Beck Arnley 143-0964 Engine Coolant Thermostat Housing Assembly

OE Thermostat Housing for Mercedes-Benz

Beck Arnley 143-0964 is an engine coolant thermostat housing assembly built as a direct replacement for OE applications on select Mercedes-Benz vehicles. It is specified with a 97C/207F temperature activation point, making it a fitment-specific cooling system part for drivers replacing a worn or leaking housing on the Mercedes-Benz C300, E300, GLC300, SLK300, or SLC300.

Beck Arnley 143-0964 is sourced to match original equipment form, fit, and function for foreign nameplates, helping restore proper coolant routing and thermostat operation without guesswork.

• Engine coolant thermostat housing assembly for cooling system service
• Temperature activation point: 97C/207F
• OE-style direct replacement for select Mercedes-Benz applications
• Built to align with original fitment and function requirements
• Part number: 143-0964

Fitment Details

• Fits 2017-2020 Mercedes-Benz SLC300, temperature 97C/207F
• Fits 2017-2019 Mercedes-Benz E300, temperature 97C/207F
• Fits 2016-2019 Mercedes-Benz GLC300, temperature 97C/207F
• Fits 2015-2018 Mercedes-Benz C300, temperature 97C/207F
• Fits 2016 Mercedes-Benz SLK300, temperature 97C/207F

What This Part Helps Address

• Coolant leaks at the thermostat housing
• Improper thermostat opening temperature
• Engine temperature fluctuations
• Cooling system service on Mercedes-Benz C300, E300, GLC300, SLK300, and SLC300 models
• Replacement of a worn OE-style thermostat housing assembly

Installation Notes

Verify the 97C/207F temperature specification before installation. Inspect the mating surfaces, coolant passages, and related seals or hoses during service so the replacement housing seats correctly and the cooling system can be refilled and bled according to Mercedes-Benz procedures. Confirm the vehicle application by year, model, and cooling specification before ordering Beck Arnley 143-0964.

Quality Assurance

Beck Arnley parts are sourced through a global network with attention to OE-level fit and function for foreign vehicle applications. The brand’s product approach focuses on matching original specifications so the correct part can be installed with confidence. Part number 143-0964 is built around the stated Mercedes-Benz cooling-system application and temperature requirement.