thermostat border= Gates Thermostat
04-04 Mitsubishi Lancer 2.4 SportBack 4G69 82øC/180øF (OE temp.) 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
  Gates Thermostat
05/96 - Mitsubishi Mirage 1.8 4G93 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
99 -  Mitsubishi Montero Sport 3.5 6G74 NTC Thermostat border= NTC Thermostat
99 - Mitsubishi Montero Sport 3.5 6G74 88øC/191øF (OE temp.)
Excluding Canada Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
  Gates Thermostat
06/01 - Mitsubishi Lancer 2.0 4G94 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
  Gates Thermostat
05/96 - Mitsubishi Mirage 1.5 4G15 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
  Gates Thermostat
01/94 - Mitsubishi Eclipse GST Turbo DSM 4G63 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
92-95 Mitsubishi Diamante 3.0 LS DOHC 6G72 NTC Thermostat border= NTC Thermostat
92-95 Mitsubishi Diamante 3.0 LS DOHC 6G72 82øC/180øF (OE temp.) The mounting ring around outside the diameter of thermostat is also included. No other additional gaskets should be required, but an appropriate liquid gasket sealant may be also used if so desired. The mounting ring around outside the diameter of thermostat is also included. No other additional gaskets should be required, but an appropriate liquid gasket sealant may be also used if so desired.
83-89 Mitsubishi Starion 2.6 Turbo G54B Gates Thermostat border= Gates Thermostat
83-89 Mitsubishi Starion 2.6 Turbo G54B 88øC/191øF (OE temp.)  90øC/195øF
  Gates Thermostat
04-06 Mitsubishi Lancer 2.4 Sedan 4G69 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.  82øC/180øF
06/97 - 01/00 Mitsubishi Montero 3.5 6G74 NTC Thermostat border= NTC Thermostat
06/97 - 01/00 Mitsubishi Montero 3.5 6G74 88øC/191øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
10/90 -  Mitsubishi 3000GT 3.0 DOHC 2WD 6G72 NTC Thermostat border= NTC Thermostat
10/90 - Mitsubishi 3000GT 3.0 DOHC 2WD 6G72 76.5øC/170øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
06/92 -  Mitsubishi Expo 2.4 7-Passenger 4G64 NTC Thermostat border= NTC Thermostat
06/92 - Mitsubishi Expo 2.4 7-Passenger 4G64 82øC/180øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not necessary. The appropriate liquid gasket sealant can be used as needed.
99-03 Mitsubishi Galant 3.0 V6 6G72 NTC Thermostat border= NTC Thermostat
99-03 Mitsubishi Galant 3.0 V6 6G72 88øC/191øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
99 -  Mitsubishi Montero Sport 2WD 3.5L 6G74 NTC Thermostat border= NTC Thermostat
99 - Mitsubishi Montero Sport 2WD 3.5L 6G74 88øC/191øF (OE temp.)
Excluding Canada Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
06/90 - 05/92 Mitsubishi Galant VR4 Turbo 4G63 NTC Thermostat border= NTC Thermostat
06/90 - 05/92 Mitsubishi Galant VR4 Turbo 4G63  88øC/191øF
06/97 - 07/04 Mitsubishi Diamante 3.5 SOHC 6G74 NTC Thermostat border= NTC Thermostat
06/97 - 07/04 Mitsubishi Diamante 3.5 SOHC 6G74 88øC/191øF (OE temp.) Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed. Mounting ring around outside diameter of thermostat also included. Other gaskets are not required. The appropriate liquid gasket sealant should be used as needed.
05/88 - 01/94 Mitsubishi Eclipse GST Turbo DSM 4G63 NTC Thermostat border= NTC Thermostat
05/88 - 01/94 Mitsubishi Eclipse GST Turbo DSM 4G63  88øC/191øF


Some Mitsubishi Thermostat Applications (View Full Catalog Above)

Mitsubishi 3000GT 3.0 DOHC 2WD Mitsubishi 3000GT VR4 Turbo Mitsubishi Diamante 3.0 ES SOHC
Mitsubishi Diamante 3.0 LS DOHC Mitsubishi Diamante 3.5 SOHC Mitsubishi Eclipse 1.8 SOHC
Mitsubishi Eclipse 2.0 DOHC Mitsubishi Eclipse GST Turbo DSM Mitsubishi Eclipse GSX Turbo DSM
Mitsubishi Eclipse 2.4 SOHC Mitsubishi Eclipse 2.4 SOHC-16V Mitsubishi Eclipse GT
Mitsubishi Eclipse 3.8 V6 GT Mitsubishi Eclipse 3.8 V6 GT Mitsubishi Endeavor 3.8 V6 2WD
Mitsubishi Expo 2.4 7-Passenger Mitsubishi Galant 2.0 DOHC 2WD Mitsubishi Galant 2.4 4-Cyl.
Mitsubishi Galant 2.4 SOHC Mitsubishi Galant 3.0 V6 Mitsubishi Galant VR4 Turbo
Mitsubishi Lancer 2.0 Mitsubishi Lancer 2.4 Sedan Mitsubishi Lancer 2.4 SportBack
Mitsubishi Lancer Evolution EVO 8 Mitsubishi Mirage 1.5 Mitsubishi Mirage 1.8
Mitsubishi Montero Sport 2WD 3.0L Mitsubishi Montero Sport 2WD 3.5L Mitsubishi Montero Sport 3.5
Mitsubishi Montero 3.5 Mitsubishi Montero 3.8 SOHC-24V Mitsubishi Outlander 2WD 2.4
Mitsubishi Outlander AWD 2.4 Mitsubishi Pickup 2.4 4-Cyl 2WD Mitsubishi Starion 2.6 Turbo

4G15 4G37 4G63 4G63T 4G64 4G69 4G93 4G94
6G72 6G74 6G75 A588 G54B


More Applications (View Full Catalog Above)

Acura Audi BMW Buick Cadillac Chevrolet Chrysler Dodge
Eagle Ford Geo GMC Honda Hyundai Infiniti Isuzu
Jaguar Jeep Kia Lexus Lincoln Mazda Mercedes Benz Mercury
Nissan Oldsmobile Plymouth Pontiac Porsche Rover Saab Saturn
Scion Subaru Suzuki Toyota Triumph Volkswagen Volvo
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