Motorad 762-189 Engine Coolant Thermostat - Lower

Reliable Engine Coolant Thermostat for Mitsubishi, Subaru, Scion, and Toyota

The Motorad Standard 762-189 engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Mitsubishi Lancer, Subaru Forester, Scion FR-S, and Toyota 86. This thermostat ensures precise temperature regulation starting at 189°F, helping to improve engine efficiency and prevent overheating.

• Sealing flange outside diameter: 2.21 inches
• Height between flanges: 1.5 inches
• Overall height: 2.14 inches
• Standard type thermostat with jiggle pin weep hole
• Includes a rubber O-ring gasket for secure sealing
• Bypass diameter: 1.14 inches and bypass length: 1.42 inches
• Flange thickness: 0.05 inches
• Start to open temperature: 189°F
• Compatible with multiple Mitsubishi, Subaru, Scion, and Toyota models

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The 762-189 thermostat is part of this line, providing consistent performance and fitment for various vehicle makes and models. This product line focuses on delivering reliable temperature control with quality sealing features such as the included rubber O-ring gasket and jiggle pin weep hole to prevent air locks and ensure smooth coolant flow.

Product Details and Specifications

This engine coolant thermostat features a sealing flange outside diameter of 2.21 inches and a height between flanges of 1.5 inches, ensuring proper fitment within the cooling system. The thermostat opens at 189 degrees Fahrenheit, which is critical for maintaining the engine’s optimal operating temperature. The jiggle pin weep hole allows trapped air to escape, reducing the risk of overheating. The included rubber O-ring gasket provides a secure seal to prevent coolant leaks. The bypass diameter and length (1.14 inches and 1.42 inches respectively) support proper coolant circulation during thermostat operation.

Common Applications and Issues Addressed

• Maintains proper engine temperature for Mitsubishi Lancer, Outlander, and RVR models
• Prevents engine overheating in Subaru Forester, Impreza, and Crosstrek vehicles
• Ensures efficient coolant flow in Scion FR-S and Toyota 86 sports cars
• Replaces faulty or stuck thermostats causing poor engine performance
• Eliminates coolant leaks with reliable rubber O-ring seal

Installation Notes and Tips

When installing the Motorad Standard 762-189 thermostat, ensure the sealing surfaces are clean and free of debris to achieve a proper seal with the included rubber gasket. The jiggle pin should be positioned correctly to allow air to escape during the cooling system fill. No special installation tools are included, so use appropriate hand tools and follow vehicle-specific service manuals for torque specifications and procedures.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet or exceed OEM standards for durability and performance. The 762-189 thermostat includes a high-quality rubber O-ring seal to prevent leaks and ensure long service life. While specific warranty details are not provided, Motorad products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Mitsubishi, Subaru, Scion, and Toyota vehicles.