Motorad 338-195 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Lincoln Mark VIII

The Motorad Standard 338-195 engine coolant thermostat is designed specifically for the Lincoln Mark VIII. This thermostat ensures precise temperature regulation to maintain optimal engine performance and prevent overheating.

• Sealing flange outside diameter: 2.13 inches
• Height between flanges: 1.57 inches
• Overall height: 2.24 inches
• Standard type thermostat with jiggle pin weep hole
• Start to open temperature: 187°F
• Bypass diameter: 1.18 inches, bypass length: 1.58 inches
• Flange thickness: 0.05 inches
• No gasket or seal included
• Installation tool not included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The Standard series focuses on delivering consistent performance and fitment, making it a suitable choice for replacement parts like the 338-195 thermostat for the Lincoln Mark VIII.

Detailed Product Description

This Motorad Standard 338-195 engine coolant thermostat is engineered to regulate coolant flow by opening at 187 degrees Fahrenheit, ensuring the engine reaches and maintains the correct operating temperature. The thermostat features a jiggle pin weep hole to allow air to escape from the cooling system, reducing the risk of air pockets that can cause overheating. Its sealing flange outside diameter of 2.13 inches and flange thickness of 0.05 inches provide a secure fit within the housing. The bypass diameter and length (1.18 inches and 1.58 inches respectively) facilitate proper coolant circulation during warm-up phases. This thermostat does not include a gasket or seal, so ensure to source these separately if needed.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Inconsistent engine temperature regulation
• Coolant flow blockage or restriction
• Air trapped in the cooling system causing hot spots
• Delayed engine warm-up times

Installation Notes and Tips

Before installation, verify compatibility with your Lincoln Mark VIII. The Motorad 338-195 thermostat requires no special installation tools, but careful handling is recommended to avoid damage to the sealing flange. Since this part does not include a gasket or seal, use a new gasket to ensure a proper seal and prevent leaks. Always drain the coolant system before removal and refill with the appropriate coolant after installation.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to OEM quality requirements, ensuring reliable operation when installed correctly.