Motorad 7339-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select GM Vehicles

The Motorad Fail-Safe 7339-180 engine coolant thermostat is designed to maintain optimal engine temperature for Buick, Cadillac, Oldsmobile, and Pontiac models. This thermostat ensures precise temperature regulation at 180 degrees Fahrenheit, supporting efficient engine performance and longevity.

• Sealing flange outside diameter: 2.11 inches for secure fitment
• Includes a rubber gasket/seal for reliable sealing
• Jiggle pin weep hole to prevent air lock and ensure coolant flow
• Bypass diameter of 1.38 inches and bypass length of 1.58 inches for proper coolant circulation
• Flange thickness of 0.05 inches for durability and fit
• Single seal design with high-quality rubber material
• Temperature rating of 180°F for consistent engine temperature control

About the Motorad Fail-Safe Product Line

The Fail-Safe line from Motorad focuses on delivering dependable engine cooling components engineered to meet or exceed OEM specifications. This product line emphasizes durability and precise temperature control, making it suitable for critical engine management systems in various GM vehicles. The 7339-180 thermostat is part of this line, ensuring consistent performance under demanding conditions.

Detailed Product Description

The Motorad Fail-Safe 7339-180 engine coolant thermostat is engineered with a 2.11-inch sealing flange outside diameter to provide a secure and leak-resistant fit. It includes a rubber gasket to enhance sealing integrity and prevent coolant leaks. The jiggle pin weep hole design helps eliminate air pockets in the cooling system, promoting smooth coolant flow and preventing overheating. With a bypass diameter of 1.38 inches and a bypass length of 1.58 inches, this thermostat supports proper coolant circulation during engine warm-up and operation. The flange thickness of 0.05 inches adds to the part's structural stability. Rated for 180 degrees Fahrenheit, this thermostat maintains the engine within the optimal temperature range for Buick Allante, Cadillac DeVille, and Pontiac Bonneville models, among others.

Compatible Vehicles and Common Applications

• Buick Allante and Lucerne engine temperature regulation
• Cadillac DeVille, DTS, Eldorado, Seville, SRX, STS, and XLR cooling system management
• Oldsmobile Aurora and Pontiac Bonneville thermostat replacement
• Helps resolve engine overheating and inconsistent temperature issues
• Prevents coolant leaks and improves engine warm-up times

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the gasket is properly seated to avoid leaks. The jiggle pin weep hole should be oriented correctly to allow air to escape from the cooling system. Always replace the gasket/seal when installing the thermostat to maintain a proper seal.

Quality Assurance and Warranty

Motorad's Fail-Safe thermostats are manufactured to meet strict quality standards, ensuring reliable operation and durability. The 7339-180 thermostat includes a rubber gasket for enhanced sealing performance. While specific warranty details are not provided, Motorad products typically adhere to industry standards for quality and reliability.