Motorad 5328-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Acura and Honda Vehicles

The Motorad UltraStat 5328-170 engine coolant thermostat is designed to maintain optimal engine temperature for Acura and Honda models including Accord, Civic, CR-V, and more. Engineered to open at 170 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.05 inches
• Bypass diameter: 1.09 inches
• Bypass length: 1.41 inches
• Flange thickness: 0.05 inches
• Includes jiggle pin weep hole for air bleeding
• Temperature rating: 170°F
• No gasket or seal included
• No installation tool included

Detailed Features of the Motorad UltraStat 5328-170 Thermostat

This engine coolant thermostat features a precise 170°F opening temperature, suitable for maintaining proper engine operating temperature in Acura and Honda vehicles such as the Civic, CR-Z, and Odyssey. The 2.05-inch sealing flange outside diameter ensures a secure fit within the cooling system housing. The built-in jiggle pin weep hole allows trapped air to escape, preventing air pockets that can cause overheating. The bypass diameter of 1.09 inches and bypass length of 1.41 inches facilitate controlled coolant circulation during warm-up phases. The flange thickness of 0.05 inches contributes to a proper seal and fitment within the thermostat housing.

About the UltraStat Product Line

The UltraStat line by Motorad focuses on precision-engineered thermostats designed for reliable temperature regulation in automotive cooling systems. This product line emphasizes consistent opening temperatures and durable construction to support engine efficiency and longevity. The 5328-170 thermostat is part of this line, offering specifications tailored to fit a range of Acura and Honda models.

Compatible Vehicles and Common Applications

• Acura models: ILX, EL, and Prelude
• Honda models: Accord, Civic, Civic del Sol, CR-V, CR-Z, Fit, HR-V, Insight, Odyssey
• Helps resolve engine overheating due to stuck closed thermostat
• Prevents poor engine warm-up from stuck open thermostat
• Addresses coolant flow issues caused by thermostat bypass malfunction
• Supports stable engine temperature for improved fuel efficiency

Installation Notes and Tips

Installation of the Motorad UltraStat 5328-170 thermostat requires removal of the existing thermostat housing. Note that this part does not include a gasket or seal, so a compatible gasket should be sourced separately. No installation tool is included, so appropriate hand tools are necessary. Ensure the jiggle pin weep hole is oriented correctly to allow air bleeding during installation. Verify the sealing flange diameter matches the housing for a proper fit.

Quality Assurance and Warranty

Motorad manufactures the UltraStat 5328-170 thermostat to meet OEM specifications for fit and function. While specific warranty details are not provided, Motorad products typically undergo quality control testing to ensure durability and reliable performance in Acura and Honda cooling systems.