Chevrolet Express 1500 Thermostat

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We stock Genuine OEM Chevrolet® Thermostat for your Chevrolet Express 1500. 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.

OEM NEW 1990-2014 GM Chevrolet GMC Oldsmobile Engine Coolant Thermostat 12632948

Part Number: 12632948

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

2003-2009 Chevrolet Bucik Cadillac Pontiac Engine Coolant Thermostat OEM NEW

Part Number: 12600171

Notes: Included with water inlet. Included with inlet assembly. Included with thermostat cover. Included with thermostat housing. Included with...

Applications: 5.7L. 3.6L. 6.0L, 6.2L. 8 CYLINDER. 3.5L, 3.9L, 5.3L.

Other Names: Engine Coolant Thermostat, 1047

Replaces: 12570358, 12581595

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,
- Rainier
Cadillac:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Impala,
- Monte Carlo,
- Silverado 1500,
- Silverado 1500 HD,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 3500,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- 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
Pontiac:
- G8,
- Grand Prix,
- GTO

MSRP $45.12

$26.36

Engine Coolant Thermostat O-Ring

Part Number: 12551507

Notes: Seal included with thermostat.

Applications: 5.7L.

Other Names: Engine Coolant Thermostat Gasket

Replaces: 12553106

Description: O-Ring. 6 cylinder, with high output. 4.3L. 2nd Design. Dual Thermostat. Diesel. 2003-14. All models. 8 cylinder, 1993-97. 1/2, 3/4 & 1...

Fits:

Buick:
- Roadmaster
Cadillac:
- Escalade,
- Fleetwood
Chevrolet:
- Astro,
- Blazer,
- C1500,
- C2500,
- C3500,
- C3500HD,
- Camaro,
- Caprice,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- G10,
- G20,
- G30,
- Impala,
- K1500 Pickup,
- K2500 Pickup,
- K3500 Pickup,
- P30,
- S10,
- S10 Blazer,
- Silverado 1500,
- Silverado 1500 Classic,
- Suburban C1500,
- Suburban C2500,
- Suburban K1500,
- Suburban K2500,
- Tahoe
GMC:
- C1500 Pickup,
- C2500 Pickup,
- C3500 Pickup,
- C3500HD,
- G1500,
- G2500,
- G3500,
- 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
Pontiac:
- Firebird

MSRP $11.52

$8.06

OEM NEW 1985-2017 GM Cadillac Lower Upper Engine Coolant Thermostat Seal 3522676

Part Number: 3522676

Notes: Included with reservoir tank. Included with thermostat housing.

Applications: 2.4L. 4.6L. 2.0L (2011-13).

Other Names: Thermostat Seal

Description: Seals your vehicle's thermostat housing Helps prevent coolant from leaking from the engine This GM Genuine Part is designed, engineered,...

Fits:

Buick:
- LaCrosse,
- Lucerne,
- Regal,
- Verano
Cadillac:
- 60 Special,
- Allante,
- DeVille,
- DTS,
- Eldorado,
- Fleetwood,
- Seville
Chevrolet:
- Captiva Sport,
- Cavalier,
- Classic,
- Cobalt,
- Equinox,
- Express 1500,
- HHR,
- Impala,
- Malibu,
- Silverado 1500
GMC:
- Savana 1500,
- Sierra 1500,
- Terrain
Oldsmobile:
- Alero,
- Aurora
Pontiac:
- Bonneville,
- G5,
- G6,
- Grand Am,
- Solstice,
- Sunfire
Saturn:
- Aura,
- Ion,
- L100,
- L200,
- L300,
- LS,
- LS1,
- LW1,
- LW200,
- Sky,
- Vue

MSRP $11.02

$7.57

Engine Coolant Thermostat Water Inlet Assembly

Part Number: 12600172

Notes: Includes Thermostat & Gasket. Includes Thermostat And Seal. Included with thermostat unit. Included with Water pump assembly.

Applications: 5.3L. 5.7L. 6.0L, 6.2L. 8 CYLINDER.

Other Names: Engine Coolant Thermostat Kit, 1048

Replaces: 12568911, 12581594

Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts...

