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Gates CO34979 Engine Coolant Thermostat Housing Cover
Overview of Gates Coolant Outlet Thermostat Housing Cover CO34979
The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover CO34979 is designed for reliable cooling system performance in select Ford, Lincoln, Mazda, and Mercury vehicles. This thermostat cover is engineered to maintain proper coolant flow and temperature regulation in your engine.
- Constructed from durable plastic material for corrosion resistance
- Features a 1.48 inch outlet outside diameter and 1.28 inch outlet inside diameter
- Includes 3 bolt holes for secure mounting
- Comes with one seal but no gaskets included
- Compatible with Ford Escape, Fusion, Mariner, Lincoln Milan, Mazda MPV, Mercury Tribute, and Zephyr models
Detailed Product Description and Attributes
The Gates CO34979 thermostat housing cover is a plastic component designed to replace the original thermostat cover in your vehicle's cooling system. It has an outlet outside diameter of 1.48 inches and an inside diameter of 1.28 inches, ensuring proper coolant flow through the outlet. The cover is secured with three bolt holes, providing a stable and leak-resistant fit. This part includes one seal to help maintain a tight connection but does not come with any gaskets. It does not feature by-pass holes and is not an exact OE replacement, but it meets the necessary specifications for the compatible vehicle models.
About the Gates Coolant Outlet Product Line
The Gates Coolant Outlet line focuses on components that manage coolant flow and temperature regulation within the engine cooling system. This product line includes thermostat covers and related parts designed to fit specific vehicle applications, ensuring compatibility and reliable performance. The CO34979 thermostat housing cover is part of this line, providing a precise fit and function for select Ford, Lincoln, Mazda, and Mercury vehicles.
Common Applications and Issues Addressed
- Replacement of cracked or damaged thermostat housing covers
- Resolving coolant leaks around the thermostat housing
- Maintaining proper coolant flow to prevent engine overheating
- Addressing coolant contamination due to housing failure
- Ensuring secure mounting with three-bolt design to prevent loosening
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns
- Clean the mounting surface thoroughly to remove old sealant or debris
- Use the included seal and verify proper placement to prevent leaks
- Tighten bolts evenly to the manufacturer’s torque specifications
- Inspect connected hoses for wear or damage during installation
Quality Assurance and Warranty
Gates manufactures the CO34979 thermostat housing cover to meet industry standards for durability and fitment. While this part is not an exact OE replacement, it is engineered to provide reliable service in compatible Ford, Lincoln, Mazda, and Mercury models. Warranty information should be confirmed with the parts distributor or manufacturer, as it may vary by region and application.
| Brand | Gates |
| Part Number | CO34979 |
| Position | Coolant Outlet |
| 1 | |
| No | |
| Bolt Hole Quantity | 3 |
| By-Pass Holes | No |
| Contents | Thermostat Cover, Seal |
| Gasket Quantity | 0 |
| Material | Plastic |
| Number of Bolt Holes | 3 |
| Number of Gaskets | 0 |
| Number of Seals | 1 |
| OE Exact | No |
| Outlet Inside Diameter | 1.28 |
| Outlet Inside Diameter 1 (in) | 1.28 |
| Outlet Outside Diameter | 1.48 |
| Outlet Outside Diameter 1 (in) | 1.48 |
| Type | Thermostat Cover |
| Type | Thermostat Cover |
This part fits 39 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Ford | Fusion | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2009 | Mercury | Milan | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Ford | Fusion | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Mercury | Mariner | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2008 | Mercury | Milan | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2007 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2007 | Ford | Fusion | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2007 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2007 | Mercury | Mariner | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2007 | Mercury | Milan | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Ford | Fusion | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Lincoln | Zephyr | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Mazda | MPV | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Mercury | Mariner | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2006 | Mercury | Milan | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2005 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2005 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2005 | Mazda | MPV | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2005 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2005 | Mercury | Mariner | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2004 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2004 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2004 | Mazda | MPV | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2004 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2003 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2003 | Mazda | 6 | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2003 | Mazda | MPV | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2003 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2002 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2002 | Mazda | MPV | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2002 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2001 | Ford | Escape | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; Coolant Outlet |
| 2001 | Mazda | Tribute | 3.0L | V6 | GAS | N/A | Thermostat housing cover with included seal.; 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.