Gates EHV140 heater control valve for the 2007-2012 Mercedes-Benz S550 and other vehicles adjusts coolant flow through the heater core to set the cabin temperature. Electric coolant valves like this one regulate that flow in both electrified and combustion-engine vehicles.
- ThermalPro line electric heater control valve
- Plastic outlets made of 100 percent virgin resins
- 3D model imaging used in the design phase
- Rigorous 100% performance testing
Quick facts
- Part: Gates EHV140 heater control valve
- Also called: HVAC heater control valve
- Fits: 2007-2012 Mercedes-Benz S550 and other vehicles
- Material: Plastic
- Condition: New
If the cabin temperature stops following the setting, or you see coolant residue around the valve, the valve can be involved. Low coolant or other parts can cause heater problems too, so with the engine off and cool, look over the valve and its hoses for cracks or residue and check the coolant level first. This listing is one valve; the 2007-2012 Mercedes-Benz S550 takes one.
Fits
Fitment includes the 2007-2012 Mercedes-Benz S550, the 2017 Mercedes-Benz Maybach S550 and the 2014-2017 Mercedes-Benz S63 AMG. It has an OE-exact, application-specific design, fit and function. If your Mercedes-Benz is not named here, search your year and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Ports: 2
- Inlet port outside diameter: 18 mm (0.71 in) and 20 mm (0.78 in)
- Outlet port outside diameter: 18 mm (0.7 in)
- Connector gender: male
Build and materials
- Type: electric coolant valve
- Material: plastic
- Grade type: OE Performance
- Condition: new
- Country of origin: China
In the box
One heater control valve. Mounting brackets and hardware are included as required.
Interchange: 74941 · 2308300084
This part cross-references / interchanges with the following part numbers:
74941, 2308300084, EHV140
Frequently Asked Questions
Does the Gates EHV140 work as a Mercedes-Benz S550 heater control valve for 2007-2012 cars?
Yes. The Gates EHV140 is listed for the 2007-2012 Mercedes-Benz S550, and each car takes one. For another Mercedes-Benz, look up your year and model in the "Vehicles it fits" section.
What comes with the Gates EHV140 heater control valve?
The Gates EHV140 comes as one heater control valve, with mounting brackets and hardware included as required.
How big are the ports on this HVAC heater control valve?
It has two ports. The inlet outside diameters are 18 mm (0.71 in) and 20 mm (0.78 in), and the outlet is 18 mm (0.7 in).
Could a cabin that ignores the temperature setting mean the heater control valve is failing?
It can. Cabin temperature that does not follow the setting, or coolant residue at the valve, can be signs of a failing valve. A shop can test its operation.
Does the Gates EHV140 replace number 2308300084?
Yes. 2308300084 is one of the numbers the Gates EHV140 replaces.