Fits:

Buick:
- Rainier
Cadillac:
- CTS,
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 HD,
- Silverado 1500 HD Classic,
- Silverado 2500,
- Silverado 2500 HD,
- Silverado 2500 HD Classic,
- Silverado 3500,
- Silverado 3500 Classic,
- Silverado 3500 HD,
- SSR,
- Suburban 1500,
- Suburban 2500,
- Tahoe,
- Trailblazer,
- Trailblazer EXT
GMC:
- Envoy,
- Envoy XL,
- Envoy XUV,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Sierra 1500,
- Sierra 1500 Classic,
- Sierra 1500 HD,
- Sierra 1500 HD Classic,
- Sierra 2500,
- Sierra 2500 HD,
- Sierra 2500 HD Classic,
- Sierra 3500,
- Sierra 3500 Classic,
- Sierra 3500 HD,
- Yukon,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2
Pontiac:
- G8,
- GTO

MSRP $78.67

$45.98

Engine Coolant Thermostat Water Inlet Assembly

Part Number: 12571261

Notes: Includes Thermostat. Included with water pump.

Applications: 5.7L. 5.3L. 6.0L. 8 CYLINDER.

Other Names: Thermostat Housing, 852

Replaces: 12558838, 12558853, 12561157, 12562740

Description: Includes thermostat. All models. Corvette. 8 cylinder, 1998-02. 5.7L. S-series. 5.3L. Incl.Gasket,Housing and Thermostat. Hummer H2....

Fits:

Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche 1500,
- Avalanche 2500,
- Camaro,
- 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 EXT
GMC:
- Envoy XL,
- 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
Pontiac:
- Firebird

MSRP $75.11

$43.91

187 Degrees Engine Coolant Thermostat with Seal

Part Number: 89018168

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

$42.25

Water Inlet Seal

Part Number: 12587397

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

Engine Coolant Water Outlet

Part Number: 12556594

Applications: 8 CYLINDER. 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.

Other Names: Thermostat Housing, 770

Description: All models. 5.0l, 5.7l. Express, savana. 5.0l, 5.7l. 1/2, 3/4 & 1 ton, 1996 new style, 5.0, 5.7L. Thick base helps prevent leaks by...

Fits:

Cadillac:
- Escalade
Chevrolet:
- C1500,
- C2500,
- C3500,
- C3500HD,
- Express 1500,
- Express 2500,
- Express 3500,
- K1500 Pickup,
- K2500 Pickup,
- K3500 Pickup,
- P30,
- Suburban C1500,
- Suburban C2500,
- Suburban K1500,
- Suburban K2500,
- Tahoe
GMC:
- C1500 Pickup,
- C2500 Pickup,
- C3500 Pickup,
- C3500HD,
- K1500 Pickup,
- K2500 Pickup,
- K3500 Pickup,
- Savana 1500,
- Savana 2500,
- Savana 3500,
- Suburban C1500,
- Suburban C2500,
- Suburban K1500,
- Suburban K2500,
- Yukon

MSRP $45.16

$26.40

Engine Coolant Water Outlet

Part Number: 12556593

Applications: 4.3L. 6 CYLINDER 2003-2014.

Other Names: Thermostat Housing, 769

Description: 6 cylinder, with high output. Astro, Safari. Cpi, mpi. 4.3L. All models. Express, savana. 2003-14. This GM Genuine Part is designed,...

Fits:

Chevrolet:
- Astro,
- C1500,
- Express 1500,
- Express 2500,
- Express 3500,
- K1500 Pickup,
- P30
GMC:
- C1500 Pickup,
- K1500 Pickup,
- P3500,
- Safari,
- Savana 1500,
- Savana 2500,
- Savana 3500

MSRP $24.52

$15.94

OEM NEW 97-12 GM Chevrolet Engine Coolant Thermostat Housing Seal ORing 12561155

Part Number: 12561155

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

OEM NEW 2007-21 GM Cadillac Silverado Engine Coolant Thermostat Housing 12587395

Part Number: 12587395

Notes: Includes Thermostat. Included with water manifold. Included with water pump assembly.

Applications: 5.3L. 4.3L. 6.0L. 6.6L GAS. 8 CYLINDER. 6 CYLINDER 2018-2019. 6.2L W/O SUPERCHARGER.

Other Names: Engine Coolant Thermostat Housing, 949

Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts...

Fits:

Buick:
- Rainier
Cadillac:
- Escalade,
- Escalade ESV,
- Escalade EXT
Chevrolet:
- Avalanche,
- Colorado,
- Corvette,
- Express 1500,
- Express 2500,
- Express 3500,
- Express 4500,
- LCF 3500,
- LCF 3500HG,
- Silverado 1500,
- Silverado 1500 Classic,
- Silverado 1500 LTD,
- Silverado 2500 HD,
- Silverado 3500 HD,
- 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 Limited,
- Sierra 2500 HD,
- Sierra 3500 HD,
- Yukon,
- Yukon XL,
- Yukon XL 1500,
- Yukon XL 2500
Hummer:
- H2,
- H3,
- H3T

MSRP $17.94

$12.56

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