Motorad 4057-85 Engine Coolant Thermostat - Passenger Side

Reliable Engine Cooling with Motorad Heavy Duty Thermostat 4057-85

The Motorad Heavy Duty Thermostat 4057-85 is engineered to maintain optimal engine temperature for a variety of vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures consistent performance at a precise 185°F opening temperature.

• Heavy Duty Thermostat from Motorad's trusted product line
• Engine coolant thermostat with a 2.21 inch flange diameter
• Constructed from stainless steel and copper for durability
• Includes gasket and jiggle pin with weep hole for proper coolant flow
• Height of 1.67 inches for accurate fitment
• Opens at 185°F to regulate engine temperature effectively

Product Details and Specifications

The Motorad Heavy Duty Thermostat 4057-85 is designed to open at 185 degrees Fahrenheit, ensuring your engine reaches and maintains the correct operating temperature. Its stainless steel and copper construction provides resistance to corrosion and long service life. The included gasket helps create a secure seal, while the jiggle pin and weep hole facilitate air bleeding and coolant circulation during engine warm-up. With a flange diameter of 2.21 inches and a height of 1.67 inches, this thermostat fits specific engine cooling systems requiring these dimensions.

Applications and Common Issues Addressed

• Regulates engine temperature to prevent overheating
• Prevents engine coolant leaks with included gasket
• Helps avoid engine performance issues caused by improper thermostat operation
• Supports efficient coolant flow during engine warm-up with jiggle pin and weep hole
• Compatible with vehicles requiring a 185°F thermostat with 2.21 inch flange diameter

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model, focusing on the required thermostat flange diameter and opening temperature. The Motorad 4057-85 does not include bolts or installation hardware, so ensure you have the necessary tools and fasteners. The included gasket should be properly seated to prevent leaks. The jiggle pin and weep hole assist in bleeding air from the cooling system during installation.

Quality Assurance and Warranty

Motorad’s Heavy Duty Thermostat line is manufactured to meet industry standards for durability and performance. The 4057-85 thermostat is built with corrosion-resistant materials to provide reliable engine temperature regulation. Warranty information is available through Motorad and should be confirmed at the time of purchase.