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Cadillac STS Thermostat

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We stock Genuine OEM Cadillac Thermostat for your Cadillac STS. OEM thermostats are designed and manufactured to fit and function perfectly with your specific make and model of vehicle. They are designed to regulate the flow of coolant through your engine, ensuring that your engine operates at the correct temperature range. A malfunctioning thermostat can cause overheating, poor fuel efficiency, and potential engine damage, so replacing it with an OEM part can ensure optimal performance and reliability. Additionally, using an OEM thermostat can help ensure that the part is covered under the manufacturer's warranty. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

12706566 - : 2008-2014 Cadillac - Engine Coolant Thermostat and Housing Assembly for Cadillac: CTS, STS Image

2008-2014 Cadillac - Engine Coolant Thermostat and Housing Assembly
Part Number: 12706566
GM GM
Notes: Includes Thermostat.
Applications: 3.6L. 3.0L.
Other Names: Engine Coolant Thermostat Kit, Housing
Replaces: 12620251, 12638185, 12652328
Description: CTS. Wagon, 3.0, 3.6L. STS. 3.6l. Incl.Gasket,Housing and Thermostat. 3.0L, 3.6L, with direct injection.
Fits:
  • Cadillac:
    • CTS,
    • STS
MSRP $258.17
$140.57
12690766 - : 2004-2024 GM - Engine Coolant Thermostat Housing O-Ring for Cadillac: ATS, CT4, CTS, SRX, STS | Chevrolet: Camaro, Colorado | GMC: Canyon Image

2004-2024 GM - Engine Coolant Thermostat Housing O-Ring
Part Number: 12690766
GM GM
Notes: Included with thermostat housing.
Other Names: Engine Coolant Thermostat Housing Gasket, Seal
Replaces: 12584325
Description: 3.0L, 3.6L. O-Ring. All Required. 3.6L, 2013-2015. 3.6L, 2014-15. 3.6 & 2.8L. Coupe, 3.6L twin-turbo. 3.0, 3.6L.
Fits:
  • Cadillac:
    • ATS,
    • CT4,
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Camaro,
    • Colorado
  • GMC:
    • Canyon
MSRP $36.14
$22.60
12559807 - : 1993-2011 GM - Engine Coolant Thermostat for Buick: Lucerne | Cadillac: Allante, DeVille, DTS, Eldorado, Seville, SRX, STS, XLR | Oldsmobile: Aurora | Pontiac: Bonneville Image

1993-2011 GM - Engine Coolant Thermostat
Part Number: 12559807
GM GM
Notes: Included with thermostat housing.
Applications: 4.6L. 2 FAN SYSTEM. 3 FAN SYSTEM.
Other Names: Thermostat, 782
Replaces: 12554784, 12555811
Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • Allante,
    • DeVille,
    • DTS,
    • Eldorado,
    • Seville,
    • SRX,
    • STS,
    • XLR
  • Oldsmobile:
    • Aurora
  • Pontiac:
    • Bonneville
MSRP $94.12
$54.12
12563623 - : 2004-2010 Cadillac - Engine Coolant Thermostat Gasket for Cadillac: SRX, STS, XLR Image

2004-2010 Cadillac - Engine Coolant Thermostat Gasket
Part Number: 12563623
GM GM
Applications: 4.6L. 1 FAN SYSTEM.
Other Names: Thermostat Housing Gasket
Description: STS. 4.6L, without trailer package. XLR. SRX. 4.6l. Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the...
Fits:
  • Cadillac:
    • SRX,
    • STS,
    • XLR
MSRP $37.54
$23.46
12582472 - : 2004-2024 GM - Engine Coolant Thermostat Seal for Cadillac: ATS, CT4, CTS, SRX, STS | Chevrolet: Camaro, Colorado | GMC: Canyon Image

2004-2024 GM - Engine Coolant Thermostat Seal
Part Number: 12582472
GM GM
Notes: Included with Thermostat Housing.
Applications: 3.6L. 3.0L. 1 FAN SYSTEM.
Other Names: Thermostat Housing O-Ring
Description: Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the engine This GM Genuine Part is designed, engineered,...
Fits:
  • Cadillac:
    • ATS,
    • CT4,
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Camaro,
    • Colorado
  • GMC:
    • Canyon
MSRP $10.74
$6.86
12681140 - : 2004-2024 GM - Engine Coolant Thermostat Housing Gasket for Buick: Enclave, LaCrosse, Rendezvous | Cadillac: ATS, CT4, CTS, SRX, STS, XTS | Chevrolet: Camaro, Caprice, Captiva Sport, Colorado, Equinox, Impala, Impala Limited, Malibu, Traverse, Traverse Limited | GMC: Acadia, Acadia Limited, Canyon, Terrain | Pontiac: G6, G8, Torrent | Saturn: Aura, Outlook, Vue Image

2004-2024 GM - Engine Coolant Thermostat Housing Gasket
Part Number: 12681140
GM GM
Notes: Included with thermostat housing.
Applications: 2.8L. 3.0L, 3.6L.
Other Names: Thermostat Housing Gasket
Replaces: 12566395, 12592527, 12625923
Description: Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help prevent leakage This...
Fits:
  • Buick:
    • Enclave,
    • LaCrosse,
    • Rendezvous
  • Cadillac:
    • ATS,
    • CT4,
    • CTS,
    • SRX,
    • STS,
    • XTS
  • Chevrolet:
    • Camaro,
    • Caprice,
    • Captiva Sport,
    • Colorado,
    • Equinox,
    • Impala,
    • Impala Limited,
    • Malibu,
    • Traverse,
    • Traverse Limited
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Canyon,
    • Terrain
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
MSRP $8.33
$5.43
12706567 - : 2004-2009 Cadillac - Engine Coolant Thermostat Housing for Cadillac: CTS, SRX, STS Image

