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Home GMC Sierra 2500 HD Classic Thermostat

GMC Sierra 2500 HD Classic Thermostat

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We stock Genuine OEM GMC Thermostat for your GMC Sierra 2500 HD Classic. 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.

12681132 - : 2007-2020 GM - Engine Coolant Thermostat and Housing Assembly for Buick: LaCrosse | Cadillac: SRX, XTS | Chevrolet: Captiva Sport, Equinox, Impala, Malibu | GMC: Terrain | Pontiac: G6, Torrent | Saturn: Aura, Vue Image

2007-2020 GM - Engine Coolant Thermostat and Housing Assembly
Part Number: 12681132
GM GM
Notes: Includes Thermostat, Gasket, And Bolts.
Applications: 3.6L.
Other Names: Engine Coolant Thermostat Kit, 1260
Replaces: 12603830, 12631889, 12638836
Description: 3.6L. Incl.Gasket,Housing and Thermostat. Optional. XTS. Without turbocharger. Impala. Repairs leaking thermostat housings
Fits:
  • Buick:
    • LaCrosse
  • Cadillac:
    • SRX,
    • XTS
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • Pontiac:
    • G6,
    • Torrent
  • Saturn:
    • Aura,
    • Vue
MSRP $162.47
$90.18
89018168 - : 2007-2025 GM - 187 Degrees Engine Coolant Thermostat with Seal for Buick: Rainier | Cadillac: 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 | Pontiac: G8 Image

2007-2025 GM - 187 Degrees Engine Coolant Thermostat with Seal
Part Number: 89018168
GM GM
Notes: Includes Water Inlet Seal. Included with thermostat housing. Included with water pump assembly. Includes Coolant Temperature Sensor....
Applications: 5.3L. 4.3L. 6.6L GAS. 6.0L, 6.2L. 8 CYLINDER. 6 CYLINDER 2018-2019. 6.2L W/O SUPERCHARGER.
Other Names: Engine Coolant Thermostat, 15231
Replaces: 12587396, 89017851
Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Fits:
  • Buick:
    • Rainier
  • Cadillac:
    • 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
  • Pontiac:
    • G8
MSRP $72.25
$41.56
55492938 - : 2016-2019 Buick Cascada - Engine Coolant Thermostat with Water Inlet for Buick: Cascada Image

2016-2019 Buick Cascada - Engine Coolant Thermostat with Water Inlet
Part Number: 55492938
GM GM
Notes: Included with oil cooler assembly.
Other Names: Thermostat Unit, 11788
Description: Cascada. Helps retain the thermostat to monitor the flow of coolant through your vehicle's engine and radiator Manufactured to GM...
Fits:
  • Buick:
    • Cascada
MSRP $110.41
$61.28
12666900 - : 2020-2024 GM - Thermostat Bypass Pipe Gasket for Buick: Encore GX | Chevrolet: Trailblazer Image

2020-2024 GM - Thermostat Bypass Pipe Gasket
Part Number: 12666900
GM GM
Notes: Included with thermostat unit.
Other Names: Thermostat Unit Gasket
Description: 1.3l turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original...
Fits:
  • Buick:
    • Encore GX
  • Chevrolet:
    • Trailblazer
MSRP $2.46
$1.60
96407677 - : 2004-2008 Chevrolet - Engine Coolant Thermostat Housing for Chevrolet: Aveo, Aveo5 Image

2004-2008 Chevrolet - Engine Coolant Thermostat Housing
Part Number: 96407677
GM GM
Notes: Includes Thermostat.
Other Names: Thermostat Housing, 16101
Replaces: 96282726
Description: Aveo, Aveo5. 2007-08. Repairs leaking thermostat housings
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5
MSRP $144.74
$80.33
12630780 - : 2013-2023 GM - Engine Coolant Thermostat Housing Gasket for Buick: Envision, LaCrosse, Regal, Regal Sportback, Regal TourX | Cadillac: ATS, CT6, CTS | Chevrolet: Blazer, Camaro, Colorado, Equinox, Impala, Malibu, Malibu Limited, Traverse | GMC: Acadia, Canyon, Terrain Image

2013-2023 GM - Engine Coolant Thermostat Housing Gasket
Part Number: 12630780
GM GM
Notes: Included with water inlet. Included with thermostat cover. Included with thermostat housing. Included with Water pump assembly.
Applications: 1.5L, 2.0L.
Other Names: Engine Coolant Thermostat Gasket
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:
    • Envision,
    • LaCrosse,
    • Regal,
    • Regal Sportback,
    • Regal TourX
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado,
    • Equinox,
    • Impala,
    • Malibu,
    • Malibu Limited,
    • Traverse
  • GMC:
    • Acadia,
    • Canyon,
    • Terrain
MSRP $12.00
$7.68
12674634 - : 2015-2024 GM - Outlet for Cadillac: CT5, CTS | Chevrolet: Camaro, Corvette Image

