Beck Arnley 143-0412 Engine Coolant Thermostat

Engine Coolant Thermostat for Mercedes-Benz and More

Beck Arnley 143-0412 is an engine coolant thermostat built to match foreign nameplate OE specifications for form, fit, and function. It is a 167 degree thermostat with housing not included, making it a direct replacement choice for select Mercedes-Benz, Jaguar, Volvo, Dodge, and BMW applications.

Key Features

• 167 degree Fahrenheit operating temperature
• Housing not included
• OE-style fit and function for foreign nameplate applications
• Beck Arnley part number 143-0412
• Fits select Mercedes-Benz 300E, 300SE, 300SEL, 300SL, 300TE, 260E, 190E, C280, E320, S320, SL320, Jaguar XJ6, Volvo 760, Volvo 780, Dodge Monaco, and BMW 524td applications

Detailed Description

Beck Arnley 143-0412 is engineered for drivers servicing cooling systems on select Mercedes-Benz, Jaguar, Volvo, Dodge, and BMW vehicles. The 167 degree thermostat helps regulate coolant flow at the specified operating temperature, supporting stable engine temperature control in applications such as Mercedes-Benz 300E, 300SE, 190E, C280, E320, and S320. Beck Arnley sources parts to OE specifications so the replacement matches the original form, fit, and function expected for the application.

This part number, 143-0412, is listed for a wide range of import vehicles and is a practical choice when replacing a thermostat during cooling system maintenance. It is also referenced for Mercedes-Benz 300SEL applications across multiple model years, including 1965-1969 and 1970-1973, as well as later 1988-1991 vehicles.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant flow regulation after warm-up
• Temperature fluctuation in the cooling system
• Replacement needs during radiator or water pump service
• Cooling system maintenance on Mercedes-Benz, Jaguar, Volvo, Dodge, and BMW models

Installation Notes and Tips

Verify the thermostat housing style before ordering, since housing is not included. Confirm the 167 degree temperature specification and match the vehicle application to the exact year and model listed for Beck Arnley 143-0412. Replace the gasket or seal as required by the vehicle service procedure and inspect the cooling system for contamination, leaks, or restricted flow before installation.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. That approach supports confident installation on the listed applications, including Mercedes-Benz 300E, 300SE, and related models. Part number 143-0412 is built for the specified cooling system application and temperature rating.