2004-2009 Cadillac - Engine Coolant Thermostat Housing
Part Number: 12706567
GM GM
Notes: Includes Thermostat.
Applications: 3.6L. 2 FAN SYSTEM. 3 FAN SYSTEM.
Other Names: Housing
Replaces: 12573977, 12584433, 12597255, 12620259
Description: Incl.Gasket,Housing and Thermostat. 3.6L. Repairs leaking thermostat housings Manufactured to GM OE specification for fit, form,...
Fits:
  • Cadillac:
    • CTS,
    • SRX,
    • STS
MSRP $260.78
$141.99
12650486 - : 2016-2022 GM - Engine Coolant Thermostat Housing Gasket for Chevrolet: Colorado, Express 2500, Express 3500 | GMC: Canyon, Savana 2500, Savana 3500 Image

2016-2022 GM - Engine Coolant Thermostat Housing Gasket
Part Number: 12650486
GM GM
Notes: Included with thermostat housing.
Applications: 2.8L Diesel.
Other Names: Engine Coolant Thermostat Housing Seal
Description: 2.8L turbo diesel. Express, savana. Canyon, Colorado. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
Fits:
  • Chevrolet:
    • Colorado,
    • Express 2500,
    • Express 3500
  • GMC:
    • Canyon,
    • Savana 2500,
    • Savana 3500
MSRP $27.63
$17.26
12661950 - : 2014-2024 GM - Engine Coolant Thermostat for Cadillac: CT6, Escalade, Escalade ESV | Chevrolet: Camaro, Corvette Image

2014-2024 GM - Engine Coolant Thermostat
Part Number: 12661950
GM GM
Notes: Included with water manifold. Included with Water pump assembly.
Applications: 4.2L. 5.5L. 7.0L. 6.2L W/SUPERCHARGER.
Other Names: Thermostat, 1229
Description: CT6. 4.2L twin-turbo. Camaro. 7.0L. Corvette. Coolant manifold inlet. Controls the flow of coolant through your vehicle's radiator to...
Fits:
  • Cadillac:
    • CT6,
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $64.35
$37.00
85146482 - : 2022-2025 GM - A/C Evaporator Temperature Sensor for Cadillac: ESCALADE IQ, LYRIQ | Chevrolet: Blazer EV, Equinox EV, Silverado EV | GMC: Hummer EV Pickup, Hummer EV SUV, Sierra EV Image

2022-2025 GM - A/C Evaporator Temperature Sensor
Part Number: 85146482
GM GM
Notes: Included with AC & heater case.
Other Names: Temp Sensor, Thermostatic Switch, A/C Evaporator Temperature Sensor, F (S)Sensor
Description: Blazer EV. LYRIQ. Equinox EV. Silverado EV. Hummer EV Pickup. Hummer EV SUV. Evaporator. Sierra EV.
Fits:
  • Cadillac:
    • ESCALADE IQ,
    • LYRIQ
  • Chevrolet:
    • Blazer EV,
    • Equinox EV,
    • Silverado EV
  • GMC:
    • Hummer EV Pickup,
    • Hummer EV SUV,
    • Sierra EV
MSRP $95.06
$54.66
12587397 - : 2007-2025 GM - Water Inlet Seal for Buick: Rainier | Cadillac: CT6, CTS, Escalade, Escalade ESV, Escalade EXT | Chevrolet: Avalanche, Camaro, Caprice, Colorado, Corvette, Express 1500, Express 2500, Express 3500, Express 4500, LCF 3500, LCF 3500HG, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 1500 LTD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Silverado 3500 HD, SS, Suburban, Suburban 1500, Suburban 2500, Suburban 3500 HD, Tahoe, Trailblazer | GMC: Canyon, Envoy, Savana 1500, Savana 2500, Savana 3500, Savana 4500, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 1500 Limited, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Sierra 3500 HD, Yukon, Yukon XL, Yukon XL 1500, Yukon XL 2500 | Hummer: H2, H3, H3T Image

2007-2025 GM - Water Inlet Seal
Part Number: 12587397
GM GM
Notes: Included with thermostat housing. Included with water pump assembly. Included with water pump. Part cannot be reused/reinstalled.
Applications: 5.3L. 4.3L. 6.0L. 4.2L. 5.5L. 7.0L. 6.6L GAS. 8 CYLINDER. 6.2L W/O SUPERCHARGER.
Other Names: Thermostat Seal
Description: Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature...
Fits:
  • Buick:
    • Rainier
  • Cadillac:
    • CT6,
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Camaro,
    • Caprice,
    • Colorado,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Express 4500,
    • LCF 3500,
    • LCF 3500HG,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD Classic,
    • Silverado 1500 LTD,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500 Classic,
    • Silverado 3500 HD,
    • SS,
    • Suburban,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban 3500 HD,
    • Tahoe,
    • Trailblazer
  • GMC:
    • Canyon,
    • Envoy,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Savana 4500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD Classic,
    • Sierra 1500 Limited,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500 Classic,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2,
    • H3,
    • H3T
MSRP $10.84
$6.94
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