Mechanical Car Thermostats

It’s simple: a mechanical car thermostat opens when your engine gets too hot, letting coolant flow, and then it closes when the temperature is just right. Summit...

It’s simple: a mechanical car thermostat opens when your engine gets too hot, letting coolant flow, and then it closes when the temperature is just right. Summit Racing Equipment is your ultimate source for mechanical thermostats, with applications for every engine size and opening temperature you would ever need!

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When the heat is on, equip your car or truck with a high-quality thermostat. Shop for stock car thermostat replacements and high-performance upgrades from manufacturers like Meziere, Stant, Vintage Air, ACDelco, Dorman, FlowKooler, JET Performance, Motorcraft, and many more.

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Showing In Stock Items. Show All 62 Items.

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Results 1 - 25 of 60

Mishimoto Thermostats MMTS-JED-06L

Thermostat, Standard-flow, 180 degrees, Copper/Stainless Steel, Chrysler, Dodge, Jeep, Each

Part Number: MIO-MMTS-JED-06L

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-MUS8-11

Thermostat, Standard-flow, 160 degrees, Copper/Stainless Steel, Ford, Each

Part Number: MIO-MMTS-MUS8-11

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-VET-180

Thermostat, Mechanical, Standard-Flow, 180 Degrees, Copper/Stainless Steel, Chevrolet, GMC, Each

Part Number: MIO-MMTS-VET-180

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-VET-05

Thermostat, Mechanical, Standard-flow, 169 degrees, Copper/Stainless Steel, Buick, Chevy, GMC, Hummer, Pontiac, Each

Part Number: MIO-MMTS-VET-05

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-CHV-01DH

Thermostats, Mechanical, 185 degree, 191 degree, Standard-flow, Chevy, 6.6L Duramax Diesel, Pair

Part Number: MIO-MMTSCHV01DH

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-GM-92L

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Buick, Chevy, Pontiac, Each

Part Number: MIO-MMTS-GM-92L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-VET-14

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Chevy, GMC, Each

Part Number: MIO-MMTS-VET-14

2.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-VET-97L

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Chevy, GMC, Pontiac, Isuzu, Each

Part Number: MIO-MMTS-VET-97L

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-RAM-99L

Thermostat, Standard-flow, 180 degrees, Copper/Stainless Steel, Dodge, Ram, Each

Part Number: MIO-MMTS-RAM-99L

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-MUS-05L

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Ford, Lincoln, Mercury, Each

Part Number: MIO-MMTS-MUS-05L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-NEO-97L

Thermostat, Standard-flow, 158 degrees, Copper/Stainless Steel, Dodge, Each

Part Number: MIO-MMTS-NEO97L

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-TC-05L

Thermostat, Mechanical, Standard-flow, 154 degrees, Copper/Stainless Steel, Scion, Each

Part Number: MIO-MMTS-TC-05L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-MUS-86

Thermostat, 154 Degrees, Standard-Flow, Ford, 5.0L, Each

Part Number: MIO-MMTS-MUS-86

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats for 1987-2006 WRANGLER - MMTS-WRA-87L

Thermostat, Mechanical, Standard-flow, 180 degrees, Copper/Stainless Steel, Jeep, Each

Part Number: MIO-MMTS-WRA-87L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-WRA-03L

Thermostat, Mechanical, Standard-flow, 180 degrees, Copper/Stainless Steel, Chrysler, Dodge, Plymouth, Jeep

Part Number: MIO-MMTS-WRA-03L

4.25 out of 5 stars ( 8 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-F2D-96H

Thermostat, Standard-flow, 205 degrees, Copper/Stainless Steel, Ford, 7.3L Diesel, Each

Part Number: MIO-MMTS-F2D-96H

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-F2D-11L

Thermostats, Standard-flow, 189/196 degrees, Copper/Stainless Steel, Ford, 6.7L Diesel, Pair

Part Number: MIO-MMTS-F2D-11L

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-CHV-01DL

Thermostat, Standard-flow, 174 and 180 degrees, Copper/Stainless Steel, Chevy, Pair

Part Number: MIO-MMTSCHV01DL

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-MUS-86A

Thermostat, 180 Degrees, Standard-Flow, Ford, 5.0L, Each

Part Number: MIO-MMTS-MUS-86A

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mishimoto Thermostats MMTS-MIA-90L

Thermostat, Mechanical, Standard-flow, 154 degrees, Copper/Stainless Steel, Mazda, Each

Part Number: MIO-MMTS-MIA-90L

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-F2D-96L

Thermostat, Standard-flow, 189 degrees, Copper/Stainless Steel, Ford, 7.3L Diesel, Each

Part Number: MIO-MMTS-F2D-96L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats for 1990-2019 CIVIC, 1986-2001 INTEGRA, 1992-1996 PRELUDE - MMTS-CIV-92L

Thermostat, Standard-flow, 154 degrees, Copper/Stainless Steel, for use on Honda®, Each

Part Number: MIO-MMTS-CIV-92L

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats for 1994-1998 RAM 2500, RAM 3500 - MMTS-RAM-94L

Thermostat, Standard-flow, 174 degrees, Copper/Stainless Steel, Dodge, 5.9L Diesel, Each

Part Number: MIO-MMTS-RAM-94L

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats MMTS-S2K-00L

Thermostat, Mechanical, Standard-flow, 154 degrees, Copper/Stainless Steel, for use on Acura®, Honda®, Each

Part Number: MIO-MMTS-S2K-00L

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mishimoto Thermostats for 1994-1998 RAM 2500, RAM 3500 - ZZZ-MMTS-RAM-94H

Thermostat, Standard-flow, 190 degrees, Copper/Stainless Steel, Dodge, 5.9L Diesel, Each

Part Number: MIO-MMTS-RAM-94H

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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