1991 Pontiac LeMans Thermostats

Your 1991 Pontiac LeMans might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Thermostats you desperately need.

We currently carry 4 Thermostats to choose from for your 1991 Pontiac LeMans, and our inventory prices range from as little as $5.79 up to $23.86.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Thermostats for the 1991 Pontiac LeMans. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 9 reviews on our Thermostats for the 1991 Pontiac LeMans from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Thermostats stock in-person!

Thermostats for Your 1991 Pontiac LeMans

Carquest Premium – Engine Coolant Thermostat: 195 Degrees (Part No.13349)

Engine Coolant Thermostat: 195 Degrees

from

$8.29
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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(3 reviews)
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13348)

Standard Thermostat: 180 Degrees

from

$7.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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ACDelco – Professional Engine Coolant Thermostat (Part No.G4000310403ACD)

Professional Engine Coolant Thermostat

from

$23.86
An ACDelco Professional, premium aftermarket Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is the ideal high quality replacement for your GM vehicle. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. This premium aftermarket replacement engine coolant thermostat is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
  • Professional, premium aftermarket replacement engine coolant thermostat
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Standard Thermostat: 160 Degrees (Part No.13346)

Standard Thermostat: 160 Degrees

from

$5.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More
View Product