Motorad 303-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Mazda 929 and MPV

The Motorad Standard 303-180 engine coolant thermostat is designed to maintain optimal engine temperature for Mazda 929 and MPV models. This thermostat ensures precise temperature regulation starting at 180 degrees Fahrenheit, helping to protect your engine from overheating or inefficient cooling.

• Sealing flange outside diameter: 2.52 inches
• Height between flanges: 1.53 inches
• Overall height: 2.19 inches
• Standard type thermostat with O-ring seal
• Includes a rubber gasket for secure sealing
• Bypass diameter: 1.14 inches and bypass length: 1.50 inches
• Flange thickness: 0.05 inches
• Start to open temperature: 180°F
• One seal included, no jiggle pin weep hole

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The 303-180 thermostat is part of this line, providing consistent performance and fitment for Mazda vehicles such as the 929 and MPV. This product line focuses on delivering reliable temperature control with quality sealing materials like rubber gaskets and O-ring seals to ensure leak-free operation.

Detailed Product Description

This engine coolant thermostat from Motorad features a standard design with a 180-degree Fahrenheit opening temperature, suitable for maintaining proper engine operating temperature in Mazda 929 and MPV models. The thermostat includes a sealing flange with a 2.52-inch outside diameter and a height of 2.19 inches, ensuring a precise fit within the cooling system. The included rubber gasket and O-ring seal provide effective sealing to prevent coolant leaks. The bypass diameter of 1.14 inches and length of 1.50 inches allow for proper coolant flow during engine warm-up phases. The absence of a jiggle pin weep hole indicates a straightforward design focused on reliable temperature regulation.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Coolant leaks around the thermostat housing
• Erratic engine temperature fluctuations
• Reduced fuel efficiency caused by improper engine temperature

Installation Notes and Tips

Ensure the engine is cool before removing the old thermostat to avoid burns. Clean the thermostat housing surface thoroughly before installing the new Motorad Standard 303-180 thermostat. Verify the O-ring and rubber gasket are properly seated to prevent leaks. No special installation tools are included, so use appropriate hand tools and follow Mazda 929 or MPV service manual instructions for torque specifications. Double-check coolant levels and system pressure after installation.

Quality Assurance and Warranty

The Motorad Standard 303-180 thermostat is manufactured to meet industry standards for durability and performance. It includes a high-quality 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 strict quality control processes to support reliable engine cooling system function.