Motorad 5474-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select GM Vehicles

The Motorad UltraStat 5474-180 engine coolant thermostat is designed to maintain optimal engine temperature for improved performance and efficiency. Engineered for compatibility with various Buick, Chevrolet, Oldsmobile, and Pontiac models, this thermostat ensures precise temperature regulation at 180 degrees Fahrenheit.

• Sealing flange outside diameter: 1.73 inches for secure fitment
• Flange thickness: 0.05 inches providing durability and proper sealing
• Temperature rating: 180°F for consistent engine temperature control
• No gasket or seal included, designed for use with existing or aftermarket seals
• Jiggle pin weep hole not included, suitable for specific cooling system designs
• Installation tool not included, compatible with standard automotive tools

About the Motorad UltraStat Product Line

The UltraStat line by Motorad focuses on precision-engineered thermostats that meet exacting OEM specifications. This product line emphasizes reliable temperature control and durability, making it suitable for a range of GM vehicles. The 5474-180 thermostat is part of this line, offering consistent performance for engine cooling systems in Buick Achieva, Chevrolet Cavalier, and Pontiac Grand Am models among others.

Detailed Product Description

The Motorad UltraStat 5474-180 thermostat is crafted to regulate engine coolant flow by opening at 180 degrees Fahrenheit, ensuring the engine reaches and maintains optimal operating temperature. The 1.73-inch sealing flange outside diameter and 0.05-inch flange thickness provide a secure and precise fit within the thermostat housing. This thermostat does not include a gasket or seal, allowing for flexibility in installation with existing components. The absence of a jiggle pin weep hole aligns with specific cooling system designs found in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor fuel economy caused by incorrect engine temperature
• Reduces engine wear due to improper temperature control
• Addresses inconsistent cabin heating issues related to thermostat failure
• Mitigates coolant leaks caused by damaged or worn thermostats

Installation Notes and Tips

Installation requires removal of the existing thermostat and careful cleaning of the housing surface to ensure proper sealing. Since this thermostat does not include a gasket or seal, use the appropriate gasket compatible with your vehicle’s cooling system. Standard automotive tools are sufficient for installation; no special installation tool is included. Verify compatibility with your specific Buick Achieva, Chevrolet Malibu, or Pontiac Sunfire model before installation.

Quality Assurance and Warranty

Motorad UltraStat thermostats are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliability in engine cooling applications.