Motorad 298-192 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Lexus, Toyota, and More

The Motorad Standard 298-192 engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Lexus, Toyota, Mitsubishi, and Scion models. Engineered to open at 192 degrees Fahrenheit, this thermostat helps regulate coolant flow and ensures efficient engine performance.

• Sealing flange outside diameter: 2.2 inches
• Bypass diameter: 1.09 inches
• Bypass length: 1.34 inches
• Flange thickness: 0.05 inches
• Includes jiggle pin weep hole for pressure relief
• Temperature rating: 192°F
• Gasket or seal not included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet original equipment specifications. The Standard engine coolant thermostat 298-192 provides consistent temperature control and durability, making it suitable for routine maintenance and repair on compatible vehicles.

Product Details and Specifications

This engine coolant thermostat features a 2.2-inch sealing flange outside diameter and a precise 192°F opening temperature to ensure proper coolant flow. The built-in jiggle pin weep hole allows trapped air to escape, preventing overheating and maintaining system pressure. The bypass diameter of 1.09 inches and bypass length of 1.34 inches support efficient coolant circulation during engine warm-up. With a flange thickness of 0.05 inches, this thermostat fits securely within the housing for reliable sealing.

Compatible Vehicles and Applications

• Compatible with Lexus models such as GS300, IS300, and SC300
• Fits Toyota vehicles including 4Runner, Tacoma, Prius, Supra, and Hiace
• Suitable for Mitsubishi Lancer, Outlander, and T100
• Works with Scion xA and xB models
• Also compatible with Toyota Echo, Hilux, Previa, and Yaris

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Coolant flow restriction causing temperature fluctuations
• Pressure build-up in the cooling system
• Inconsistent engine temperature regulation

Installation Notes and Tips

Ensure the thermostat housing is clean and free of debris before installation. This part does not include a gasket or seal, so use the appropriate gasket or sealant recommended for your vehicle. Verify the jiggle pin weep hole is unobstructed to allow proper air release. Follow vehicle-specific torque specifications when securing the thermostat housing.

Quality Assurance and Warranty

The Motorad Standard 298-192 thermostat is manufactured to meet OEM standards for fit and function. While no specific warranty information is provided, Motorad products typically undergo quality control testing to ensure reliability and durability in automotive cooling systems.