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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20 Thermostats found

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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 97241129
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$33.71 MSRP: $68.40
You Save: $34.69 (51%)

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More Info
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: 12559338
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12551496, 10154622
$36.22 MSRP: $70.21
You Save: $33.99 (49%)

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Fits the following Vehicles:
1992-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
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Chevrolet Suburban Thermostat Kit,Engine Coolant
Part Number: 89018168
- Other Name: THERMOSTAT KIT, Engine Coolant Temperature; Thermostat
- Replaces: 89017851
$36.27 MSRP: $73.55
You Save: $37.28 (51%)

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Fits the following Vehicles:
2021 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,Engine Coolant
Part Number: 12600171
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat, Thermostat Unit
- Replaces: 12581595
$20.88 MSRP: $39.42
You Save: $18.54 (48%)

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More Info
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
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12551472, 12257859, 12563335, 12597583, 12557859
$27.20 MSRP: $51.32
You Save: $24.12 (47%)

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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: 12559575
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12559573, 10210450, 12559269
$17.44 MSRP: $32.90
You Save: $15.46 (47%)

Add to Cart
More Info
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: 10190925
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 10190927, 10147886
$13.31 MSRP: $25.12
You Save: $11.81 (48%)

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More Info
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: 24577299
- Other Name: THERMOSTAT, Engine Coolant Temperature; Intake Manifold, Thermostat, Thermostat Unit
- Replaces: 24576634, 10182377, 24577130
$16.25 MSRP: $29.13
You Save: $12.88 (45%)

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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
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$12.58 MSRP: $22.56
You Save: $9.98 (45%)

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More Info
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 Assembly, Engine Coolant
Part Number: 14077122
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$10.28 MSRP: $20.86
You Save: $10.58 (51%)

Add to Cart
More Info
Fits the following Vehicles:
1985-1991 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.2L Diesel
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Chevrolet Suburban Thermostat Assembly, Engine Coolant
Part Number: 12680456
- Other Name: Thermostat Assembly, Eng Cool; Thermostat
$20.31 MSRP: $38.32
You Save: $18.01 (47%)

Add to Cart
More Info
Fits the following Vehicles:
2005 Chevrolet Suburban | 3/4 TON
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Chevrolet Suburban Thermostat,Engine Coolant(W/Gasket)
Part Number: 12559336
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
- Replaces: 12554977
$34.17 MSRP: $64.48
You Save: $30.31 (48%)

Add to Cart
More Info
Fits the following Vehicles:
1996-1999 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
Less Info
View related parts
Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 10207373
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$10.70 MSRP: $19.20
You Save: $8.50 (45%)

Add to Cart
More Info
Fits the following Vehicles:
1987-1992 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 5.7L
Less Info
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Chevrolet Suburban Thermostat,Engine Coolant
Part Number: 97241130
- Other Name: THERMOSTAT, Engine Coolant Temperature; Thermostat
$33.33 MSRP: $59.78
You Save: $26.45 (45%)
More Info
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
Less Info
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Chevrolet Suburban Outlet Assembly, Water Pump (W/Thermostat)
Part Number: 12674639
- Other Name: Outlet Assembly, W/Pmp (W/Therm); Thermostat, Thermostat Housing, Water Outlet
- Replaces: 12666569, 12671393, 12657137
$59.55 MSRP: $106.83
You Save: $47.28 (45%)
More Info
Fits the following Vehicles:
2015-2020 Chevrolet Suburban | 1500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 6.2L
Less Info
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Chevrolet Suburban Housing,Engine Coolant Thermostat
Part Number: 12553405
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
More Info
Fits the following Vehicles:
1996-1999 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
Less Info
View related parts
Chevrolet Suburban Housing, Engine Coolant Thermostat
Part Number: 97383583
- Other Name: Thermostat Housing
- Replaces: 97222428
More Info
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
Less Info
View related parts
Chevrolet Suburban Housing, Engine Coolant Thermostat
Part Number: 23502517
- Other Name: Thermostat Housing
More Info
Fits the following Vehicles:
1985-1991 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.2L Diesel
Less Info
View related parts
Chevrolet Suburban Housing, Engine Coolant Thermostat
Part Number: 12551519
More Info
Fits the following Vehicles:
1996 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
Less Info
View related parts
Chevrolet Suburban Housing,Engine Coolant Thermostat
Part Number: 23500374
- Other Name: HOUSING, Engine Coolant Thermostat
More Info
Fits the following Vehicles:
1992-1995 Chevrolet Suburban | 1/2 TON, 3/4 TON | 8 Cyl 6.5L Diesel
Less Info

Chevrolet Suburban Thermostat Parts Questions & 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.