How to replace the engine coolant thermostat on Chevrolet Silverado 1500?

Begin Thermostat engine coolant replacement by following the engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) () tutorial to remove the housing before extracting the Thermostat. Start by placing the new Thermostat in position then reinstall the Thermostat Housing using the same engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) procedure.

OEM Chevrolet Silverado 1500 Thermostat

Engine Coolant Thermostat

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5 Thermostats found

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Chevrolet Silverado 1500 Thermostat Housing Part Number: 12674639
$59.91 MSRP: $123.10
You Save: $63.19 (52%)
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Product Specifications
- Other Name: Outlet Assembly-Water Pump (W/Thermostat); Engine Coolant Thermostat Housing; Thermostat Housing Cover; Water Outlet; Thermostat; Outlet, Engine Coolant Pump
- Replaced by: 19474058
- Replaces: 12666569, 12671393, 12657137
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, RST, SSV, WT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Thermostat Part Number: 12632948
$29.83 MSRP: $56.02
You Save: $26.19 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12257859, 12563335, 12557859, 12597583, 12551472
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Thermostat Part Number: 89018168
$36.41 MSRP: $72.25
You Save: $35.84 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 89017851
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023, 2007-2013 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, Hybrid, LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, XFE, ZR2 | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Thermostat Unit Part Number: 12600171
$24.02 MSRP: $45.12
You Save: $21.10 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 12581595
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Thermostat Part Number: 19420815
$37.26 MSRP: $73.96
You Save: $36.70 (50%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Kit, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS

Chevrolet Silverado 1500 Thermostat

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Chevrolet Silverado 1500 Thermostat Parts and Q&A

Thermostat
89018168
Q: How to replace the engine coolant thermostat on Chevrolet Silverado 1500?
A:
Begin Thermostat engine coolant replacement by following the engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) () tutorial to remove the housing before extracting the Thermostat. Start by placing the new Thermostat in position then reinstall the Thermostat Housing using the same engine coolant Thermostat Housing replacement (LY2, LH6, LY5, LMG, LY6) procedure.