Beck Arnley 143-0835 Engine Coolant Thermostat

OE-Style Thermostat for Mazda Cooling Systems

The Beck Arnley 143-0835 engine coolant thermostat is built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit cooling system service part for select Mazda applications, including Mazda Miata and Mazda Protege models with a 180-degree original equipment temperature rating.

• Engine coolant thermostat for select Mazda vehicles
• 180-degree temperature rating to match original equipment specification
• Housing not included
• Includes gasket/seal for installation
• Beck Arnley part number 143-0835

Fitment and Application Details

Compatible with 2001-2005 Mazda Miata and 2000-2003 Mazda Protege, plus 1998 Mazda Protege. This thermostat is specified for applications that use a 180-degree OE temperature setting, making it a direct replacement choice for Mazda cooling system maintenance. The Beck Arnley 143-0835 is also a practical match when replacing a worn thermostat during routine service on Mazda Miata and Mazda Protege models.

What This Part Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant flow control during warm-up
• Temperature fluctuation from a sticking thermostat
• Cooling system service on Mazda Miata and Mazda Protege models
• Replacement of a thermostat that no longer matches the 180-degree OE spec

Installation Notes and Tips

Verify the original equipment temperature rating before installation. Housing is not included, so inspect the thermostat housing and sealing surfaces for wear, corrosion, or damage before reassembly. Use the included gasket/seal and follow the vehicle service procedure for coolant refill and air bleeding after installation. Confirm fitment by year, make, and model before ordering the Beck Arnley 143-0835.

Quality Assurance

Beck Arnley sources parts to meet foreign nameplate OE specifications for form, fit, and function. Their global sourcing network supports accurate application matching for import vehicle service, including this thermostat for Mazda cooling system repair.