Motorad 2026-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Cadillac Models

The Motorad High Flow 2026-180 engine coolant thermostat is designed to maintain optimal engine temperature for Cadillac vehicles including Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville models. Engineered to open at 180 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.12 inches
• Bypass diameter: 0.93 inches
• Bypass length: 1.04 inches
• Flange thickness: 0.06 inches
• Includes jiggle pin weep hole for air bleeding
• Temperature rating: 180°F
• No gasket or seal included

About the Motorad High Flow Product Line

The High Flow line from Motorad focuses on thermostats designed to optimize coolant circulation and temperature regulation. This product line emphasizes precise temperature control and reliable flow characteristics, making it suitable for Cadillac models that require consistent engine cooling performance. The 2026-180 thermostat is part of this line, engineered to meet specific OEM specifications for temperature and bypass dimensions.

Detailed Product Description

The Motorad 2026-180 thermostat features a sealing flange with an outside diameter of 2.12 inches, ensuring a secure fit within the cooling system housing. Its bypass diameter of 0.93 inches and bypass length of 1.04 inches allow for controlled coolant flow during engine warm-up phases. The flange thickness of 0.06 inches contributes to proper sealing and installation stability. Additionally, the thermostat includes a jiggle pin weep hole, which facilitates air bleeding from the cooling system to prevent air pockets and improve coolant circulation. This thermostat is calibrated to open at 180 degrees Fahrenheit, maintaining optimal engine operating temperature for Cadillac Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville vehicles.

Common Applications and Issues Addressed

• Regulates engine temperature to prevent overheating
• Ensures proper coolant flow during engine warm-up
• Prevents coolant bypass issues that can cause inefficient cooling
• Helps avoid air pockets in the cooling system with jiggle pin weep hole
• Maintains engine efficiency and reduces wear caused by temperature fluctuations

Installation Notes and Tips

When installing the Motorad 2026-180 thermostat, ensure the sealing flange aligns correctly with the housing to prevent leaks. Note that this part does not include a gasket or seal, so a compatible gasket should be sourced separately. The jiggle pin weep hole should be positioned at the highest point to allow proper air venting. Verify the thermostat opens at 180°F to match engine specifications for Cadillac Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville models.

Quality Assurance

Motorad thermostats are manufactured to meet strict quality standards for durability and performance. The 2026-180 thermostat undergoes rigorous testing to ensure accurate temperature response and reliable operation within the cooling system. While no specific warranty information is provided, Motorad products are known for consistent quality in automotive cooling components.