Motorad 239-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select GM and Suzuki Models

The Motorad Standard 239-180 engine coolant thermostat is designed to maintain optimal engine temperature for a range of Buick, Chevrolet, Oldsmobile, Pontiac, and Suzuki vehicles. Engineered to open at 180°F, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 1.73 inches
• Height between flanges: 1.05 inches
• Overall height: 1.5 inches
• Flange thickness: 0.05 inches
• Standard type thermostat with jiggle pin weep hole
• Start to open temperature: 180°F
• No gasket or seal included
• Installation tool not included

Detailed Product Description

The Motorad Standard 239-180 thermostat is a standard type engine coolant thermostat designed to regulate coolant flow by opening at a precise temperature of 180 degrees Fahrenheit. Its sealing flange outside diameter of 1.73 inches and flange thickness of 0.05 inches provide a secure fit within the cooling system housing. The height between flanges measures 1.05 inches, with an overall height of 1.5 inches, ensuring compatibility with specified vehicle models. The inclusion of a jiggle pin weep hole allows for air to escape from the cooling system, preventing air locks and promoting consistent coolant circulation. This thermostat does not include a gasket or seal, so it is recommended to source these separately during installation.

Motorad Standard Product Line Overview

The Standard line from Motorad offers dependable, OEM-quality replacement parts designed to meet original equipment specifications. The 239-180 thermostat within this line provides reliable temperature regulation for engine cooling systems, supporting consistent engine performance and longevity across multiple vehicle makes and models.

Compatible Vehicles and Applications

This thermostat is compatible with a variety of Buick, Chevrolet, Oldsmobile, Pontiac, and Suzuki models, including but not limited to:

• Buick 88, 98, LaCrosse, LeSabre, Lucerne, Park Avenue
• Chevrolet Camaro, Impala, Lumina, Monte Carlo
• Oldsmobile Allure, LSS, Intrigue
• Pontiac Bonneville, Firebird, Grand Prix, Grand Prix, Regal, Riviera
• Suzuki Matiz, Metro, Sprint, Swift, Vitara

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Inconsistent coolant flow causing temperature fluctuations
• Air trapped in the cooling system leading to inefficient cooling
• Reduced fuel efficiency from improper engine temperature regulation

Installation Notes and Tips

When installing the Motorad Standard 239-180 thermostat, ensure the cooling system is fully drained and the housing is clean. Since this thermostat does not include a gasket or seal, use a compatible gasket to prevent leaks. The jiggle pin should be positioned at the top to allow air to escape during coolant filling. No special installation tool is included, so standard hand tools are sufficient. Verify proper seating of the thermostat before reassembling the housing.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to industry standards for replacement parts. It is recommended to consult the product packaging or supplier for warranty information.