Help your engine hold its intended operating temperature with the Gates Engine Coolant Thermostat 34704, an integrated-housing unit that arrives as a single bolt-on assembly. It installs as a direct-fit replacement for many vehicles, among them the 2006-2011 Mercedes-Benz E350 and 2010-2013 Mercedes-Benz S400. See the Buyer's Guide tab for the full list of vehicles and engines.
A thermostat controls when coolant flows from the engine to the radiator. Many newer vehicles build the thermostat into its own housing. Gates designs its integrated thermostat housings for accurate temperature regulation and control, to help the engine operate more efficiently.
- All-in-one assembly: includes the thermostat, insert, seal and housing, so all four are replaced together as one bolt-on part.
- Built to OE standards: meets or exceeds OE standards for fit, form and performance.
- Precise control: provides precision temperature regulation and control, including application-specific adaptive MAP-control.
- Gates engineering: developed by Gates research and development as an aftermarket alternative to dealership integrated thermostat housings.
Signs this part may need replacing: engine overheating, an engine that is slow to warm up or runs cool, weak cabin heat, an erratic temperature gauge, or coolant seeping from the thermostat housing. Diagnose the cooling system before replacing parts, because other components can cause these symptoms.
Interchange: 902-5912 · 668-212 · HT212-866
49382 · 66812 · 85999 · 2722000415 · 56682 · 9025912 · 668212 · HT212866
This part cross-references / interchanges with the following part numbers:
49382, 66812, 902-5912, 85999, 2722000415, 668-212, HT212-866, 34704, 56682
