Motorad 459-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for BMW and Porsche Vehicles

The Motorad Standard 459-180 engine coolant thermostat is designed to maintain optimal engine temperature for select BMW and Porsche models. Engineered with precision, this thermostat ensures efficient coolant flow and temperature regulation to support engine performance and longevity.

• Sealing flange outside diameter: 2.87 inches
• Height between flanges: 2.15 inches
• Overall height: 3.07 inches
• Standard type thermostat with a start to open temperature of 178°F
• Includes a rubber O-ring seal for reliable sealing
• Bypass diameter: 2.87 inches
• Flange thickness: 0.27 inches
• One rubber gasket/seal included
• No jiggle pin weep hole

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet OEM specifications. This line focuses on providing quality components that deliver consistent performance and durability. The 459-180 thermostat is part of this line, ensuring compatibility and reliable operation for your BMW or Porsche cooling system.

Detailed Product Description

This engine coolant thermostat features a 178°F opening temperature, which helps regulate coolant flow to maintain the engine within its optimal operating temperature range. The thermostat’s sealing flange outside diameter of 2.87 inches and flange thickness of 0.27 inches provide a secure fit within the cooling system housing. The included rubber O-ring seal and gasket ensure a tight seal to prevent leaks. The thermostat’s height between flanges is 2.15 inches, with an overall height of 3.07 inches, designed to fit precisely in the cooling system assembly. The bypass diameter of 2.87 inches allows for proper coolant circulation when the thermostat is closed.

Compatible Vehicles and Common Applications

• Compatible with BMW M3, M5, M6, and Z8 models
• Compatible with Porsche Cayenne models
• Helps resolve engine overheating issues
• Prevents coolant leaks due to worn or damaged seals
• Restores proper engine temperature regulation
• Addresses poor heater performance caused by thermostat failure

Installation Notes and Tips

Ensure the engine is cool before removing the old thermostat to avoid injury. Clean the thermostat housing surface thoroughly before installation to ensure a proper seal. Replace the gasket and O-ring seal included with the Motorad 459-180 thermostat to prevent leaks. Verify the thermostat orientation matches OEM specifications during installation. No special installation tools are included with this part.

Quality Assurance and Warranty

The Motorad Standard 459-180 thermostat is manufactured to meet industry standards for durability and performance. It includes a rubber gasket and O-ring seal to ensure a secure fit and leak-free operation. While specific warranty details are not provided, Motorad products typically adhere to quality control processes to support reliable service life in BMW and Porsche vehicles.