Dorman 902-5991 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly for Isuzu and Suzuki

The Dorman 902-5991 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Isuzu and Suzuki vehicles. This assembly includes a thermostat calibrated to open at 198°F, ensuring efficient coolant flow and engine performance.

• Constructed from durable aluminum with a natural finish
• Includes thermostat and gasket for a complete installation
• Designed with two outlet ports and two mounting holes for secure fitment
• Flange dimensions: 3.36 inches length, 1.6 inches width, and 1.6 inches thickness
• Compatible with Isuzu Amigo, Suzuki Forenza, Rodeo, and Rodeo Sport models

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is made from aluminum, providing corrosion resistance and long-lasting durability. The natural color finish complements the engine bay without requiring additional coating. The assembly includes a thermostat that opens at 198 degrees Fahrenheit, helping regulate engine temperature effectively. The package contains one thermostat housing, one thermostat, and one gasket, ensuring a proper seal and preventing coolant leaks. The housing features two outlet ports and two mounting holes spaced 3.2 inches apart center to center, designed for precise fitment on compatible vehicles.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with the following vehicles:

• Isuzu Amigo
• Suzuki Forenza
• Suzuki Rodeo
• Suzuki Rodeo Sport

It is an essential component for maintaining proper engine temperature and preventing overheating or inefficient cooling in these models.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or warped housing
• Poor engine temperature regulation causing reduced performance
• Corrosion or cracking in original thermostat housing
• Inadequate sealing leading to coolant loss

Installation Notes and Tips

Installation requires removal of the old thermostat housing and careful cleaning of the mounting surface. The included gasket should be properly seated to ensure a leak-free seal. Note that mounting hardware is not included, so original bolts should be reused or replaced as needed. Verify the bolt hole spacing of 3.2 inches center to center for compatibility. It is recommended to replace the thermostat housing assembly when performing cooling system maintenance to ensure reliable operation.

Quality Assurance and Warranty

Dorman provides this thermostat housing assembly with a regular grade type construction, meeting OEM standards for fit and function. The inclusion of a thermostat and gasket ensures a complete replacement part. While specific warranty details are not provided, Dorman parts typically come with a limited warranty covering defects in materials and workmanship.