OE Quality
60-Day Returns

Four Seasons 86173 Engine Coolant Water Outlet
Overview of Four Seasons Water Outlet 86173
The Four Seasons Water Outlet 86173 is engineered for reliable engine coolant management in select Buick, Chevrolet, and GMC vehicles. Designed without a thermostat, this aluminum engine coolant water outlet ensures efficient coolant flow and durability for models like the Chevrolet Equinox and GMC Terrain.
- Constructed from durable aluminum material
- Includes gasket or seal for secure installation
- Features two mounting holes with 1.85-inch bolt hole center spacing
- Inlet diameter measures 1.551 inches for precise fit
- Meets or exceeds OEM specifications
- Compatible with Buick Captiva Sport, Chevrolet Traverse, and GMC Enclave among others
Product Line Details: Four Seasons Water Outlet
The Four Seasons Water Outlet product line focuses on engine coolant components designed to maintain optimal engine temperature and prevent overheating. This line includes water outlets that are engineered to meet or exceed original equipment manufacturer standards, providing a reliable replacement option for vehicles requiring precise coolant flow management. The 86173 model is part of this line, offering a robust aluminum construction and essential sealing components to ensure a proper fit and function.
Detailed Product Description
This engine coolant water outlet is crafted from aluminum, providing corrosion resistance and long-lasting performance. It features two mounting holes spaced 1.85 inches apart center to center, ensuring compatibility with the specified vehicle models. The outlet has an inlet diameter of 1.551 inches and a mounting flange width of 1.202 inches, designed to fit seamlessly without the thermostat included. The gasket or seal included with the part helps prevent leaks and maintains system integrity. This water outlet is suitable for use in Buick Captiva Sport, Chevrolet Equinox, GMC Terrain, and other compatible models, making it a precise replacement part for maintaining your vehicle's cooling system.
Common Applications and Issues Addressed
- Replacement of worn or corroded engine coolant water outlets
- Resolving coolant leaks around the outlet flange
- Preventing engine overheating due to coolant flow restrictions
- Maintaining proper coolant circulation in Buick, Chevrolet, and GMC vehicles
- Addressing fitment issues with OEM water outlet components
Installation Notes and Tips
Ensure the engine is cool before beginning installation. Remove the old water outlet carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before installing the new Four Seasons Water Outlet 86173. Use the included gasket or seal to prevent leaks and torque mounting bolts to manufacturer specifications. This part does not include a thermostat, so verify your vehicle’s cooling system requirements before installation.
Quality Assurance and Warranty
The Four Seasons Water Outlet 86173 meets or exceeds OEM standards, ensuring reliable performance and fitment. Manufactured with high-quality aluminum and supplied with a gasket or seal, this part is designed for durability and leak prevention. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for engine coolant components.
| Brand | Four Seasons |
| Part Number | 86173 |
| Position | Water Outlet |
| Bolt Hole Center To Bolt Hole Center | 1.85 |
| Description | Engine Coolant Components |
| Gasket Or Seal Included | Included |
| Inlet Dia. IN | 1.551 |
| Material | Aluminum |
| Maximum Height | 10.000 |
| Meets / Exceeds OEM? | Yes |
| Mnt Flange Width IN | 1.202 |
| Mounting Hole Quantity | 2 |
| Style | w/o Thermostat |
| Thermostat Included? | Not Included |
| Type | Outlet |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Buick | Enclave | N/A | Outlet; Water Outlet | ||
| 2024 | Chevrolet | Traverse Limited | N/A | Outlet; Water Outlet | ||
| 2023 | Buick | Enclave | N/A | Outlet; Water Outlet | ||
| 2023 | Chevrolet | Traverse | N/A | Outlet; Water Outlet | ||
| 2022 | Buick | Enclave | N/A | Outlet; Water Outlet | ||
| 2022 | Chevrolet | Traverse | N/A | Outlet; Water Outlet | ||
| 2017 | Chevrolet | Equinox | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2017 | GMC | Terrain | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2016 | Chevrolet | Equinox | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2016 | GMC | Terrain | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2015 | Chevrolet | Equinox | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2015 | GMC | Terrain | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2014 | Chevrolet | Equinox | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2014 | GMC | Terrain | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2013 | Chevrolet | Equinox | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2013 | GMC | Terrain | 3.6L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2012 | Chevrolet | Captiva Sport | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2012 | Chevrolet | Equinox | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2012 | GMC | Terrain | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2011 | Chevrolet | Equinox | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2011 | GMC | Terrain | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2010 | Chevrolet | Equinox | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
| 2010 | GMC | Terrain | 3.0L | V6 | N/A | Compatible with various car and truck makes/models.; Water Outlet |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.