How to check and replace a thermostat in a cooling system on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

Before assuming the thermostat is to blame for a cooling system problem, it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. To remove and install the thermostat, follow the steps for either the V6 or V8 model. Also, clean the mating surfaces, install a new rubber O-ring around the thermostat, and check and replace hoses and clamps as necessary. Installation is the reverse of the removal. After installation, refill the cooling system, run the engine, and check carefully for leaks.

Genuine Chevrolet Suburban Thermostat

Engine Coolant Thermostat

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22 Thermostats found

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Chevrolet Suburban Outlet Assembly, Water Pump (W/Thermostat)
Part Number: 12674639
$55.93 MSRP: $117.50
You Save: $61.57 (53%)

Out of Stock
Product Specifications
- Other Name: Outlet Assembly, W/Pmp (W/Therm); Thermostat, Thermostat Housing, Water Outlet
- Replaces: 12666569, 12671393, 12657137
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Chevrolet Suburban | 1500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Suburban Thermostat Kit,Engine Coolant
Part Number: 89018168
$37.24 MSRP: $75.53
You Save: $38.29 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: THERMOSTAT KIT, Engine Coolant Temperature; Thermostat
- Replaces: 89017851
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 Chevrolet Suburban | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 97241129
$33.71 MSRP: $68.40
You Save: $34.69 (51%)
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 Chevrolet Suburban | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 3/4 TON, XL 3/4 TON
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 97241130
$31.68 MSRP: $59.78
You Save: $28.10 (48%)
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 Chevrolet Suburban | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 3/4 TON, XL 3/4 TON
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 12600171
$21.44 MSRP: $40.48
You Save: $19.04 (48%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat, Thermostat Unit
- Replaces: 12581595
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 Chevrolet Suburban | 1/2 TON, 1500 CREW CAB, 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, 4 DOOR 1/2 TON, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 1/2 TON, EXT 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 12632948
$27.93 MSRP: $52.70
You Save: $24.77 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12257859, 12563335, 12557859, 12597583, 12551472
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2004 Chevrolet Suburban | 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX
- 1996-1999 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.7L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 10190925
$13.67 MSRP: $25.80
You Save: $12.13 (48%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 10147886, 10190927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.7L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 12559575
$17.90 MSRP: $33.78
You Save: $15.88 (48%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12559269, 12559573, 10210450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 Chevrolet Suburban | 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 3/4 TON, XL 3/4 TON | 8 Cyl 8.1L
- 1996-1999 Chevrolet Suburban | 3/4 TON | 8 Cyl 7.4L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 24577299
$16.68 MSRP: $29.91
You Save: $13.23 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Intake Manifold, Thermostat, Thermostat Unit
- Replaces: 24576634, 10182377, 24577130
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 7.4L
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 12514334
$12.91 MSRP: $23.16
You Save: $10.25 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 7.4L
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Chevrolet Suburban THERMOSTAT KIT,ENG COOL
Part Number: 19420815
$37.08 MSRP: $75.24
You Save: $38.16 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 Chevrolet Suburban | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
- 2016-2019 Chevrolet Suburban | 3500 4 DOOR UTILITY | 8 Cyl 6.0L Flex
- 2007-2014 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Suburban Thermostat Assembly, Engine Coolant
Part Number: 14077122
$10.55 MSRP: $21.42
You Save: $10.87 (51%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.2L Diesel
View related parts
Chevrolet Suburban Thermostat Assembly, Engine Coolant
Part Number: 12661950
$35.87 MSRP: $64.35
You Save: $28.48 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT KIT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Suburban | 1/2 TON | 8 Cyl 6.2L
View related parts
Chevrolet Suburban Thermostat Assembly, Engine Coolant
Part Number: 12680456
$20.86 MSRP: $39.36
You Save: $18.50 (47%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly, Eng Cool; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Chevrolet Suburban | 3/4 TON
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Chevrolet Suburban Thermostat,Engine Coolant(W/Gasket)
Part Number: 12559336
$35.10 MSRP: $66.22
You Save: $31.12 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12554977
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 10207373
$10.85 MSRP: $19.72
You Save: $8.87 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1992 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.7L
View related parts
Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 12559338
$39.15 MSRP: $70.21
You Save: $31.06 (45%)
Product Specifications
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 10154622, 12551496
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Suburban Housing, Engine Coolant Thermostat
Part Number: 23502517
Product Specifications
- Other Name: Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.2L Diesel
View related parts
Chevrolet Suburban Housing, Engine Coolant Thermostat
Part Number: 12551519
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Suburban Housing,Engine Coolant Thermostat
Part Number: 23500374
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel

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1-20 of 22 Results

Chevrolet Suburban Thermostat

The Thermostat in car models Chevrolet Suburban is very important in controlling the temperature of the engine. It works on the principle of opening and closing a valve in trickle fashion to let some coolants through the radiator provided the engine and the cooling system reach some optimal temperature to prevent overheating. This mechanism needed a wax pellet that alters its state with temperature therefore the engine will run with in the manufacturer set temperature. Various brands and types of thermostats have been used in the course of their production, especially the mechanical types including the wax pellet thermostats. There might be differences for climate purposes; for example a 'hot' thermostat would have the lower limit, a 'cold' thermostat would mean longer engine warm-up in cold climate. The thermostat must therefore be highly resistant because it is affected by chemically aggressive fluids and changes in temperature that can cause wear and, therefore, the need to replace it.

Each OEM Chevrolet Suburban Thermostat we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Suburban Thermostat Parts Questions & Experts Answers

Thermostat Kit,Engine Coolant
89018168
Q: How to check and replace a thermostat in a cooling system on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: Before assuming the thermostat is to blame for a cooling system problem, it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. To remove and install the thermostat, follow the steps for either the V6 or V8 model. Also, clean the mating surfaces, install a new rubber O-ring around the thermostat, and check and replace hoses and clamps as necessary. Installation is the reverse of the removal. After installation, refill the cooling system, run the engine, and check carefully for leaks.