Motorad 265-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select GM and Saab Models

The Motorad Standard 265-170 engine coolant thermostat is designed to maintain optimal engine temperature for a range of Cadillac, Chevrolet, GMC, and Saab vehicles. Engineered to precise specifications, this thermostat ensures efficient coolant flow and temperature regulation at 170 degrees Fahrenheit.

• Sealing flange outside diameter: 2.12 inches
• Includes a rubber gasket for secure sealing
• Jiggle pin weep hole for air bleeding
• Bypass diameter of 1.09 inches and bypass length of 1.37 inches
• Flange thickness of 0.06 inches
• Single rubber seal included
• Temperature rating: 170°F

Product Details and Specifications

This Motorad Standard engine coolant thermostat (part number 265-170) features a sealing flange with an outside diameter of 2.12 inches, ensuring a proper fit and seal within the cooling system. The included rubber gasket provides a reliable seal to prevent leaks. The thermostat incorporates a jiggle pin weep hole, which allows trapped air to escape, promoting efficient coolant circulation and preventing overheating. The bypass diameter measures 1.09 inches with a bypass length of 1.37 inches, facilitating controlled coolant flow when the thermostat is closed. The flange thickness is 0.06 inches, contributing to a secure installation. This thermostat is calibrated to open at 170 degrees Fahrenheit, maintaining optimal engine operating temperature.

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet original equipment specifications. This product line focuses on delivering consistent performance and fitment for a variety of vehicles, including the engine coolant thermostat 265-170, which is engineered to provide reliable temperature regulation and sealing for compatible GM and Saab models.

Compatible Vehicles and Common Applications

• Cadillac Escalade, Yukon
• Chevrolet Silverado, Tahoe, Blazer, Astro, S10, Express 1500/2500/3500
• GMC Sierra (C1500, C2500, C3500), Jimmy, Safari, Savana 1500/2500/3500
• Saab 9-3, 9-5, 900, 9000

Issues This Thermostat Addresses

• Engine overheating due to thermostat failure
• Coolant leaks from worn or damaged seals
• Poor engine temperature regulation causing inefficient performance
• Air trapped in the cooling system affecting coolant flow
• Inconsistent engine warm-up times

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Remove the old thermostat and clean the housing surface thoroughly to prevent leaks. Replace the gasket with the included rubber seal to maintain a proper seal. Verify the jiggle pin weep hole is unobstructed to allow air to escape during operation. No special installation tools are included, so use appropriate hand tools and follow vehicle-specific service manual instructions for torque specifications.

Quality Assurance and Warranty

The Motorad Standard 265-170 thermostat is manufactured to meet or exceed OEM standards for fit and function. It includes a single rubber seal designed for durability and leak prevention. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliable performance in compatible Cadillac, Chevrolet, GMC, and Saab vehicles.