Gates CO35041 engine coolant water outlet for the 2019-2021 Chevrolet Silverado 4500 HD V8 6.6L and other vehicles covers the thermostat and gives coolant its exit from the engine. It is designed to fit and perform like the original.
- Gates Coolant Outlets line, which also covers thermostat housings and assemblies
- Improved seal design for leak-free performance
- Advanced weld process for consistent construction
- Aluminum material that resists warping and corrosion
Quick facts
- Part: Gates CO35041 engine coolant water outlet
- Fits: 2019-2021 Chevrolet Silverado 4500 HD V8 6.6L and other vehicles
- Position: Thermostat cover
- Material: Aluminum
- Condition: New
Coolant seepage, crusty residue or a cracked cover at the outlet can mean it is failing. With the engine off and cool, look the outlet over for cracks, warping or coolant staining, because a leak there can also come from a hose or the thermostat, and the source should be found first.
Fits
The 2019-2021 Chevrolet Silverado 5500 HD V8 6.6L and the 2019-2021 Chevrolet Silverado 6500 HD V8 6.6L take this water outlet too, one each, along with other vehicles.
Specifications
Fit and size
- Position: thermostat cover
- Quantity per vehicle: 1
- Outlet inside diameter: 1.65 in
- Outlet outside diameter: 2 in
- Bolt holes: 3
Build and materials
- Type: thermostat cover
- Material: Aluminum
- Bypass holes: none
- Condition: New
- Country of origin: China
In the box
One engine coolant water outlet.
Interchange: 15-11124
12677163 · 12684591 · CH1080
This part cross-references / interchanges with the following part numbers:
15-11124, 12677163, 12684591, CH1080
Frequently Asked Questions
Does the Gates CO35041 water outlet fit the 2019-2021 Chevrolet Silverado 4500 HD V8 6.6L?
Yes. Gates CO35041 fits the 2019-2021 Chevrolet Silverado 4500 HD V8 6.6L and other vehicles too. Look up your own truck's year and engine in the "Vehicles it fits" section.
What size is the opening on the Gates CO35041 coolant outlet?
The Gates CO35041 has an outlet inside diameter of 1.65 in and an outside diameter of 2 in. It has 3 bolt holes.
Is this coolant water outlet made of aluminum?
Yes. This water outlet is aluminum, a material meant to resist warping and corrosion.
How can I spot a leaking coolant water outlet on my engine?
With the engine off and cool, look for wet or crusty coolant residue, corrosion or cracks around the water outlet. A shop can pressure-test the cooling system if the source is unclear.
Can Gates CO35041 stand in for number 12677163?
Yes. 12677163 is one of the numbers this Gates water outlet replaces, so CO35041 can be used where that number is called for.
