HomeBelts and Cooling > Thermostat and HousingMotorad 243-195 Engine Coolant Thermostat
Part #: 243-195

Motorad 243-195 Engine Coolant Thermostat

Standard
⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Standard
🚗Fitment: Chevrolet, Pontiac, Buick, and Oldsmobile, Beretta, Cavalier, Corsica, Tempest, Skyhawk, and Firenza
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Reliable Engine Coolant Thermostat for Buick and Chevrolet Vehicles

The Motorad Standard 243-195 engine coolant thermostat is designed to maintain optimal engine temperature for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to open at 195 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

  • Sealing flange outside diameter: 1.81 inches
  • Height between flanges: 1.52 inches
  • Overall height: 2.17 inches
  • Standard type thermostat with O-ring seal
  • Includes a rubber gasket for secure sealing
  • Bypass diameter: 1.09 inches and bypass length: 1.42 inches
  • Flange thickness: 0.05 inches
  • Start to open temperature: 195°F
  • One seal included, no jiggle pin weep hole

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet original equipment specifications. The Standard engine coolant thermostat 243-195 provides consistent temperature regulation and reliable sealing with its included rubber gasket and O-ring seal type. This product line focuses on delivering quality components suitable for routine maintenance and repair on compatible vehicles.

Product Details and Compatibility

This engine coolant thermostat is compatible with various Buick, Chevrolet, Oldsmobile, and Pontiac models, including the Cavalier, Corsica, Firenza, Skyhawk, and Tempest. The thermostat opens at 195 degrees Fahrenheit, allowing coolant to circulate once the engine reaches optimal operating temperature. Its precise dimensions, such as a 1.81-inch sealing flange outside diameter and 2.17-inch overall height, ensure proper fitment and function within the cooling system.

Common Applications and Issues Addressed

  • Regulates engine temperature to prevent overheating
  • Maintains efficient coolant flow for engine performance
  • Replaces faulty or stuck thermostats causing temperature fluctuations
  • Prevents engine damage due to improper coolant circulation
  • Ensures proper sealing to avoid coolant leaks

Installation Notes and Tips

Installation of the Motorad Standard 243-195 thermostat requires removal of the old thermostat and housing. Ensure the sealing surfaces are clean before installing the new thermostat with the included rubber gasket and O-ring seal. No special installation tools are included, so standard hand tools are sufficient. Verify the thermostat orientation and bypass dimensions (1.09-inch diameter and 1.42-inch length) for correct fitment.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet OEM specifications, providing reliable temperature control and sealing. This product includes one rubber gasket seal to ensure leak-free operation. While specific warranty details are not provided, Motorad parts typically adhere to industry quality standards for durability and performance.

BrandMotorad
Part Number243-195
PositionStandard
Bypass Diameter1.09 in
Bypass Length1.42 in
Flange Thickness0.05 in
Gasket Or Seal IncludedYes
Gasket/Seal MaterialRubber
Gasket/Seal MaterialRubber
Height2.17
Height Between Flanges1.52
Installation Tool IncludedNo
Jiggle Pin Weep HoleNo
Number Of Seals1
Seal TypeO-Ring
Sealing Flange Outside Diameter1.81
Start to Open Temperature195
Temperature195 Deg. F
Temperature (Degree)195
TypeStandard

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991ChevroletCavalier2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1991ChevroletCorsica2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1991PontiacTempest2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1990ChevroletCavalier2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1990ChevroletCorsica2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1990PontiacTempest2.2LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1989BuickSkyhawk2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1989ChevroletCavalier2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1989ChevroletCorsica2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1989PontiacTempest2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1988BuickSkyhawk2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1988ChevroletCavalier2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1988ChevroletCorsica2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1988OldsmobileFirenza2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1988PontiacTempest2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1987BuickSkyhawk2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1987ChevroletCavalier2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1987ChevroletCorsica2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1987OldsmobileFirenza2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard
1987PontiacTempest2.0LL4N/A195F temperature with OE specified thermostat and seal.; Standard

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12T51E13889243-1952439527438899243195P3889

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.