How to replace the thermostat on Chevrolet Suburban 2500?

Initiating a thermostat replacement involves draining the cooling system first. Proceed by relocating the clamp securing the inlet hose to the water outlet before removing that hose from its position. Start by taking off two bolts securing the water outlet then remove both the water outlet and thermostat . Begin setup by setting the thermostat in place followed by installing the water outlet. The fastener notice must be followed during installation while torqueing the water outlet bolts to 30 Nm (22 ft. lbs.). Reinstall the inlet hose to the water outlet before clamping the inlet hose in place at the water outlet. Finally, fill the cooling system.

OEM Chevrolet Suburban 2500 Thermostat

Engine Coolant Thermostat

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3 Thermostats found

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Chevrolet Suburban 2500 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:
- 2007-2013 Chevrolet Suburban 2500 | LS, LT, LTZ | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 2500 Thermostat Part Number: 12559575
$17.99 MSRP: $33.78
You Save: $15.79 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12559269, 12559573, 10210450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 Chevrolet Suburban 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Suburban 2500 Thermostat Unit Part Number: 12600171
$24.02 MSRP: $45.12
You Save: $21.10 (47%)
Ships in 1-2 Business Days
ADD TO CART
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 Suburban 2500 | LS, LT | 8 Cyl 6.0 L GAS

Chevrolet Suburban 2500 Thermostat

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Chevrolet Suburban 2500 Thermostat Parts and Q&A

Thermostat
12559575
Q: How to replace the thermostat on Chevrolet Suburban 2500?
A:
Initiating a thermostat replacement involves draining the cooling system first. Proceed by relocating the clamp securing the inlet hose to the water outlet before removing that hose from its position. Start by taking off two bolts securing the water outlet then remove both the water outlet and thermostat . Begin setup by setting the thermostat in place followed by installing the water outlet. The fastener notice must be followed during installation while torqueing the water outlet bolts to 30 Nm (22 ft. lbs.). Reinstall the inlet hose to the water outlet before clamping the inlet hose in place at the water outlet. Finally, fill the cooling system.