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Home Chevrolet Silverado 2500 HD Classic Thermostat

Chevrolet Silverado 2500 HD Classic Thermostat

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We stock Genuine OEM Chevrolet® Thermostat for your Chevrolet Silverado 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.

55353492 - : OEM NEW 1997-2005 GM Cadillac Saturn Engine Coolant Thermostat Housing 55353492 for Cadillac: Catera, CTS | Saturn: L300, LS2, LW2, LW300, Vue Image

OEM NEW 1997-2005 GM Cadillac Saturn Engine Coolant Thermostat Housing 55353492
Part Number: 55353492
GM GM
Notes: Includes Thermostat.
Applications: 3.0L. 2.8L, 3.2L & 3.6L.
Other Names: Thermostat Housing, 11780
Replaces: 09120455, 22687712, 24420652, 30553038, 30563202, 90502201
Description: Saturn. 3.0l. Catera. Vue. CTS. 3.2l. Repairs leaking thermostat housings Corrects engine overheating caused by a failed thermostat
Fits:
  • Cadillac:
    • Catera,
    • CTS
  • Saturn:
    • L300,
    • LS2,
    • LW2,
    • LW300,
    • Vue
MSRP $87.24
$50.99
12632948 - : OEM NEW 1990-2014 GM Chevrolet GMC Oldsmobile Engine Coolant Thermostat 12632948 for Cadillac: Escalade | Chevrolet: Astro, Blazer, C1500, C2500, C3500, C3500HD, Express 1500, Express 2500, Express 3500, K1500 Pickup, K2500 Pickup, K3500 Pickup, P30, S10, Silverado 1500, Silverado 1500 Classic, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500, Tahoe | GMC: C1500 Pickup, C2500 Pickup, C3500 Pickup, C3500HD, Jimmy, K1500 Pickup, K2500 Pickup, K3500 Pickup, P3500, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Sonoma, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500, Yukon | Oldsmobile: Bravada Image

OEM NEW 1990-2014 GM Chevrolet GMC Oldsmobile Engine Coolant Thermostat 12632948
Part Number: 12632948
GM GM
Applications: 2.8L, 4.3L. 8 CYLINDER. 6 CYLINDER 2003-2014. 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.
Other Names: Engine Coolant Thermostat, 1179
Replaces: 12257859, 12557859, 12563335, 12597583
Description: S-series. 4.3l. 6 cylinder, with high output. Astro, Safari. Cpi, mpi. All models. Express, savana. 2003-14. Silverado, sierra. 4.3l....
Fits:
  • Cadillac:
    • Escalade
  • Chevrolet:
    • Astro,
    • Blazer,
    • C1500,
    • C2500,
    • C3500,
    • C3500HD,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P30,
    • S10,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Tahoe
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • C3500HD,
    • Jimmy,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Safari,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sonoma,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Yukon
  • Oldsmobile:
    • Bravada
MSRP $56.02
$32.74
11516480 - : OEM NEW 2008-15 GM Cadillac Pontiac CTS G8 Engine Water Pump Inlet Bolt 11516480 for Cadillac: CTS | Pontiac: G8 Image

OEM NEW 2008-15 GM Cadillac Pontiac CTS G8 Engine Water Pump Inlet Bolt 11516480
Part Number: 11516480
GM GM
Notes: Included with Water pump assembly.
Other Names: Thermostat Housing Bolt, 427
Replaces: 12557087
Description: 6.0 & 6.2L. Coupe, 6.2L. Fastens vehicle's components together This GM Genuine Part is designed, engineered, and tested to rigorous...
Fits:
  • Cadillac:
    • CTS
  • Pontiac:
    • G8
MSRP $9.39
$7.05
12620112 - : OEM NEW 02-09 GM Chevrolet GMC Buick Engine Coolant Thermostat Housing 12620112 for Buick: Rainier | Chevrolet: Trailblazer, Trailblazer EXT | GMC: Envoy, Envoy XL, Envoy XUV | Oldsmobile: Bravada Image

OEM NEW 02-09 GM Chevrolet GMC Buick Engine Coolant Thermostat Housing 12620112
Part Number: 12620112
GM GM
Notes: Includes Thermostat.
Applications: 4.2L. 6.0L. 5.3L.
Other Names: Thermostat Housing, 1144
Replaces: 12567750, 12572988, 12602913, 24576961
Description: 4.2L. Includes thermostat. Trailblazer. S-series. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
Fits:
  • Buick:
    • Rainier
  • Chevrolet:
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Envoy,
    • Envoy XL,
    • Envoy XUV
  • Oldsmobile:
    • Bravada
Backordered
10190925 - : OEM NEW 87-96 GM Chevrolet GMC Pontiac Sierra Engine Coolant Thermostat 10190925 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

OEM NEW 87-96 GM Chevrolet GMC Pontiac Sierra Engine Coolant Thermostat 10190925
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
$17.82
12690766 - : Thermostat Housing Seal for Cadillac: ATS, CT4, CTS, SRX, STS | Chevrolet: Camaro, Colorado | GMC: Canyon Image

