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Gates CO35041 Engine Coolant Thermostat Housing Cover
Overview of Gates Coolant Outlet Thermostat Housing Cover
The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover (Part Number CO35041) is designed for reliable cooling system performance in heavy-duty Chevrolet and GMC trucks. This thermostat cover is engineered to meet the demands of Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models.
- Constructed from durable aluminum for corrosion resistance and heat dissipation
- Outlet outside diameter of 2 inches and inside diameter of 1.65 inches for precise coolant flow
- Features 3 bolt holes for secure mounting
- Thermostat cover type designed to protect and house the engine thermostat
- Compatible with Chevrolet and GMC heavy-duty truck models
Product Line: Gates Coolant Outlet
The Gates Coolant Outlet product line focuses on components that manage engine coolant flow and temperature regulation. This line includes thermostat covers engineered to provide a reliable seal and maintain optimal engine temperature. The CO35041 thermostat housing cover is part of this line, offering a robust aluminum construction tailored for heavy-duty truck applications.
Detailed Product Description
This engine coolant thermostat housing cover is made from aluminum, providing strength and resistance to corrosion under high-temperature conditions. The outlet dimensions—2 inches outside diameter and 1.65 inches inside diameter—ensure proper coolant circulation through the cooling system. With three bolt holes, the cover mounts securely to the engine, maintaining a tight seal without the need for additional gaskets. Although this part is not an exact OE replacement, it is designed to meet the functional requirements of the specified Chevrolet and GMC truck models.
Compatible Vehicles and Common Applications
- Chevrolet Sierra 2500 HD and 3500 HD
- GMC Sierra 2500 HD and 3500 HD
- Chevrolet Silverado 2500 HD and 3500 HD
- Replacement for worn or damaged thermostat housing covers
- Helps prevent coolant leaks and overheating issues
Installation Notes and Tips
When installing the Gates CO35041 thermostat housing cover, ensure the mating surfaces are clean and free of old gasket material or debris. Although this part does not include a gasket, verify if a new gasket is required for your specific vehicle application. Tighten the three mounting bolts evenly to the manufacturer's torque specifications to avoid warping or leaks.
Quality Assurance and Warranty
Gates manufactures this thermostat housing cover with quality materials and precise engineering to support reliable engine cooling system operation. While this part is not an exact OE replacement, it is built to meet or exceed industry standards for durability and fitment. Warranty details should be confirmed with the distributor or manufacturer.
| Brand | Gates |
| Part Number | CO35041 |
| Position | Coolant Outlet |
| Material | Aluminum |
| Outlet Outside Diameter | 2 |
| Bolt Hole Quantity | 3 |
| Type | Thermostat cover |
| Gasket Quantity | 0 |
| Outlet Inside Diameter | 1.65 |
| 9841 | 0 |
| 9848 | No |
| Contents | Thermostat cover |
| OE Exact | No |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | Coolant Outlet |
| 2019 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | Coolant Outlet |
| 2018 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant 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.