How to replace a thermostat in a cooling system for Pontiac G6?

Before proceeding to blame the thermostat, check the level of coolant, and the tension of the drivebelt. Disconnect the battery cable on four-cylinder models, drain the cooling system, loosen hose clamps, and remove hoses from the thermostat housing cover. Remove nuts from the thermostat cover then remove the old gasket and thermostat insert the new gasket and thermostat reattach the radiator hose refill the cooling system. Undo the hose clamp for 3.5L and 3.9 L V6 models and disconnect the hose at the fitting on the thermostat housing, pull off the housing cover, pull out the old stat in one piece with seal, insert new rubber seal inside housing cover with new stat, replace housing cover.

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Engine Coolant Thermostat

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5 Thermostats found

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Pontiac G6 Thermostat,Engine Coolant
Part Number: 24507563
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 10182343, 3091114, 10226109, 03091114
$18.21 MSRP: $36.96
You Save: $18.75 (51%)

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Fits the following Vehicles:
2005-2006 Pontiac G6 | GT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK | 6 Cyl 3.5L
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Pontiac G6 Thermostat Assembly, Engine Coolant
Part Number: 12622410
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 21018811, 90537453, 55350941, 12615097
$75.03 MSRP: $152.26
You Save: $77.23 (51%)

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Fits the following Vehicles:
2006-2010 Pontiac G6 | GT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK | 4 Cyl 2.4L
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Pontiac G6 Housing Assembly, Engine Coolant Thermostat
Part Number: 12681132
- Other Name: Housing Assembly, Eng Cool Therm; Thermostat Housing
- Replaces: 12638836, 12603830
$82.03 MSRP: $172.33
You Save: $90.30 (53%)

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Fits the following Vehicles:
2007-2009 Pontiac G6 | GT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK | 6 Cyl 3.6L
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Pontiac G6 Housing Assembly, Engine Coolant Thermostat
Part Number: 12597172
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing, Water Manifold
$89.11 MSRP: $187.21
You Save: $98.10 (53%)

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Fits the following Vehicles:
2006-2010 Pontiac G6 | GT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK | 4 Cyl 2.4L
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Pontiac G6 Thermostat Assembly, Engine Coolant
Part Number: 12591881
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$41.10 MSRP: $83.41
You Save: $42.31 (51%)

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More Info
Fits the following Vehicles:
2006-2010 Pontiac G6 | GT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK | 6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9L
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Pontiac G6 Thermostat Parts Questions & Answers

Housing Assembly, Engine Coolant Thermostat
12681132
Q: How to replace a thermostat in a cooling system for Pontiac G6?
A: Before proceeding to blame the thermostat, check the level of coolant, and the tension of the drivebelt. Disconnect the battery cable on four-cylinder models, drain the cooling system, loosen hose clamps, and remove hoses from the thermostat housing cover. Remove nuts from the thermostat cover then remove the old gasket and thermostat insert the new gasket and thermostat reattach the radiator hose refill the cooling system. Undo the hose clamp for 3.5L and 3.9 L V6 models and disconnect the hose at the fitting on the thermostat housing, pull off the housing cover, pull out the old stat in one piece with seal, insert new rubber seal inside housing cover with new stat, replace housing cover.