2015-2024 GM - Outlet
Part Number: 12674634
GM GM
Notes: Includes Thermostat & Gasket. Included with Water pump assembly.
Applications: 6.2L. W/O ZR1.
Other Names: Thermostat Housing, Outlet, 1242
Replaces: 12658723, 12670049
Description: Camaro. Corvette. CT5. 6.2L supercharged. CTS-v.
Fits:
  • Cadillac:
    • CT5,
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $151.38
$84.02
19316307 - : 2015-2018 Chevrolet City Express - 180 Degrees Engine Coolant Thermostat for Chevrolet: City Express Image

2015-2018 Chevrolet City Express - 180 Degrees Engine Coolant Thermostat
Part Number: 19316307
GM GM
Other Names: Thermostat
Description: City Express. Inlet. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal...
Fits:
  • Chevrolet:
    • City Express
MSRP $32.12
$20.08
90096383 - : 1988-1993 Pontiac LeMans - Engine Coolant Thermostat Housing O-Ring for Pontiac: LeMans Image

1988-1993 Pontiac LeMans - Engine Coolant Thermostat Housing O-Ring
Part Number: 90096383
GM GM
Other Names: Engine Coolant Thermostat Gasket
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Pontiac:
    • LeMans
MSRP $2.28
$1.48
10190925 - : 1987-1996 GM - Engine Coolant Thermostat for Chevrolet: Astro, Blazer, C1500, C2500, C3500, C3500HD, Camaro, G10, G20, G30, K1500 Pickup, K2500 Pickup, K3500 Pickup, P30, S10, S10 Blazer, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500, Tahoe | GMC: C1500 Pickup, C2500 Pickup, C3500 Pickup, C3500HD, G1500, G2500, G3500, Jimmy, Jimmy S15, K1500 Pickup, K2500 Pickup, K3500 Pickup, P3500, Safari, Savana 1500, Sonoma, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500, Syclone, Typhoon, Yukon | Oldsmobile: Bravada | Pontiac: Firebird Image

1987-1996 GM - Engine Coolant Thermostat
Part Number: 10190925
GM GM
Applications: 2.8L, 4.3L. 8 CYLINDER. 6 CYLINDER. 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.
Other Names: Engine Coolant Thermostat, 184
Description: All models. Tbi. 6 cylinder, without high output. Astro, Safari. 58.7mm Wide. Vendor:acdelco. Vendor #131-71. 4.3L. Controls the flow of...
Fits:
  • Chevrolet:
    • Astro,
    • Blazer,
    • C1500,
    • C2500,
    • C3500,
    • C3500HD,
    • Camaro,
    • G10,
    • G20,
    • G30,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P30,
    • S10,
    • S10 Blazer,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Tahoe
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • C3500HD,
    • G1500,
    • G2500,
    • G3500,
    • Jimmy,
    • Jimmy S15,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Safari,
    • Savana 1500,
    • Sonoma,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Syclone,
    • Typhoon,
    • Yukon
  • Oldsmobile:
    • Bravada
  • Pontiac:
    • Firebird
MSRP $27.42
$17.14
10101869 - : 1987-1993 GM - Engine Coolant Thermostat Housing Gasket for Chevrolet: Astro, LLV, S10, S10 Blazer | GMC: Jimmy S15, S15, Safari, Sonoma Image

1987-1993 GM - Engine Coolant Thermostat Housing Gasket
Part Number: 10101869
GM GM
Other Names: Engine Coolant Thermostat Housing Gasket
Description: Lower Housing. Helps seal the gap between the exterior of your vehicle's thermostat housing and the exterior of the engine to help...
Fits:
  • Chevrolet:
    • Astro,
    • LLV,
    • S10,
    • S10 Blazer
  • GMC:
    • Jimmy S15,
    • S15,
    • Safari,
    • Sonoma
MSRP $11.94
$7.64
25535214 - : Engine Coolant Thermostat Gasket for Buick: LeSabre, Park Avenue, Reatta, Regal, Riviera | Chevrolet: Lumina APV | Oldsmobile: 88, 98, Silhouette, Toronado | Pontiac: Bonneville, Trans Sport Image

Engine Coolant Thermostat Gasket
Part Number: 25535214
GM GM
Other Names: Thermostat Housing Gasket, Gasket
Description: Gasket.
Fits:
  • Buick:
    • LeSabre,
    • Park Avenue,
    • Reatta,
    • Regal,
    • Riviera
  • Chevrolet:
    • Lumina APV
  • Oldsmobile:
    • 88,
    • 98,
    • Silhouette,
    • Toronado
  • Pontiac:
    • Bonneville,
    • Trans Sport
MSRP $2.44
$1.63
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