Beck Arnley 143-0823 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Mercedes-Benz Models

The Beck Arnley 143-0823 engine coolant thermostat is designed to maintain optimal engine temperature for select Mercedes-Benz vehicles. Engineered to open at 176°F, this thermostat helps regulate coolant flow, ensuring efficient engine performance and preventing overheating.

• Engine coolant thermostat with a 176°F opening temperature
• Compatible with Mercedes-Benz 300D, 300SD, 300SDL, 300TD, 350SD, 350SDL, E300, and S350 models
• Part number 143-0823 for precise identification
• Thermostat only; housing not included
• Manufactured by Beck Arnley, a trusted name in automotive replacement parts

Product Details and Specifications

This Beck Arnley engine coolant thermostat (part number 143-0823) is calibrated to open at 176 degrees Fahrenheit, a temperature setting that ensures your Mercedes-Benz engine reaches and maintains the correct operating temperature. Proper thermostat function is critical for engine efficiency, fuel economy, and emission control. Note that this product includes the thermostat only; the housing is not included and must be sourced separately if needed.

Compatible Mercedes-Benz Models

This thermostat is compatible with a range of Mercedes-Benz vehicles, including the 300D, 300SD, 300SDL, 300TD, 350SD, 350SDL, E300, and S350. When searching for a replacement thermostat for these models, referencing part number 143-0823 will help ensure you receive the correct component for your vehicle’s cooling system.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Erratic temperature gauge readings
• Reduced fuel efficiency caused by improper coolant flow
• Engine temperature fluctuations affecting emission control

Installation Notes and Tips

Installation of the Beck Arnley 143-0823 thermostat should be performed with care to avoid damage to the cooling system. Since the housing is not included, ensure the existing housing is in good condition or replace it separately. Always drain the coolant before removal and refill with the appropriate coolant after installation. Verify the thermostat is installed in the correct orientation to maintain proper coolant flow.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 143-0823 may vary, Beck Arnley typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.