Four Seasons 86204 engine coolant thermostat housing for the 2016-2022 Chevrolet Colorado 4-cylinder 2.8L and other vehicles holds the thermostat and carries engine coolant. The thermostat inside it opens and closes to regulate engine temperature.
- Integrated housing with the thermostat included
- Plastic housing body
- 100% leak tested
- Gasket or seal included for a proper seal
Quick facts
- Part: Four Seasons 86204 engine coolant thermostat housing
- Fits: 2016-2022 Chevrolet Colorado 4-cylinder 2.8L and other vehicles
- Material: Plastic
- Condition: New
Coolant seepage around the housing, cracks in the plastic or temperature readings that swing can point to a failing housing. Before you replace it, rule out a loose hose, a worn clamp or a low coolant level, checking the level only with the engine cool. Each engine has one thermostat housing, so one is all it takes.
Fits
The 2016-2022 Chevrolet Colorado 4-cylinder 2.8L, the 2016-2022 GMC Canyon 4-cylinder 2.8L and the 2017-2022 Chevrolet Express 2500 4-cylinder 2.8L take this direct-fit thermostat housing, and so do other vehicles. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Mount holes: 2
- Inlet diameter: 1.500 in
- Discharge end: 0.987 in
- Length: 6.480 in
Build and materials
- Type: integrated thermostat housing
- Material: Plastic
- Thermostat: included
- Gasket or seal: included
- Condition: New
- Country of origin: China
In the box
One engine coolant thermostat housing with a thermostat and a gasket or seal.
Installation notes
- Direct-fit replacement made for ease of installation.
Interchange: 817034 · 12642691 · 24588515 · 784176 · W98734
This part cross-references / interchanges with the following part numbers:
86204, 817034, 12642691, 24588515, 784176, W98734
Frequently Asked Questions
Does the Four Seasons 86204 thermostat housing fit the 2017-2022 Chevrolet Express 2500 4-cylinder 2.8L?
Yes, the 86204 fits the 2017-2022 Chevrolet Express 2500 4-cylinder 2.8L. For any other model or engine, open the "Vehicles it fits" section on this page.
Does this thermostat housing come with a thermostat?
Yes. Four Seasons 86204 is an integrated housing that includes the thermostat, along with a gasket or seal.
What is the inlet diameter on this thermostat housing?
The inlet measures 1.500 in and the discharge end measures 0.987 in. The housing is 6.480 in long and has two mount holes.
How can I tell if a plastic thermostat housing is cracked or leaking?
With the engine cool, look for cracks in the plastic, or coolant residue and wet spots around the housing and its seal. Coolant loss or temperature swings can have other sources, so a shop can test the cooling system.
Is the Four Seasons 86204 thermostat housing leak tested?
Yes. Every Four Seasons 86204 engine coolant thermostat housing is 100% leak tested, and its body is plastic.
