Motorad 265-195 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for GM Vehicles

The Motorad Standard 265-195 engine coolant thermostat is designed to maintain optimal engine temperature for a range of Cadillac, Chevrolet, and GMC models. Engineered to open at 195°F, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.12 inches
• Height between flanges: 1.53 inches
• Standard type thermostat with jiggle pin weep hole
• Includes rubber O-ring gasket for secure sealing
• Bypass diameter of 1.09 inches and bypass length of 1.37 inches
• Flange thickness: 0.06 inches
• Start to open temperature: 195°F
• Compatible with multiple GM trucks and SUVs

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. This product line focuses on delivering consistent performance and fitment for a variety of applications, including the 265-195 thermostat, which is engineered to provide reliable temperature regulation for GM vehicles.

Product Details and Specifications

The Motorad Standard 265-195 engine coolant thermostat features a precise opening temperature of 195 degrees Fahrenheit, ensuring your engine reaches and maintains optimal operating temperature. The thermostat includes a jiggle pin weep hole to allow air to escape from the cooling system, preventing air locks. The sealing flange measures 2.12 inches in diameter, with a height between flanges of 1.53 inches and an overall height of 2.18 inches. The included rubber O-ring gasket provides a secure seal to prevent coolant leaks. The bypass diameter and length are 1.09 inches and 1.37 inches respectively, allowing proper coolant circulation during warm-up. Flange thickness is 0.06 inches, contributing to a precise fit in the housing.

Compatible Vehicles and Applications

• Cadillac Escalade
• Chevrolet Silverado, Blazer, Tahoe, Suburban, S10, Astro, Express 1500/2500/3500
• GMC Sierra (C1500, C2500, C3500), Jimmy, Safari, Savana 1500/2500/3500, Yukon

This thermostat is designed specifically for these GM models, ensuring proper fit and function when replacing the engine coolant thermostat.

Common Issues Addressed by This Thermostat

• Engine overheating due to stuck-closed thermostat
• Poor heater performance from improper coolant flow
• Coolant leaks caused by worn or damaged seals
• Engine running too cool, affecting fuel efficiency
• Air trapped in cooling system causing hot spots

Installation Notes and Tips

Installation requires removal of the old thermostat and housing. Ensure the sealing surfaces are clean and free of debris before installing the new thermostat. The included rubber O-ring gasket should be properly seated to prevent leaks. No special installation tool is included, so use appropriate hand tools and follow vehicle-specific service manual instructions. Verify the jiggle pin is oriented correctly to allow air to escape during system fill.

Quality Assurance and Warranty

The Motorad Standard 265-195 thermostat is manufactured to meet OEM standards for durability and performance. It includes a rubber gasket for reliable sealing and is tested for proper opening temperature. While specific warranty details are not provided, Motorad products typically adhere to industry quality controls to ensure consistent operation in compatible Cadillac, Chevrolet, and GMC vehicles.