How to Troubleshoot, Replace, and Maintain a Thermostat on Chevrolet Express?

When replacing the thermostat it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. The housing cover should be reattached and tightened to the proper torque specifications. The hose should be reattached and the hose clamp should be tightened securely. Finally, start the engine and allow it to reach a normal operating temperature to check for leaks.

Genuine Chevrolet Express Thermostat

Engine Coolant Thermostat

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14 Thermostats found

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Chevrolet Express Thermostat Kit,Engine Coolant
Part Number: 89018168
$36.25 MSRP: $72.25
You Save: $36.00 (50%)
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:
- 2018-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L, 8 Cyl 6.6L
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Chevrolet Express Engine Coolant Thermostat
Part Number: 97241129
$36.02 MSRP: $71.82
You Save: $35.80 (50%)
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:
- 2006-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express Engine Coolant Thermostat
Part Number: 97241130
$33.26 MSRP: $62.76
You Save: $29.50 (47%)
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:
- 2006-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express Engine Coolant Thermostat
Part Number: 12600171
$23.90 MSRP: $45.12
You Save: $21.22 (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 Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Express Engine Coolant Thermostat
Part Number: 12632948
$29.69 MSRP: $56.02
You Save: $26.33 (47%)
ADD TO CART
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:
- 1996-2014 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet Express Engine Coolant Thermostat
Part Number: 12559575
$14.32 MSRP: $27.02
You Save: $12.70 (47%)
Ships in 1-3 Business Days
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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:
- 1996-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 7.4L, 8 Cyl 8.1L
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Chevrolet Express THERMOSTAT KIT,ENG COOL
Part Number: 19420815
$37.10 MSRP: $73.96
You Save: $36.86 (50%)
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:
- 2007-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Express 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:
- 1996-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
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Chevrolet Express Thermostat Assembly, Eng Cool
Part Number: 24588515
$84.04 MSRP: $167.54
You Save: $83.50 (50%)
ADD TO CART
Product Specifications
- Other Name: Thermostat, Thermostat Housing, Thermostat Unit
- Replaces: 12642691
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
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Chevrolet Express Engine Coolant Thermostat Housing Assembly
Part Number: 97383685
$227.04 MSRP: $358.84
You Save: $131.80 (37%)
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.6L Diesel
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Chevrolet Express Engine Coolant Thermostat Housing
Part Number: 12553405
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
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Chevrolet Express Housing, Engine Coolant Thermostat
Part Number: 97383583
Product Specifications
- Other Name: Thermostat Housing
- Replaces: 97222428
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.6L Diesel
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Chevrolet Express Engine Coolant Thermostat Housing Assembly
Part Number: 12642719
$110.08 MSRP: $197.45
You Save: $87.37 (45%)
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Replaces: 12637657
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Engine Coolant Thermostat Housing Assembly
Part Number: 98082690
Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel

Chevrolet Express Thermostat

The Chevrolet Express Thermostat ensures that the van's engine is always at its optimum operating temperature to avoid overheating and slow warm-up on cold starts. Housed near the radiator, this small closed-loop control device senses heat in the coolant and, via an internal wax pellet that expands and contracts, opens or closes a valve to either allow coolant to circulate or hold it back. It is a simple motion that allows the engine to reach and maintain the sweet spot for power and fuel economy. Earlier generations in the Express line applied purely mechanical bimetallic or wax-based Thermostat units. Later versions across Chevrolet vans introduced digital dash readouts that still pair with the same wax-actuated Thermostat core but add easy-to-read temperature feedback for drivers. Beyond these, programmable or communicating cabin Thermostat controls are found in RV-oriented builds of the Express, allowing the occupants to set a preferred cabin interior climate that the HVAC system automatically maintains, memory intact after power loss. No matter which Chevrolet Thermostat variant is applied, the cooling or heating circuits are rapidly switched on or off, protecting the health of the engine and keeping passengers comfortable, ensuring that the stocky van lives up to its reputation for reliability.

Each OEM Chevrolet Express 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 Express Thermostat Parts Questions & Experts Answers

Engine Coolant Thermostat
12632948
Q: How to Troubleshoot, Replace, and Maintain a Thermostat on Chevrolet Express?
A:
When replacing the thermostat it is important to check the coolant level, drive belt tension, and temperature gauge (or light) operation. The housing cover should be reattached and tightened to the proper torque specifications. The hose should be reattached and the hose clamp should be tightened securely. Finally, start the engine and allow it to reach a normal operating temperature to check for leaks.