Thermostat Housing Seal
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
$23.50
12561155 - : OEM NEW 97-12 GM Chevrolet Engine Coolant Thermostat Housing Seal ORing 12561155 for Buick: Rainier | Cadillac: Escalade, Escalade ESV, Escalade EXT | Chevrolet: Avalanche 1500, Avalanche 2500, Camaro, Colorado, Corvette, Express 1500, Express 2500, Express 3500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Trailblazer EXT | GMC: Canyon, Envoy, Envoy XL, Envoy XUV, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500 | Hummer: H2, H3, H3T | Oldsmobile: Bravada | Pontiac: Firebird Image

OEM NEW 97-12 GM Chevrolet Engine Coolant Thermostat Housing Seal ORing 12561155
Part Number: 12561155
GM GM
Notes: Included with thermostst housing.
Other Names: Engine Coolant Thermostat Gasket
Description: O-Ring. 4.2L. 2.8 & 2.9L. 5.3L. 6.0L. 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
Fits:
  • Buick:
    • Rainier
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 1500,
    • Avalanche 2500,
    • Camaro,
    • Colorado,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 HD,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe,
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Canyon,
    • Envoy,
    • Envoy XL,
    • Envoy XUV,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 HD,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 3500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2,
    • H3,
    • H3T
  • Oldsmobile:
    • Bravada
  • Pontiac:
    • Firebird
MSRP $37.64
$24.47
12557563 - : Engine Coolant Water Outlet for Chevrolet: Blazer, S10, Silverado 1500, Silverado 1500 Classic, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500 | GMC: Jimmy, Sierra 1500, Sierra 1500 Classic, Sonoma, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500 | Oldsmobile: Bravada Image

Engine Coolant Water Outlet
Part Number: 12557563
GM GM
Applications: 2.8L, 4.3L.
Other Names: Thermostat Housing, 773
Replaces: 10244764, 12594929
Description: All models. 4.3l. Silverado, sierra. 4.3l. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring seal...
Fits:
  • Chevrolet:
    • Blazer,
    • S10,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500
  • GMC:
    • Jimmy,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sonoma,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500
  • Oldsmobile:
    • Bravada
MSRP $122.18
$66.89
12587397 - : 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

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
$7.59
12622410 - : 13-14 Lacrossel Verano Equinox Terrain Malibu Engine Coolant Thermostat OEM NEW for Buick: LaCrosse, Regal, Verano | Chevrolet: Captiva Sport, Cavalier, Classic, Cobalt, Equinox, HHR, Impala, Malibu | GMC: Terrain | Oldsmobile: Alero | Pontiac: G5, G6, Grand Am, Solstice, Sunfire | Saturn: Aura, Ion, L100, L200, L300, LS, LS1, LW1, LW200, Sky, Vue Image

13-14 Lacrossel Verano Equinox Terrain Malibu Engine Coolant Thermostat OEM NEW
Part Number: 12622410
GM GM
Notes: Included with thermostat housing. Included with Water pump assembly.
Applications: 2.2L, 2.4L. 2.0L (2011-13).
Other Names: Thermostat, 1155
Replaces: 12615097, 21018811, 55350941, 90537453
Description: Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Cavalier,
    • Classic,
    • Cobalt,
    • Equinox,
    • HHR,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • Oldsmobile:
    • Alero
  • Pontiac:
    • G5,
    • G6,
    • Grand Am,
    • Solstice,
    • Sunfire
  • Saturn:
    • Aura,
    • Ion,
    • L100,
    • L200,
    • L300,
    • LS,
    • LS1,
    • LW1,
    • LW200,
    • Sky,
    • Vue
MSRP $153.83
$75.03
24506985 - : Engine Coolant Thermostat O-Ring for Buick: Century, LaCrosse, LeSabre, Lucerne, Park Avenue, Reatta, Regal, Riviera, Skylark | Chevrolet: Camaro, Impala, Lumina, Lumina APV, Monte Carlo | Oldsmobile: 88, 98, Achieva, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Intrigue, LSS, Regency, Silhouette, Toronado | Pontiac: Bonneville, Firebird, Grand Am, Grand Prix, Trans Sport Image

Engine Coolant Thermostat O-Ring
Part Number: 24506985
GM GM
Notes: Included with thermostat.
Applications: 3.4L, 3.8L.
Other Names: Engine Coolant Thermostat Gasket
Replaces: 25535126
Description: O-Ring. Lucerne. 3.8, 3.9L. 3.8L. Thermostat,gasket. Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the...
Fits:
  • Buick:
    • Century,
    • LaCrosse,
    • LeSabre,
    • Lucerne,
    • Park Avenue,
    • Reatta,
    • Regal,
    • Riviera,
    • Skylark
  • Chevrolet:
    • Camaro,
    • Impala,
    • Lumina,
    • Lumina APV,
    • Monte Carlo
  • Oldsmobile:
    • 88,
    • 98,
    • Achieva,
    • Cutlass Calais,
    • Cutlass Ciera,
    • Cutlass Cruiser,
    • Intrigue,
    • LSS,
    • Regency,
    • Silhouette,
    • Toronado
  • Pontiac:
    • Bonneville,
    • Firebird,
    • Grand Am,
    • Grand Prix,
    • Trans Sport
MSRP $9.26
$6.95
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