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Gates CO34968 Engine Coolant Water Outlet - Upper
Gates Coolant Outlet for Toyota Upper Cooling Repair
The Gates Coolant Outlet CO34968 is an engine coolant water outlet built for upper cooling system service on select Toyota trucks and SUVs. It is designed to match original fit and function while addressing common aftermarket material and design concerns with a cast aluminum construction.
Compatible with Toyota Tacoma, Tundra, 4Runner, and T100 applications, this coolant outlet supports a direct replacement for the upper engine coolant hose flange on the listed vehicles. The Gates Coolant Outlet line focuses on practical OE-style coverage for cooling system repairs, and CO34968 follows that approach with a housing that is built for long service life.
Key Features
- Cast aluminum coolant outlet for cooling system repair
- Upper engine coolant water outlet design
- Outlet inside diameter: 1.22 in.
- Outlet outside diameter: 1.37 in.
- Three bolt holes for OE-style mounting
- Includes coolant outlet and gasket
- Gates Coolant Outlet line coverage for select Toyota applications
- Part number: CO34968
Detailed Description
Gates CO34968 is an engine coolant water outlet intended for upper hose connection service on select Toyota models. It is made from cast aluminum and built to fit and perform like the original component, helping restore proper coolant routing at the thermostat housing area. This part number, CO34968, is listed for 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100 upper applications.
The Gates Coolant Outlet product line is aimed at replacing common aftermarket weaknesses with a more durable, OE-style solution. For buyers searching for a Toyota Tacoma coolant outlet, Toyota Tundra upper coolant hose flange, or Toyota 4Runner engine coolant water outlet, CO34968 provides a direct-fit repair option for the listed vehicles.
What It Helps Repair
- Coolant leaks at the upper engine coolant outlet
- Cracked or corroded coolant hose flange surfaces
- Improper sealing at the thermostat housing connection
- Cooling system service issues on Toyota Tacoma, Tundra, 4Runner, and T100
- Replacement of a worn coolant outlet on the upper hose path
Installation Notes and Tips
Verify the vehicle year, model, and upper position before ordering. This part is listed for 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100. Confirm hose diameter and bolt-hole layout against the original component, and inspect the mating surface for corrosion or residue before installation.
This part cross-references 1633162040 for the same application.
Quality Assurance
Gates designs its coolant outlet program to address common design, manufacturing, and material issues found in other aftermarket options. CO34968 is built as an OE-style replacement with cast aluminum construction and application-specific fitment for the listed Toyota cooling system repairs.
| Brand | Gates |
|---|---|
| Part Number | CO34968 |
| Position | Coolant Outlet, Upper |
| Material | Cast aluminum |
| Outlet Outside Diameter | 1.37 |
| Bolt Hole Quantity | 3 |
| Type | Coolant outlet |
| Gasket Quantity | 1 |
| Outlet Inside Diameter | 1.22 |
| 9841 | 0 |
| 9848 | No |
| By-Pass Holes | No |
| Contents | Coolant outlet, gasket |
| Number of Bolt Holes | 3 |
| Number of Gaskets | 1 |
| Number of Seals | 0 |
| OE Exact | No |
| Outlet Inside Diameter 1 (in) | 1.22 |
| Outlet Outside Diameter 1 (in) | 1.37 |
| Type | Coolant outlet |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2004 | Toyota | Tundra | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2003 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2003 | Toyota | Tundra | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2002 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2002 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2002 | Toyota | Tundra | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2001 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2001 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2001 | Toyota | Tundra | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2000 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2000 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 2000 | Toyota | Tundra | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1999 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1999 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1998 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1998 | Toyota | T100 | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1998 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1997 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1997 | Toyota | T100 | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1997 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1996 | Toyota | 4Runner | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1996 | Toyota | T100 | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1996 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1995 | Toyota | T100 | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; Coolant Outlet |
| 1995 | Toyota | Tacoma | 3.4L | V6 | GAS | Upper | Engine Coolant Hose Flange comes with seal included; 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.